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The Association between Public Transportation and Social Isolation in Older Adults: A Scoping Review of the Literature

Published online by Cambridge University Press:  22 July 2019

Madeline Lamanna*
Affiliation:
Health Studies Department, University College, University of Toronto, Toronto, Ontario.
Christopher A. Klinger
Affiliation:
Institute for Life Course and Aging, Factor-Inwentash Faculty of Social Work, University of Toronto, Toronto, Ontario. National Initiative for the Care of the Elderly, Toronto, Ontario.
Anna Liu
Affiliation:
National Initiative for the Care of the Elderly, Toronto, Ontario.
Raza M. Mirza
Affiliation:
Institute for Life Course and Aging, Factor-Inwentash Faculty of Social Work, University of Toronto, Toronto, Ontario. National Initiative for the Care of the Elderly, Toronto, Ontario.
*
La correspondance et les demandes de tire-à-part doivent être adressées à : / Correspondence and requests for offprints should be sent to: Madeline Lamanna, B.Sc. Health Studies Department University College University of Toronto 15 King’s College Circle Toronto, Ontario, M5S 3H7 Canada (madeline.lamanna@mail.utoronto.ca)
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Abstract

Inadequate public transportation was recognized as a barrier to social participation, especially for older adults in rural communities and with mobility issues. Older adults will not benefit from opportunities to engage with their community and maintain social networks if they are unable to access them. The purpose of this scoping review was to make recommendations for further research and to summarize areas for improvement identified in the literature that will aid in the development of public transportation initiatives that can better address social isolation for older adults (≥ 55 years of age). Nineteen articles met the inclusion criteria, identifying themes of access to rural public transportation, issues with public transportation, and mobility. In practice, older adults need to prepare for driving cessation and mobility transitions; sound policy requires input to tailor transportation initiatives to an aging population, and future research should explore older adults’ transportation needs and potential solutions in urban and rural communities.

Résumé

RÉSUMÉ

Le manque de transports en commun adéquats a été identifié comme un frein à la participation sociale, en particulier chez les adultes plus âgés vivant en communautés rurales et pour ceux ayant des problèmes de mobilité. Les personnes âgées ne peuvent profiter des occasions d’engagement offertes dans leur communauté ou maintenir des réseaux sociaux si elles ne peuvent y avoir accès. L’objectif de cette revue de littérature était de formuler des recommandations pour d’éventuelles recherches et de présenter les domaines où des améliorations sont nécessaires, selon ce qui a été rapporté dans la littérature, afin d’appuyer le développement d’initiatives de transport public contribuant à diminuer l’isolement social des adultes plus âgés (55 ans et plus). Les critères d’inclusion ont permis de sélectionner dix-neuf articles abordant les thèmes de l’accès aux transports publics ruraux, les défis du transport public et la mobilité. Dans la pratique, les aînés doivent se préparer aux transitions associées au fait de ne plus pouvoir conduire et aux pertes de mobilité. L’élaboration de politiques adéquates nécessite des consultations en vue de créer des initiatives de transport adaptées à la population vieillissante. De plus amples recherches devraient être menées pour explorer les besoins des personnes âgées en matière de transport et identifier de possibles solutions dans les communautés urbaines et rurales.

Type
Article
Copyright
© Canadian Association on Gerontology 2019

Introduction

Older adults are at an increased risk for social isolation, which is indicated by a decrease in the size of one’s social network, a lack of engagement with others, and a smaller number of social contacts who provide physical, social, and emotional support (Cloutier-Fisher, Kobayashi, & Smith, Reference Cloutier-Fisher, Kobayashi and Smith2011; Coyle & Dugan, Reference Coyle and Dugan2012; Nicholson, Reference Nicholson2009). Older adults often experience diminishing social networks and a lack of engagement because of higher rates of disability and disease, mobility issues, and life transitions, such as retirement and death of spouses, family members, and friends (Coyle & Dugan, Reference Coyle and Dugan2012; Nicholson, Reference Nicholson2012). In turn, social isolation puts older adults at an increased risk for heart disease (Boden-Albala, Litwak, Elkind, Rundek, & Sacco, Reference Boden-Albala, Litwak, Elkind, Rundek and Sacco2005), cognitive decline (Béland, Zunzunegui, Alvarado, Otero, & del Ser, Reference Béland, Zunzunegui, Alvarado, Otero and del Ser2005), and dementia (Fratiglioni, Wang, Ericsson, Maytan, & Windblad, Reference Fratiglioni, Wang, Ericsson, Maytan and Windblad2000).

These life changes, and risk of isolation, are sometimes exacerbated by challenges not only related to mobility, but also to accessibility with respect to modes of transportation. Existing literature often discusses public transportation in relation to older adults experiencing driving cessation, which led to their reliance on other modes of transportation to maintain their lifestyle and social engagement (Curl, Stowe, Cooney, & Proulx, Reference Curl, Stowe, Cooney and Proulx2014Footnote 1). When older adults were often reluctant to give up driving, it was because they viewed it as a loss of independence and autonomy (Adler & Rottunda, Reference Adler and Rottunda2006; Liddle & McKenna, Reference Liddle and McKenna2003), therefore leading to feelings of depression (Chihuri et al., Reference Chihuri, Mielenz, DiMaggio, Betz, DiGuiseppi and Jones2016; Ragland, Satariano, & MacLeod, Reference Ragland, Satariano and MacLeod2005) or to feeling that they were a burden to family and/or friends (Adler & Rottunda, Reference Adler and Rottunda2006; Davey, Reference Davey2007). Older adults also experienced numerous barriers to using public transportation such as lack of accessibility, affordability, frequency, and reliability; existing literature discussed these barriers and the improvements that need to be made to public transportation (Adler & Rottunda, Reference Adler and Rottunda2006; Bryanton, Weeks, & Lees, Reference Bryanton, Weeks and Lees2010Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Nordbakke & Schwanen, Reference Nordbakke and Schwanen2015; World Health Organization , 2007).

In addition, the World Health Organization’s (WHO) Age-Friendly Community and City (AFC) movement has successfully promoted healthy aging and has enhanced quality of life by providing a framework to reduce social isolation and loneliness (World Health Organization, 2007). Participating cities/communities adapted to meet the physical and social needs of older adults by addressing the WHO’s eight AFC dimensions: outdoor spaces and buildings, transportation, housing, respect and inclusion, social participation, civic participation and employment, communication and information, and community supports and health services (World Health Organization, 2007). AFCs have provided older adults with opportunities to volunteer, engage with their communities, and participate in activities that facilitate meaningful social connections, thereby reducing social isolation (Emlet & Moceri, Reference Emlet and Moceri2012). Furthermore, the WHO (2007) recognized transportation as a key factor that may underscore an older adult’s ability to participate in social and civic activities and health care.

Despite discussion of the use of public transportation after driving cessation, issues with public transportation that impact older adults, and research such as that by the WHO that addressed social isolation, there was a lack of information about how public transportation is associated with social isolation (Adler & Rottunda, Reference Adler and Rottunda2006; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Liddle & McKenna, Reference Liddle and McKenna2003; Nordbakke & Schwanen, Reference Nordbakke and Schwanen2015; World Health Organization, 2007). For example, the scoping review that was conducted by Levasseur et al. (2015 1) looked at elements of the built environment (including public transportation) and social participation. Levasseur et al. (2015 1) found that inadequate public transportation was one of many factors that hindered social participation; however, the present scoping review looked at public transportation alone and how it is associated with social isolation. From the point of view of the public transportation literature, transportation initiatives are often not examined in relation to social isolation. Similarly, in social isolation literature, public transportation is often considered part of the built environment or considered alongside other types of transportation. Therefore, this research provided a starting point for the development of public transportation initiatives that can directly address social isolation.

The purpose of this scoping review was to gain an understanding of how public transportation is associated with social isolation and to provide recommendations for how social isolation can be considered when designing and implementing public transportation initiatives. The aim was to identify broad recommendations that can be applied and tailored to the unique needs of communities locally, nationally, and across the globe. The results of this scoping review provide specific practice, policy, and research recommendations for public transportation initiatives that address social isolation in older adults.

Methods

This research project used a scoping review approach to summarize existing literature and research findings, to identify gaps that exist in the literature, and to disseminate research, policy, and practice implications from the literature (Arksey & O’Malley, Reference Arksey and O’Malley2005; Levac, Colquhoun, & O’Brien, Reference Levac, Colquhoun and O’Brien2010). The existing literature on this topic was reviewed using Arksey and O’Malley’s (Reference Arksey and O’Malley2005) five-step methodological framework for conducting a scoping review: identifying the research question; identifying relevant studies; study selection; charting the data; and collating, summarizing, and reporting results. The optional sixth stage (Arksey & O’Malley, Reference Arksey and O’Malley2005), which involves consultation with an expert panel to provide additional insight into the development of the research question and to assist with the understanding of the research findings, was not used, because of time constraints.

Stage 1: Identifying the Research Question

The research question that was explored in this scoping review was: What is the association between public transportation and social isolation for older adults (≥ 55 years of age)? This question evolved following a preliminary search of the literature. To address the specific gap in the existing literature, public transportation, as opposed to personal transportation, was the focus of this scoping review. As Nicholson (Reference Nicholson2009) concluded, social isolation is a concept that encompasses a variety of definitions, and many factors can be used to measure it. However, social isolation generally includes characteristics such as a lack of belonging, social engagement, social contacts, and fulfilling and meaningful relationships (Nicholson, Reference Nicholson2009). Therefore, various terms were used in place of “social isolation”, such as “social integration”, “social networks”, and “social engagement” (Nicholson, Reference Nicholson2009). The goal of a scoping review is to gain a broad understanding of all the available literature related to a topic; therefore, there were various search terms used to gain a full representation of the term “social isolation” (Arksey & O’Malley, Reference Arksey and O’Malley2005). No weighing of the evidence was performed to allow for a broader view. The final search terms and the search strings used for each database can be found in Appendix 1.

Stage 2: Identifying Relevant Studies

Both peer-reviewed and grey literature databases were included in the literature search to locate a wide variety of articles to be used in the scoping review. The eight peer-reviewed databases consisted of: Ageline, ASSIA: Applied Social Sciences Index and Abstracts, Compendex, GEOBASE, Social Sciences Abstracts, Social Services Abstracts, Social Work Abstracts, and Transport Database. The three grey literature sources were articles available on the Health Canada Web site and on ProQuest Dissertations & Theses Global, and a custom Google search of Canadian government documents. The flow chart of the articles included in the scoping review by database can be found in Appendix 2.

Stage 3: Study Selection

Two reviewers (M.L., A.L.) worked separately to screen the titles and abstracts after using the search terms to find articles in the peer-reviewed and grey literature databases. The reviewers applied the inclusion and exclusion criteria (see the next section) to determine the final articles used in the scoping review. Then, two reviewers working together (R.M.M., C.A.K.) were prepared to resolve any disagreement between the first and second reviewers about the selection of the final articles. The first and second reviewer met to discuss any differences of opinion and came to an agreement about the final articles; therefore, the third reviewers did not need to resolve any discrepancies.

Inclusion and Exclusion Criteria

The inclusion criteria consisted of articles discussing participants ≥ 55 years of age of any gender, race, and/or ethnicity; peer-reviewed and grey literature articles; studies located in any country; and studies focused on public transportation and factors such as social isolation, social participation, and social engagement. The ≥ 55 year age range was chosen to define the population of older adults based on the preliminary searches of the literature, which demonstrated that this age threshold allowed for the broadest scope of relevant articles to be included in the scoping review. Articles from any country and including participants from any ethno-cultural background were eligible because all older adults, regardless of where they live or what their background is, are at risk for social isolation (Cloutier-Fisher et al., Reference Cloutier-Fisher, Kobayashi and Smith2011; Coyle & Dugan, Reference Coyle and Dugan2012; Nicholson, Reference Nicholson2009). Both peer-reviewed and grey literature articles were used to gain a broad understanding of the research available; both dissertations and government documents (from all levels of government) were included in this scoping review. Finally, the last inclusion criterion was for the studies to focus on the association between public transportation and social isolation, to provide an understanding of the available literature relevant to the research question stated previously.

The exclusion criterion consisted of studies not in English. The requirement for the articles to be written in English was because the principal investigator was only fluent in English.

The grey literature articles from the custom Google search of Canadian government documents were sorted by relevance within the section of the Web site that included documents from all levels of government. Then, the titles and text previews were screened for terms related to older adults, public transportation, and/or social isolation. Only articles deemed relevant based on their titles and text previews were included in the final data extraction. This process took place alongside the screening of the peer-reviewed literature’s titles and abstracts. The scoping review articles were identified and selected between October 2017 and December 2017. Please see Appendix 2 for the results of the application of inclusion and exclusion criteria to determine the final articles used in the scoping review.

Stage 4: Charting the Data

Microsoft Excel (Microsoft Corporation, United States of America) was used to chart the data and to summarize the articles that were included in the scoping review. The chart listed: author(s), year of publication, database, journal or grey literature source, location of the study, participants included, methodology used, outcomes and the important results (findings that were relevant to the research question), and key themes. Please see Appendix 3 for the extraction table of the final scoping review articles, organized alphabetically.

Stage 5: Collating, Summarizing, and Reporting Results

Key themes were deduced from the final scoping review articles using thematic content analysis (TCA). TCA is a qualitative analysis methodology in which themes are summarized and compared (Anderson, Reference Anderson2007). The primary investigator (M.L) generated themes. The key themes were listed in the summary chart after each of the final articles was read and themes that described the article were identified (Anderson, Reference Anderson2007). TCA allowed for articles to be grouped based on key themes that were relevant to the research question and the discussion of public transportation issues. Terminology or descriptor words from the articles were used as names for the themes. Finally, implications for practice, policy, and research were determined based on the findings of the articles (Arksey & O’Malley, Reference Arksey and O’Malley2005; Levac et al., Reference Levac, Colquhoun and O’Brien2010). An overview is presented in Appendix 4.

Results

The process for determining the final articles for inclusion in the scoping review is explained subsequently, followed by a description of the articles’ characteristics. Next, results surrounding the articles’ findings toward the association between social isolation and public transportation are discussed to examine how they are relevant to the research question. Finally, themes in the literature are reported before highlighting the themes in depth and discussing how these themes can inform research, policy, and practice recommendations in the Discussion section.

The search strategy of the eight peer-reviewed databases and three grey literature sources resulted in 397 potential articles to be used in the scoping review. After 13 duplicate articles were removed, the titles and abstracts of 384 articles were screened using the inclusion and exclusion criteria. This resulted in 357 articles that did not meet the inclusion criterion for articles to have a focus on public transportation and social isolation (or related factors), and 5 articles that did not meet the inclusion criterion for participants in the studies being ≥ 55 years of age; therefore, these articles were not included in the final scoping review. Furthermore, three articles met the exclusion criterion because they were not written in English; therefore, these articles were also eliminated. A total of 19 articles were included in the scoping review (see Appendix 2 for a depiction of the complete process).

Of the 19 final articles, most were peer-reviewed articles (n = 14), the others were grey literature (n = 5): three were reports by the Government of Canada and two were dissertations. Most of the articles were from the United States of America (n = 9), followed by studies that were from Canada (n = 8); one was from the United States of America and Canada, and one was from various European countries including Finland, Germany, Hungary, Italy, and The Netherlands (see Appendix 3). The methodology used in these articles consisted of quantitative techniques: five studies used a cross-sectional survey/questionnaire (Bittner, Fuchs, Baird, & Smith, Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Chaudhury, Mahmood, Michael, Campo, & Hay, Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; Salazar, Reference Salazar1999Footnote 1) and Geographic Information System (GIS) mapping (Kotval-K, Reference Kotval-K2017Footnote 1), and qualitative techniques: four studies used focus groups (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Mullen, 2005 Footnote 1; Salazar, Reference Salazar1999Footnote 1), five studies used interviews (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1; Mullen, Reference Mullen2005Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), one used a meeting with experts (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1), and one used a photovoice method in which participants took photographs of their environment to visually demonstrate the physical or social barriers or facilitating factors of their neighbourhoods (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1). Six studies used a literature review, which can be classified as a prerequisite to quantitative and/or qualitative studies (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Public Health Agency of Canada, 2010Footnote 1; Salazar, Reference Salazar1999Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1). Additionally, secondary data analysis techniques toward both quantitative (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Curl et al, Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Kim, Reference Kim2011Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1) and qualitative (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1) data were used. Finally, one of the studies was a scoping study itself (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1), one was a research report with recommendations (Community Transportation Association of America, 2007Footnote 1), and the other one was a research article summarizing the results of another study (Klassen & Allen, Reference Klassen and Allen2005Footnote 1). All three of these articles included findings from quantitative and qualitative literature. Please see Appendix 3 for a summary of the studies’ characteristics.

Public Transportation and Social Isolation

All included articles discussed public transportation and social isolation in tandem. Public transportation was often included in a discussion of modes of transportation for older adults (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Kim, Reference Kim2011Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1). Many (n = 9) of the articles discussed the use of public transportation after driving cessation (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp,1972 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Kim, Reference Kim2011Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; Salazar, Reference Salazar1999Footnote 1); in contrast, four of the articles discussed how older adults often relied on other modes of transportation more often than public transportation (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Kim, Reference Kim2011Footnote 1; Salazar, Reference Salazar1999Footnote 1). In fact, Bryanton and colleagues (2010 1) found that public transportation was not used as an alternative method of transportation by any of the study’s participants, and Salazar (1999 1) found that most participants did not use public transportation often and did not plan to use it more often. Conversely, one study suggested that the use of public transportation did not always result from being unable to drive; depending on the season or activity, older adults who can drive choose to use public transportation (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1) instead.

Only six of the articles specifically discussed social isolation (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Mullen, Reference Mullen2005Footnote 1; Public Health Agency of Canada, 2010Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1), but most discussed factors associated with social isolation. Furthermore, one article discussed how social exclusion can be facilitated by public transportation that does not meet the needs the elderly (Community Transportation Association of America, 2007Footnote 1). Of the nineteen final articles, most (n = 14) discussed how transportation, including public transportation, could potentially remove barriers to remaining socially engaged through opportunities for: volunteering and employment (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), recreational and physical activities (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1), social activities (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Mullen, Reference Mullen2005Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), attending community events or accessing community resources (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1), social participation and engagement (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Public Health Agency of Canada, 2010Footnote 1), accessing support systems of family and friends (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Kim, Reference Kim2011Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), participating in programs (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1), and visiting centres for older adults (Kotval-K, Reference Kotval-K2017Footnote 1).

Themes

This scoping review revealed three dominant themes in the literature, which indicated that improvement and/or availability of rural public transportation (n = 10), addressing issues with public transportation (n = 14), and tackling challenges for less mobile older adults (n = 9) would allow them to remain socially engaged and to participate in social and community activities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Kim, Reference Kim2011Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Public Health Agency of Canada, 2010Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1). Further discussion of each of these themes is provided in the next sections.

Rural Public Transportation

Ten of the 19 final articles highlighted the theme of issues with rural public transportation. Discussion of rural/remote communities and public transportation occurred in six of these articles (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Public Health Agency of Canada, 2010Footnote 1), while three of the articles compared rural and urban public transportation (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1), and a comparison between high- and low-density neighbourhoods was made in one article (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1). The concept of neighbourhood density was considered to be relevant because rural communities can be defined by total population, proximity to cities, and/or population density (Statistics Canada, 2008).

Eight articles demonstrated how public transportation was unavailable or more limited in rural communities than in urban communities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1). Therefore, older adults living in rural and/or remote areas were at greater risk for experiencing social isolation as a result of their geographic location, especially if they did not own/no longer owned a car (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Public Health Agency of Canada, 2010Footnote 1). One article found that having access to a car was essential to older adults in rural communities because public transportation did not meet their needs (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1). Older adults who lived in rural areas and could not/no longer drive themselves often experienced social isolation if family or friends were not available to drive them (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). However, family and friends usually only drove older adults to medical appointments or grocery stores, not to social activities (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1).

Public transportation in rural communities was deemed deficient in terms of scheduling (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1), service to recreation and social activities (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1), cost (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1), reliability (Klassen & Allen, Reference Klassen and Allen2005Footnote 1), and walking distance to transit stops (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1). However, one of the most discussed issues was that public transportation was often entirely unavailable in rural areas (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1).

Issues with Public Transportation

Most of the 19 articles (n = 14) raised general issues with public transportation experienced by older adults (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1; Community Transportation Association of America, 2007Footnote 1 Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; Public Health Agency of Canada, 2010Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; Salazar, Reference Salazar1999Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1). These articles discussed issues such as: accessibility (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Community Transportation Association of America, 2007Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; Public Health Agency of Canada, 2010Footnote 1), affordability (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Community Transportation Association of America, 2007Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Public Health Agency of Canada, 2010Footnote 1), frequency (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1), availability (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Community Transportation Association of America, 2007Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1;Public Health Agency of Canada, 2010Footnote 1), efficiency (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Salazar, Reference Salazar1999Footnote 1), adequacy and appropriateness (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; Salazar, Reference Salazar1999Footnote 1), consistency (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1), and convenience (Carp, Reference Carp1972Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Salazar, Reference Salazar1999Footnote 1).

Specifically, older adults wanted public transportation that has information about scheduling and routes available and is easy to use and navigate (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Community Transportation Association of America, 2007Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1). Accessibility was often an issue for older adults; for example, public transit was not available in close proximity to older adults and they had to walk far to access it (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1; Mullen, Reference Mullen2005Footnote 1; Salazar, Reference Salazar1999Footnote 1). Additionally, transit stops were not clearly marked (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1), did not have shelters and/or benches (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Mullen, Reference Mullen2005Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1), or did not have pedestrian crossings near transit stops/stations (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1).

Other general issues identified by older adults included public transit that did not serve entire municipalities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1), had connectivity issues and transfers (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1), and/or was not coordinated among different transportation systems or municipalities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Community Transportation Association of America, 2007Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1). Specific issues that affected older adults included: public transit without options for use outside of peak hours (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Mullen, Reference Mullen2005Footnote 1); public transit that did not provide access to destinations that benefit older adults’ social engagement including social activities, family/friends, recreational activities, religious activities, and community events (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Mullen, Reference Mullen2005Footnote 1; Salazar, Reference Salazar1999Footnote 1); and public transit that was not promoted as a transportation alternative in the community (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1).

Two of the articles found that after driving cessation, older adults’ participation in volunteering, employment, and social engagement became reduced over time (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1). When public transit did not meet the needs of older adults as an alternative form of transportation, they had to find other modes of transportation or they did not attend social events or remain engaged in their community (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1). Two articles stated that poor public transportation that did not meet the needs of older adults can reinforce their social exclusion from the community (Community Transportation Association of America, 2007Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1).

Mobility Issues

The discussion of mobility issues occurred in 9 of the 19 final articles; the older adult age group had a high prevalence of mobility issues (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1).

One article discussed the interaction among mobility issues, transportation, and social networks (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1). The authors found that when older adults experienced reductions in mobility and stopped driving, they were less likely to interact with geographically distant members in their social network. However, the article revealed that older adults might experience more interaction with family and friends who assist them, because these people become the older adults’ mode of transportation (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1).

Five articles discussed public transit as a mechanism that can help older adults with various mobility issues to access or hinder them from accessing resources for social interaction and participation (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1). According to one article, it was critical for public transportation to provide access to recreational programs for older adults, because this age group experienced more mobility issues that created barriers to attending recreational programs (Woldeyohannes, Reference Woldeyohannes2016Footnote 1). Older adults with mobility issues often had to find their own private transportation (e.g., shared-ride public transportation services) to and from social/recreational programs (Klassen & Allen, Reference Klassen and Allen2005Footnote 1). When fixed-route public transportation was not accessible, it created a strain on alternative transportation services (Mullen, Reference Mullen2005Footnote 1). Two articles discussed public transit as a mechanism of transportation that can help these older adults with various mobility issues to access programs/activities and to maintain their independence (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Mullen, Reference Mullen2005Footnote 1). Another article described the different mobility requirements needed to participate in different activities, and found that older adults participated in hobbies, activities, and sports if they were in better health; however, older adults who used public transit, regardless of their mobility level, also participated in more activities outside the home (Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1) in general.

Three articles discussed how transportation could hinder less mobile older adults’ social participation (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1). Physical mobility issues and disabilities limited transportation options for older adults; for example, older adults might not be able to physically board public transit or walk to transit stops and stations (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Mullen, Reference Mullen2005Footnote 1). Similarly, older adults with mobility impairments would not make use of public transit if they did not feel safe or they could not access it easily and safely, even if public transportation was available to them (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1).

The outcome of having access to public transportation for older adults with mobility issues was discussed in two articles (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1). Older adults who experienced mobility issues but had access to public transportation reported fewer barriers to visiting family and/or friends (White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), volunteering (White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), participating in recreational activities (White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), and participating in social activities (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1;White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), and were more mobile (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1) than those without access to public transportation.

Discussion

Public transportation for older adults and reducing the likelihood of older adults’ experiencing social isolation are often discussed as separate issues; therefore, it was not completely unexpected to see few articles explicitly discuss these two topics in relation to one another. Therefore, this scoping review attempted to consolidate research exploring the relationship between public transportation and social isolation, and to provide recommendations for practice, policy, and research.

To be benefiting from the programs, resources, and services that allow them to engage with their community and to build and/or maintain social networks, older adults need to be able to access the resources that have been established for them (World Health Organization, 2007Footnote 1). Older adults were not able to make use of opportunities to establish and maintain their social networks if public transportation did not provide service to recreation or social activities, or enable access to their social contacts (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Kotval-K, Reference Kotval-K2017Footnote 1). Social isolation can subsequently be prevented through the facilitation of social networks, encouraging engagement with others, and offering opportunities for building quality social contacts and connections through social participation (Cloutier-Fisher et al., Reference Cloutier-Fisher, Kobayashi and Smith2011; Coyle & Dugan, Reference Coyle and Dugan2012; Nicholson, Reference Nicholson2009).

Driving Cessation

Older adults felt like a burden when they depended on others to drive them places when they could not drive anymore or chose not to drive (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1). Older adults chose to stop attending social activities because they did not want to trouble their family or friends for a ride because, unlike medical appointments or visiting the grocery store, social activities were not seen as necessary for them to attend (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Mullen, Reference Mullen2005Footnote 1). Older adults began to view social activities as a “want” instead of a “need,” and it became less essential when they needed to rely on others to drive them (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). Similarly, Mullen (2005 1) found that when older adults limited their social participation because of an inability to drive or a choice not to drive, isolation, loss of independence, and the loss of social/recreational activities had a negative impact on their quality of life. Public transit not only affected access to opportunities for socialization and allowed people to maintain contact with society and others, it also increased life satisfaction, self-esteem, and quality of life (Salazar, Reference Salazar1999Footnote 1).

Insufficient Public Transit

This could contribute to social isolation by creating barriers to accessing social networks and remaining socially engaged. There was often a correlation between lack of accessible transportation and feelings of social isolation and loneliness (Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1). For example, barriers were created when services were scheduled in a way that did not serve older adults in off-peak hours (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1), or when it underserved towns/areas/cities or services were completely non-existent, especially in rural communities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1). The Province of Québec in Canada has made progress in resolving issues with access to public transportation in rural municipalities/areas (Gouvernement du Québec, 2010). Québec ensured that resources for private transportation were pooled with those for public transportation to offer transportation that served all communities (Gouvernement du Québec, 2010). Without available or suitable public transportation, rural older adults who could not drive or chose to no longer drive faced further barriers when they did not have someone to drive them, and other services (e.g., taxis) were unavailable or too expensive to use regularly (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1).

Likewise, mobility issues also created further barriers when public transportation was available to older adults, because they would not use it if deemed unsafe and/or inaccessible (Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1). Public transportation, therefore, acted as a barrier to social participation when it was inadequate. This led to a reliance on paratransit services (door-to-door services provided by public transportation organizations for people with disabilities who cannot use regular transit), private transportation from family/friends, and/or volunteer transportation services (Mullen, Reference Mullen2005Footnote 1). Although the older adults who were interviewed by Mullen (2005 1) might have found another method of transportation that was inexpensive, they did not always have access to paratransit and/or volunteer transit services because of the distance they lived relative to these services or the scheduling of volunteer transportation to/from programs and activities (Mullen, Reference Mullen2005Footnote 1). Additionally, older adults did not always want to rely on family/friends for private transportation (Mullen, Reference Mullen2005Footnote 1).

Communication among Stakeholders

Bittner and colleagues (2011 1) claimed that attempts to improve transportation for older adults often fell short because of a lack of communication among service providers, local agencies, communities, and the regional government. However, successful programs, such as the ones of the Wisconsin Department of Transportation (WisDOT), took older adults’ input into account when reviewing transportation solutions (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1). Therefore, successful programs and models to improve transportation for older adults, such as the Specialized Transportation Assistance Program for Counties in Wisconsin, included a requirement for local and regional authorities to communicate with each other and the public to foster collaboration and collective goals (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1).

Québec, Canada is another example of a province that has recognized the need for communication between stakeholders in transportation planning (Gouvernement du Québec, 2010). The Government of Québec took a unique approach to public transportation through coordination among municipalities, transportation providers, and the provincial government. Municipalities, in partnership with transportation providers that wish to provide transportation solutions to their area, must send a proposed bylaw for approval by the minister of transport of Québec before it can be implemented (Gouvernement du Québec, 2010). Municipalities in Québec often created intermunicipal partnerships, whereby connections among transportation systems were established to provide seamless transit between neighbouring regions. Furthermore, the Government of Québec deemed that any municipality without access to public transit or paratransit must implement solutions to develop appropriate transportation for people with disabilities. The public transportation system in Québec is an example of how the provincial government and regional actors can work in unison to provide public transit to all, excelling at providing solutions for rural areas and people with disabilities (such as older adults with mobility issues) (Gouvernement du Québec, 2010).

Implications for Practice

The findings of this scoping review highlighted driving cessation as a life transition that often led to reductions in social participation (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Kim, Reference Kim2011Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1); one of the articles suggested that programs be created to help older adults plan for driving cessation (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). These programs could enable older adults to learn about their various transportation options after driving cessation, especially as many older adults are unaware of all the options available to them (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). Such programs could allow older adults to plan for their transition and feel in control of their situation by making the process of driving cessation less abrupt (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). Additionally, these programs would educate older adults about the impact that the processes of aging, mobility issues, disabilities, and diseases have on driving, helping them to decide for themselves when or if they should stop driving (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). Likewise, early intervention when mobility transitions occur or when health conditions are developing could provide older adults with knowledge about how to remain engaged in their community and the transportation options that are available to enable them to do so, helping them to maintain independence that people often lose when they become non-drivers (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1).

However, the feasibility of including a planning program in each town or city seems challenging (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1). Therefore, an opportunity to incorporate driving cessation preparation into older adults’ lives during later-life planning with health care professionals and legal professionals (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1) is necessary. Driving cessation is often a difficult topic to discuss, as older adults felt that they are losing freedom and want to drive for as long as possible (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1). The topic of driving cessation should be incorporated into later-life planning to help make it a normal topic to discuss with family and professionals (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1).

City planning can prevent transportation gaps or services that do not benefit older adults, resulting in the need for AFC initiatives to modify transportation initiatives to better meet their needs (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; World Health Organization, 2007). Coordination between transportation services and programs for older adults is often up to the organizations alone (Klassen & Allen, Reference Klassen and Allen2005Footnote 1). Transportation often only comprises a small portion of program administrators’ duties; therefore, they are less familiar with creating and budgeting for transportation programs (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1). The Gordon Head Recreation Centre Program, for example, found that there was a need to determine if it is transportation that acts as a barrier to isolated older adults participating in programs (Klassen & Allen, Reference Klassen and Allen2005Footnote 1). Enhanced communication between city planners and the public, including older adults, fostered better transportation planning (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1). For example, the WisDOT in the United States of America created a model for enhancing bus systems and providing taxi-sharing services where buses were unavailable, to improve transportation for older adults (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1). Additionally, the WisDOT also created the Interagency Council on Transportation Coordination (ICTC) to coordinate between the state and local levels (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1). Therefore, not unlike the AFC framework, transportation initiatives were adapted to fit the needs of Wisconsin’s population of older adults while city planners, levels of government, and the public were involved in making transportation more suitable for older adults (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1, World Health Organization, 2007). The same is true for many administrative regions (municipalités régionales de comté [MRC]) in the Province of Québec in Canada, as indicated previously.

Implications for Policy

Older adults put their wishes to remain socially active and engaged aside if they needed to rely on others to drive them places, fearing that they will become a burden (Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Salazar, Reference Salazar1999Footnote 1). There should not have to be a choice. Everyone should be able to age in place and access programs and activities to maintain their social networks (Public Health Agency of Canada, 2010Footnote 1). Service providers should recognize the role that public transportation policy plays in exacerbating social exclusion (Community Transportation Association of America, 2007Footnote 1) and creating barriers to recreational and physical activities (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Levasseur et al., Reference Levasseur, Genereux, Bruneau, Vanasse, Chabot and Beaulac2015Footnote 1; Mullen, Reference Mullen2005Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1; Woldeyohannes, Reference Woldeyohannes2016Footnote 1), social activities (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Mullen, Reference Mullen2005Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), community events/resources (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1), social participation and engagement, support systems of family and friends (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Kim, Reference Kim2011Footnote 1; Rittner & Kirk, Reference Rittner and Kirk1995Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1), and programs (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1).

Listening to the concerns and needs of older adults could help policy makers determine the best ways to meet the transportation needs of older adults (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1). Klassen & Allen (2005 1) recommended the use of steering committees, coordinators, and a formal coordination system among all transportation resources. This would allow for transportation to be taken into consideration when service providers, policy makers, and program and community developers. at both the municipal and provincial level make decisions about programs, housing, and facilities for older adults (Klassen & Allen, Reference Klassen and Allen2005Footnote 1). Community members, professionals, and service providers need to be consulted to better understand the needs of the community and how AFC initiatives can meet those needs (World Health Organization, 2007). Additionally, mobility challenges can be considered when designing community-based programs and transportation to those programs (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1). More options for public and private transportation are needed; no single solution will suit all older adults with differing needs, and no single solution will suit each city/town with differing resources and transportation infrastructure (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Kim, Reference Kim2011Footnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1).

To determine the transportation needs of older adults, and how these can be addressed, older adults should be involved in discussions with policy makers (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1). This idea reflects the general shift from quantitative models of aging, to more qualitative insights about social isolation, which provide a better understanding of the transportation needs of older adults (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1).

Implications for Research

This scoping review found that few of the articles looked at public transportation initiatives from the AFC perspective. There is a need for research on public transportation initiatives to be connected to AFC research. The findings of this scoping review have suggested that public transportation is associated with social isolation and that AFCs have been an instrumental part of reducing social isolation (Emlet & Moceri, Reference Emlet and Moceri2012; WHO, 2007).

Furthermore, this scoping review indicated that there are differences in the transportation needs of older adults living in rural and urban communities (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1; Gagliardi et al., Reference Gagliardi, Spazzafumo, Marcellini, Mollenkopf, Ruoppila and Tacken2007Footnote 1; Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007bFootnote 1; Klassen & Allen, Reference Klassen and Allen2005Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Public Health Agency of Canada, 2010Footnote 1). Research should be conducted to examine the unique transportation needs that lead to social isolation in older adults from urban or rural communities and propose potential solutions. For example, rural older adults might be socially isolated by their location and lack of transportation options or availability altogether; therefore, interventions and initiatives that promote access to public transportation would need to be further explored to benefit rural areas (Bittner et al., Reference Bittner, Fuchs, Baird and Smith2011Footnote 1; Kotval-K, Reference Kotval-K2017Footnote 1; Public Health Agency of Canada, 2010Footnote 1). Meanwhile, urban older adults might have public transportation available to them and yet not use it; therefore, the question of how to make public transportation more suitable for older adults or how to provide older adults with information about their options for transportation would need to be further explored (Chaudhury et al., Reference Chaudhury, Mahmood, Michael, Campo and Hay2012Footnote 1; Bryanton et al., Reference Bryanton, Weeks and Lees2010Footnote 1; Carp, Reference Carp1972Footnote 1). However, these articles included differing definitions of rural and urban areas, or they did not specify what was meant by this terminology. Therefore, a definition for a rural or urban area should be standardized prior to comparing the transportation needs of older adults in these areas.

Limitations

This scoping review did not capture the insight into public transportation initiatives that is available in the literature that is written in French or other languages. For example, excluding articles that were written in French omitted many articles from the Canadian Province of Québec. As was exemplified in the Discussion section, Québec has made exemplary progress in the coordination of transportation between different levels of government and transportation providers. The inclusion of French articles could have provided more insight into public transportation solutions that are geared toward rural communities as well as people with disabilities.

Additionally, this scoping review was conducted within a limited time frame, which restricted the number of sources that could be included in the database search phase to eight peer-reviewed and three grey literature sources. It is likely that not all existing literature that addresses this topic was examined. The time limitation also hindered the optional consultation with an expert panel, which might have yielded additional insight into the development of the research question and assistance with the contextualization of the research findings (Arksey & O’Malley, Reference Arksey and O’Malley2005).

Although research from many countries was taken into consideration, the practice, policy, and research recommendations were made from a Canadian perspective. Therefore, these recommendations must be adapted to fit the transportation, health care, legal, and political systems that exist in the country to which they would be applied. The recommendations must be implemented within an existing infrastructure; therefore, there is not a single solution that will fit each country, city, or community. The goal of this scoping review was to provide a starting point for further discussion to be had and research to be conducted on this topic, which can fill the gaps in the existing literature and make further recommendations to benefit the aging population.

Another limitation is that there are many definitions of “rural area” and “urban area” that were used in these articles, if the articles defined the term at all. Because the final articles were inconsistent in their definition of a rural area, it is important to keep in mind that the recommendations for rural communities should be further explored depending on if a rural community is simply small or if it is also located far from a city, as lack of public transportation might be further exacerbated in a community that is further from a city (Federal/Provincial/Territorial Ministers Responsible for Seniors, 2007aFootnote 1).

Conclusion

Initiatives that facilitate community engagement, development of social networks, and the establishment of meaningful relationships will not fulfil their intended purpose if older adults are unable to access these opportunities (World Health Organization, 2007). Although existing literature discussed barriers to the use of public transportation and improvements that need to be made to public transportation to benefit older adults (Adler & Rottunda, Reference Adler and Rottunda2006; Curl et al, Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Nordbakke & Schwanen, Reference Nordbakke and Schwanen2015; World Health Organization, 2007), this scoping review provided insight into how public transportation might influence social isolation. Social isolation is a significant issue that affects older adults at a higher rate than any other age group; therefore, the practice, policy, and research recommendations may act as a starting point to prevent social isolation by using public transportation initiatives. These recommendations indicated that there is opportunity for public transportation to further prevent older adults’ social isolation. Public transportation can act as a barrier to social engagement, but there is an opportunity for older adults’ engagement in social, leisure, civic, work, and community activities and social networks to be facilitated through public transportation (Curl et al., Reference Curl, Stowe, Cooney and Proulx2014Footnote 1; Kim, Reference Kim2011Footnote 1; White et al., Reference White, Jette, Felson, Lavalley, Lewis and Torner2010Footnote 1).

Supplementary Material

To view supplementary material for this article, please visit https://doi.org/10.1017/S0714980819000345

Footnotes

This article was written in partial fulfillment of the requirements for the HST451 Health Studies Independent Research Course at the University of Toronto’s University College. Preliminary results from this scoping review were presented as a research poster at the University College Research and Practice Day in March 2018 (by M.L.). M.L. thanks the Health Studies Department at the University of Toronto for the opportunity to complete an independent research project in her undergraduate career. She also thanks the University of Toronto’s Library System and her librarian contact, Judith Logan, for her support. The authors thank the anonymous reviewers for their invaluable contribution in enhancing the clarity and flow of this article. The authors have no conflict of interest to declare.

1 Reference is part of the final articles selected for the scoping review.

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