Abstract
Purpose
This study investigates the association between socioeconomic position (SEP) and health-related quality of life (HRQoL) in a cross-sectional cohort among cancer survivors and compares with cancer-free people.
Methods
Survivors of colorectal, hematological, gynecological, prostate, thyroid cancer, and melanoma diagnosed 2000–2014 were identified in the PROFILES registry, and an age- and sex-matched cancer-free population were identified in the CentER panel. HRQoL, education, and comorbidity were self-reported. Street-level income and clinical factors were obtained from Statistics Netherlands and the Netherlands Cancer Registry. Multivariable logistic regression was used to examine associations of SEP (measured by education and income) and impaired HRQoL among cancer survivors and the cancer-free population, adjusting for age, sex, and time since diagnosis.
Results
We included 6693 cancer survivors and 565 cancer-free people. Cancer survivors with low versus medium SEP more frequently reported impaired HRQoL (odds ratio (OR) range for all HRQoL outcomes, 1.06–1.78 for short education and 0.94–1.56 for low income). Survivors with high compared to medium SEP reported impaired HRQoL less frequently (OR range for all HRQoL outcomes, 0.46–0.81 for short education and 0.60–0.84 for low income). The association between SEP and HRQoL was similar in the matched cancer-free population.
Conclusion
Low SEP was associated with impaired HRQoL in both cancer survivors and cancer-free people.
Implications for Cancer Survivors
Targeted care is warranted for cancer survivors with impaired HRQoL, especially among those with low SEP.
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Data availability
The PROFILES registry data has been freely available since 2011, according to the Findable, Accessible, Interoperable, Reusable (FAIR) data principles for non-commercial (international) scientific research, which are subject only to privacy and confidentiality restrictions. Data is made available through Questacy (DDI 3.x XML), which can be accessed by the PROFILES registry website (http://www.profilesregistry.nl). The quality guidelines that are formulated in the “Data Seal of Approval” (http://www.datasealofapproval.org) document, developed by Data Archiving and Networked Services (DANS), are followed in order to arrange optimal long-term data warehousing and dissemination.
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Funding
The PROFILES registry was funded by an Investment Grant (#480–08-009) of the Netherlands Organization for Scientific Research (The Hague, Netherlands). The funding agency had no further role in the design of the study; in data collection, data analysis, or interpretation of data; no role in the writing of this paper; or in the decision to publish the results.
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Conceptualization: AKGL, SO, LvdP; Data curation: AKGL, SO; Methodology: AKGL, SO, MA, LvdP; Formal analysis: AKGL; Investigation: AKGL, SO, LvdP, NE; Writing – original draft preparation: AKGL; Writing – review and editing: SO, LvdP, TKK, SOD, MA, NE; Supervision: SO, LvdP; Project administration: SO; Funding: LvdP.
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Ethical approvals for the questionnaire and methodology were obtained locally for all study participants.
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Informed consent was obtained from all individual participants in the study.
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Levinsen, A.K.G., van de Poll-Franse, L., Ezendam, N. et al. Socioeconomic differences in health-related quality of life among cancer survivors and comparison with a cancer-free population: a PROFILES study. J Cancer Surviv (2023). https://doi.org/10.1007/s11764-023-01494-y
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DOI: https://doi.org/10.1007/s11764-023-01494-y