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An Evaluation of Psychometric Properties of EAT-10: A Malayalam Version

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Abstract

The Eating Assessment Tool (EAT-10) is a 10-item self-administered questionnaire that assesses the severity of dysphagia symptoms, the impact of dysphagia on quality of life and treatment efficacy. EAT-10 has been adapted into several languages, including Malayalam. However, the information on the psychometric properties of EAT-10 MALAYALAM is not known. Therefore, the study aimed to evaluate the psychometric properties of the EAT-10 MALAYALAM. EAT-10 MALAYALAM questionnaire was administered to two groups of native Malayalam-speaking participants. Group 1 consisted of a total of 110 participants (76 males and 34 females) with a mean age of 52.9 ± 13.5 years diagnosed with oropharyngeal dysphagia. Group 2 consisted of 110 age and gender-matched healthy participants with normal swallow function and no history and symptoms of swallowing disorders. The test–retest reliability was assessed using Spearman’s rank correlation coefficient between the test and the retest scores; internal consistency was assessed using Cronbach’s alpha, and Known groups validity was evaluated by comparing the EAT-10 MALAYALAM scores between the participants of both groups. The results of Spearman’s correlation coefficient showed 0.99, indicating that the EAT-10-MALAYALAM has excellent test–retest reliability. The Cronbach’s alpha was 0.94, indicating strong internal consistency. Mann–Whitney U test showed significant differences in the scores of EAT-10-MALAYALAM between the participants of both groups. Therefore, it was inferred that EAT-10-MALAYALAM had good known groups validity. The EAT-10-MALAYALAM is a valid and reliable tool for screening Malayalam-speaking dysphagia patients.

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Data Availability

The datasets generated during and/or analysed during the current study are not publicly available due to ethical restriction but are available from the corresponding author on reasonable request.

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Acknowledgements

The authors gratefully acknowledge, Nestle Health Science (© Société des Produits Nestlé SA 2009) for permission us to use Malayalam version of EAT-10.

Funding

No funding, grant, or other support was revieved from any source.

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Authors and Affiliations

  1. Department of Speech & Language Pathology, JSS Institute of Speech & Hearing, Mysore, Karnataka, India

    Srirangam Vijayakumar Narasimhan

  2. JSS Institute of Speech & Hearing, Mysore, Karnataka, India

    Afna Panarath

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  1. Srirangam Vijayakumar Narasimhan
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Contributions

SVN: Conceptualization; methodology; formal analysis; investigation; resources; writing—original draft preparation; writing—review and editing; visualization; supervision; AP: investigation; resources; data collection; data analysis; project administration; writing—review and editing. The first draft of the manuscript was written by SVN and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Srirangam Vijayakumar Narasimhan.

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Competing Interests

The permission to use EAT-10-MALAYALAM for the study was obtained from Nestle Health Science (© Société des Produits Nestlé SA 2009). The study received no funding, Grant, or other support from Nestle Health Science or any other source.

Ethical Approval

The institutional ethics committee has approved the study (JSSISH/IEC/011153/31NCT/2021-22). All procedures performed in studies involving human participants were in accordance with the Institutional ethical standards and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent to participate was obtained from all the participants.

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Narasimhan, S.V., Panarath, A. An Evaluation of Psychometric Properties of EAT-10: A Malayalam Version. Dysphagia (2023). https://doi.org/10.1007/s00455-023-10639-1

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