The Hungarian adaptation of the functional status questionnaire: Examination of validity and reliability

Zsenák, István and Makai, Alexandra and Járomi, Melinda (2024) The Hungarian adaptation of the functional status questionnaire: Examination of validity and reliability. PHYSIOLOGY INTERNATIONAL, 111 (4). pp. 298-311. ISSN 2498-602X

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Abstract

Background: In the international literature, several questionnaires measuring everyday activities are known with the aim of examining patients’ quality of life. In the Hungarian language, few validated questionnaires focus on daily activities, examining both basic and moderately difficult physical activity, as well as mental health. Objective: Our goal was to translate the Functional Status Questionnaire (FSQ) into Hungarian and examine its reliability and validity.The validation of the questionnaire into Hungarian followed the six-step principle formulated in 2000. In our cross-sectional study, 376 participants took part. For convergent validity, we used the 36-Item Short Form Survey (SF-36) and the Functional Independence Measure (FIM) questionnaires. The examination of internal consistency was performed through Cronbach’s alpha calculations. Test-retest reliability within the class was assessed with the intraclass correlation coefficient (ICC). We conducted discriminant validity for pain and general health. Results: Internal consistency values demonstrated reliability. Participants’ demographic data showed that the majority live in cities and have secondary education. The individuals included in the study exhibited unusually high levels of sports activity compared to the Hungarian average. Convergent validity examinations revealed significant relationships between dimensions of health-related quality of life of the different measurement tools. Conclusions: The validated Hungarian questionnaire is valid and reliable. Similar to the original questionnaire, it is quickly and easily completed, allowing healthcare professionals in clinical settings to assess the patient’s functional status before initiating examinations.

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