Psychometric Properties of Persian Version of the Multidimensional Body-Self Relations Questionnaire (MBSRQ) Among Iranian Elderly

Abstract

Objectives This research aimed to investigate the psychometric properties of the Persian version of the Multidimensional Body-Self Relations Questionnaire (MBSRQ) among older Iranian people. Methods & Materials The research method was non-experimental research that its necessary information was collected with the cross-sectional method. The statistical population comprised all older people over 60 years of age in Tehran City, Iran. The statistical sample included 1035 people who have completed the Multidimensional Body-Self Relations Questionnaire (MBSRQ). This questionnaire consists of 69 questions and 9 components. The obtained data were analyzed with confirmatory factorial analysis based on structural equations, Cronbach alpha coefficient, and intra-class correlation coefficient tests. Results The content, face, and concurrent validity were acceptable (P<0.05). Also, result showed that the MBSRQ has acceptable fit indexes (such as RMSEA=0.042, CFI=0.903, TLI=0.978, PNFI=0.075, and PGFI=0.886). Further, the internal consistency and temporal reliability were acceptable (P<0.05). Conclusion The Persian version of MBSRQ has acceptable reliability and validity in the Iranian elderly, and researchers, older adults, and elderly specialists can use this questionnaire for its evaluations and research.