Psychometric Properties of Persian Shortened Version of the Falls Efficacy Scale-International in People with Multiple Sclerosis

The purpose of this study was to determine validity, reliability of the Persian shortened version of the falls efficacy scale-international in People with Multiple Sclerosis. In this regard and to confirm the construct validity of the Persian shortened version of the falls efficacy scale-international, 170 (95 male and 75 female) people with Multiple Sclerosis by Convenience Sampling and then completed the Persian shortened version of the falls efficacy scale-international. The first, with use of translation-back translation methods, face validity and translate accuracy of Persian version of questionnaires were confirmed. Confirmatory factor analysis based on structural equations was used for validation of structure of questionnaire, Cronbach alpha coefficient was used for internal consistency of questionnaire, and intra-class correlation coefficient under test-retest method was used to study temporal reliability of items and percentile points were used for normalization. Fit index (RMSEA = 0.067, CFI = 1.00, TLI = 0.99), internal consistency (0.94) and temporal reliability (0.83),This finding indicates good validity and reliability of the Persian Persian shortened version of the falls efficacy scale-international. Therefore, The Persian shortened version of the falls efficacy scale-international (FES-I) can be characterized as a tool to study and evaluate the fear of falling of Iranian people with Multiple Sclerosis will benefit.