Reliability and validity of the Arabic version of the modified falls efficacy scale
DISABILITY AND REHABILITATION(2024)
Abstract
Purpose: The purpose of this study was to adapt Modified Falls Efficacy Scale (MFES) into Arabic and determine the reliability and validity of the instrument.Materials and methods: The study was conducted in two phases: (i) translation and adaptation by the systematic approach of the 'forward-back' translation method and (ii) psychometric testing of the Arabic version of the Modified Falls Efficacy Scale among 207 community-dwelling older adults (>= 60 years).Results: The Arabic version of the Modified Falls Efficacy Scale demonstrated excellent internal consistency (Cronbach's alpha = 0.98) and test-retest reliability scores (ICC = 0.96, 95% CI; 0.95-0.97). And also showed strong correlations with both the Falls Efficacy International (r = -0.82) and the activities-specific Balance Confidence Scale (r = 0.87). Sampling adequacy for factor analysis was proven by a Kaiser-Meyer-Olkin value of 0.962. Goodness-of-fit (GFI) statistics for the model were in the acceptable range (Chi-Square/Degree of Freedom (CMIN/DF) = 2.59, Goodness-of-fit index (GFI) = 0.9, Comparative Fit Index (CFI) = 0.97, Root Mean Square Error of Approximation (RMSEA) = 0.79).Conclusion: The Arabic version of the Modified Falls Efficacy Scale has demonstrated excellent psychometric qualities to measure the level of fear of falling.
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Key words
Fall,fear of falling,reliability,validity,Arabic
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