Further validation of the Multiple Sclerosis Self-Efficacy Scale

Disability and Rehabilitation
Chung-Yi Chiu, Robert W Motl

Abstract

This study examined the factorial and construct validity of the Multiple Sclerosis Self-Efficacy (MSSE) Scale in two samples of people with multiple sclerosis (MS). Two samples (n's = 292, 275) of participants with MS were recruited from across the United States. Participants in both studies completed a questionnaire battery that included the MSSE and measures of symptoms, dysfunction, disability, psychosocial aspects, mental/emotional well-being, and quality of life. Factorial validity was tested using confirmatory factor analysis (CFA), whereas construct validity was examined based on bivariate correlations with scores from other measures. The two-factor measurement model provided a poor fit for the 18 items on the MSSE in both the samples. This model provided a good fit for a modified, 10-item scale in both samples. The 10-item version of the MSSE was highly correlated with the original MSSE (r = 0.97, p < 0.001) and related constructs (e.g. disability, r = 0.69, p < 0.0001). The standardized Cronbach's αs of the two subscales (function and control) of the 10-item version ranged between 0.78 and 0.94 for both samples. Scores from the modified, 10-item version of the MSSE provide a valid and reliable measure of MS-specific se...Continue Reading

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Citations

Mar 7, 2017·Journal of Neurologic Physical Therapy : JNPT·Robert W MotlElizabeth A Hubbard
May 3, 2019·International Journal of MS Care·Rachel E Bollaert, Robert W Motl
Mar 16, 2021·Multiple Sclerosis Journal - Experimental, Translational and Clinical·Horacio Chiong-RiveroUNKNOWN ARHMS investigators
Apr 20, 2021·ATS Scholar·Akshay SoodOrrin Myers
Jun 4, 2021·Physiotherapy Theory and Practice·Heather Eustis, Prudence Plummer

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