The Workstyle Short Form (24 items) (WSF-24) has been tested for its psychometric\nproperties on work-related upper-extremity musculoskeletal symptoms (WRUEMSs) among office\nworkers. However, the impact of workstyle should not only be limited to WRUEMSs and the\nsedentary workforce. The purpose of this study was to test the psychometric properties of the\nmodified 24-item Chinese WSF (C-WSF-24) to identify work-related musculoskeletal symptoms\n(WRMSs) in various body parts among nursing assistants (NAs) working in nursing homes. Four\nhundred and thirty-nine NAs participated in the study. The results of the factor analysis were that a\nfour-factor solution (working through pain, social reactivity at work, demands at work and breaks)\naccounted for 56.45% of the total variance. Furthermore, validation against known groups showed\nthat the total score and subscale scores of the C-WSF-24 had the ability to discriminate between\nNAs with and without WRMSs in various body parts (such as low back and lower extremities).\nAdditionally, C-WSF-24 had a statistically significant association with the contributing factors to\nWRMSs. This is the first study to examine the psychometric properties of the C-WSF-24 in the\nnon-sedentary workforce, with a focus on various body parts of WRMSs. The results demonstrated\nthat C-WSF-24 is reliable and valid for assessing WRMSs in various body parts among NAs.
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