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Psychometric evaluation of the elderly mobility scale in Indonesia
Riksa Wibawa Resna1, Ching-Min Chen2, Tram Thi Bich Nguyen3
1National Cheng Kung University, No. 1 University Road, Tainan City 701, Taiwan; Institute of Health Science Banten, Jl. Rawa Buntu No. 10, BSD Serpong, South Tangerang City District, Province of Banten, Indonesia.
Background:
The Elderly Mobility Scale (EMS) is widely used to identify mobility limitations in older adults, though it has not been validated in Indonesia.
Aim:
To evaluate the reliability and validity of the Indonesian version of the EMS (EMS-I).
Method:
A cross-sectional design involving 230 older adults in South Tangerang City, Indonesia, was used. The EMS was translated and culturally adapted following a multistage process. Psychometric testing included content validity, exploratory, and confirmatory factor analysis.
Results:
The participants had a mean age of 70, with 65.7 % female. Results demonstrated high internal consistency (Cronbach's alpha = .942) and item content validity index (I-CVI > .75). Exploratory factor analysis confirmed a unidimensional structure, with confirmatory factor analysis supporting a good model fit.
Conclusion:
The EMS-I shows high reliability and validity, enabling healthcare professionals to monitor mobility status and facilitate targeted interventions for enhancing well-being in community-dwelling older adults in Indonesia.
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