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Developing a comprehensive measure of mobility: Mobility Over Varied Environments Scale (MOVES)

TitleDeveloping a comprehensive measure of mobility: Mobility Over Varied Environments Scale (MOVES)
Year of Publication2017
AuthorsHirsch, J. A., Winters M., Sims-Gould J., Clarke P. J., Ste-Marie N., Ashe M., and McKay H. A.
JournalBMC Public Health
Pages1 - 14
Keywordsaged, elderly, functionally-impaired elderly, measurement, methods, mobility limitation, social interaction, surveys and questionnaires, transportation

Background While recent work emphasizes the multi-dimensionality of mobility, no current measure incorporates multiple domains of mobility. Using existing conceptual frameworks we identified four domains of mobility (physical, cognitive, social, transportation) to create a "Mobility Over Varied Environments Scale" (MOVES). We then assessed expected patterns of MOVES in the Canadian population. Methods An expert panel identified survey items within each MOVES domain from the Canadian Community Health Survey- Healthy Aging Cycle (2008-2009) for 28,555 (weighted population n = 12,805,067) adults (=>45 years). We refined MOVES using principal components analysis and Cronbach's alpha and weighted items so each domain was 10 points. Expected mobility trends, as assessed by average MOVES, were examined by sociodemographic and health factors, and by province, using Analysis of Variance (ANOVA). Results MOVES ranged from 0 to 40, where 0 represents individuals who are immobile and 40 those who are fully mobile. Mean MOVES was 29.58 (95% confidence interval (CI) 29.49, 29.67) (10th percentile: 24.17 (95% CI 23.96, 24.38), 90th percentile: 34.70 (CI 34.55, 34.85)). MOVES scores were lower for older, female, and non-white Canadians with worse health and lower socioeconomic status. MOVES was alsolower for those who live in less urban areas. Conclusions MOVES is a holistic measure of mobility for characterizing older adult mobility across populations. Future work should examine individual or neighborhood predictors of MOVES and its relationship to broader health outcomes. MOVES holds utility for research, surveillance, evaluation, and interventions around the broad factors influencing mobility in older adults.

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