Walking-friendly built environments and objectively measured physical function in older adults |
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| Authors: | Mohammad Javad Koohsari Gavin R McCormack Tomoki Nakaya Ai Shibata Kaori Ishii Akitomo Yasunaga Yung Liao Koichiro Oka |
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| Institution: | 1. Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan;2. Behavioural Epidemiology Laboratory, Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia;3. Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC 3010, Australia;4. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta T2N 4Z6, Canada;5. Faculty of Kinesiology, University of Calgary, Calgary, Alberta T2N 4Z6, Canada;6. School of Architecture, Planning and Landscape, University of Calgary, Calgary, Alberta T2N 4Z6, Canada;7. Graduate School of Environmental Studies, Tohoku University, Sendai 980-0845, Japan;8. Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba 305-8574, Japan;9. Faculty of Liberal Arts and Sciences, Bunka Gakuen University, Tokyo 151-8523, Japan |
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| Abstract: | BackgroundFew studies have examined the associations between urban design attributes and older adults’ physical function. Especially, it is not well known how built-environment attributes may influence physical function in Asian cities. The aim of this study was to examine associations between objectively measured environmental attributes of walkability and objectively assessed physical function in a sample of Japanese older adults.MethodsCross-sectional data collected in 2013 from 314 older residents (aged 65–84 years) living in Japan were used. Physical function was estimated from objectively measured upper- and lower-body function, mobility, and balance by a trained research team member. A comprehensive list of built-environment attributes, including population density, availability of destinations, intersection density, and distance to the nearest public transport station, were objectively calculated. Walk Score as a composite measure of neighborhood walkability was also obtained.ResultsAmong men, higher population density, availability of destinations, and intersection density were significantly associated with better physical function performance (1-legged stance with eyes open). Higher Walk Score was also marginally associated with better physical function performance (1-legged stance with eyes open). None of the environmental attributes were associated with physical function in elderly women.ConclusionOur findings indicate that environmental attributes of walkability are associated with the physical function of elderly men in the context of Asia. Walking-friendly neighborhoods can not only promote older adults’ active behaviors but can also support their physical function. |
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| Keywords: | Elderly Functional test Neighborhood Urban design Walkability |
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