Hilly environment and physical activity among community-dwelling older adults in Japan: a cross-sectional study
Objectives We investigated whether a moderate-to-vigorous physical activity (MVPA) level and walking time were associated with a hilly environment in rural Japanese older adults.Design Cross-sectional study.Setting Unnan city, Ohnan and Okinoshima towns in Shimane, Japan.Participants Data were colle...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2020-03-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/10/3/e033338.full |
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| Summary: | Objectives We investigated whether a moderate-to-vigorous physical activity (MVPA) level and walking time were associated with a hilly environment in rural Japanese older adults.Design Cross-sectional study.Setting Unnan city, Ohnan and Okinoshima towns in Shimane, Japan.Participants Data were collected from 1115 adults from the Shimane CoHRE study, who were aged 60 years and older and living in rural Japan in 2012.Measures We measured the total time spent on MVPA and walking using a Japanese short version of the International Physical Activity Questionnaire. The land slope in 400 or 800 m network buffers was assessed using the geographic information system. A multivariable Poisson regression model examined the prevalence ratios (PR) and 95% CIs of walking time or MVPA levels meeting the WHO guideline (>150 min/week) in the land slope categories (low, middle and high), adjusted for confounders.Results Engaging in the recommended level of MVPA was significantly associated with middle land slope (PR=1.07; p=0.03) and high land slope (PR=1.06; p=0.07) compared with low land slope in the 400 m network buffer, as well as with middle land slope (PR=1.02; p=0.48) and high land slope (PR=1.04; p=0.25) compared with the low land slope in the 800 m network buffer. Walking time was significantly associated with middle land slope (PR=1.13; p=0.04) and high land slope (PR=1.17; p=0.01) compared with low land slope in the 400 m network buffer, and with middle land slope (PR=1.09; p=0.16) and high land slope (PR=1.17; p<0.01) compared with low land slope in the 800 m network buffer. The sensitivity analysis found only a positive association between walking time and land slope in the 400 and 800 m network buffers.Conclusions This study showed that a hilly environment was positively associated with walking time among older adults living in rural Japan. |
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| ISSN: | 2044-6055 |