Objectively measured neighborhood walkability and change in physical activity in older Japanese adults: A five-year cohort study

Hiroyuki Kikuchi*, Tomoki Nakaya, Tomoya Hanibuchi, Noritoshi Fukushima, Shiho Amagasa, Koichiro Oka, James F. Sallis, Shigeru Inoue

*この研究の対応する著者

研究成果: Article査読

18 被引用数 (Scopus)

抄録

Objectives: This study investigated the longitudinal association between changes in older adults’ physical activity and neighborhood walkability measured by geographic information systems (GISs, (ArcGIS, ESRI Inc., Redlands, CA, USA)). Methods: A mail survey was conducted for Japanese older adults who were randomly selected from three different settlement types. Data on walking, total moderate to vigorous physical activity (MVPA), and sociodemographic characteristics were collected at baseline (in 2010) and follow-up (in 2015). Multiple linear regression analyses were employed to assess the association between MVPA change and neighborhood walkability, adjusted for potential confounders. Effect sizes for independent variables on MVPA change were estimated. Results: Data from 731 community-dwelling older adults (43.7% women) were analyzed. During the follow-up, older adults’ MVPA was reduced by 94.4 min/week (−14.2%) on average (675.5 and 579.9 min/week in 2010 and 2015, respectively). Overall, older adults living in highly walkable areas showed a smaller reduction than those in low walkable areas (beta: 99.7 min/week, 95% confidence interval: 28.5–171.0). Similar associations were observed among those in the urban and suburban area, but not in the rural area. Walkability had larger effect sizes for explaining MVPA change than demographic characteristics. In addition, the findings for walking were similar to MVPA. Conclusion: Neighborhood walkability mitigated the 5-year reduction of walking and total MVPA among older adults, especially in urban areas.

本文言語English
論文番号1814
ジャーナルInternational journal of environmental research and public health
15
9
DOI
出版ステータスPublished - 2018 9

ASJC Scopus subject areas

  • 公衆衛生学、環境および労働衛生
  • 健康、毒物学および変異誘発

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