Journal
JOURNAL OF AGING AND HEALTH
Volume 23, Issue 8, Pages 1246-1262Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/0898264311412597
Keywords
physical function; neighborhoods; geriatrics; physical activity
Categories
Funding
- NIAMS NIH HHS [AR35584, AR35582, R01 AR035584, AR35583, R01 AR035583, R01 AR035582] Funding Source: Medline
- NIA NIH HHS [R01 AG005407, AG028254, 2 R01 AG027574-22A1, AG05394, R01 AG005394, R01 AG027574, 2 R01 AG005394-22A1, R01 AG028254, AG05407, R01 AG027576, R01 AG027576-22] Funding Source: Medline
- NIEHS NIH HHS [1-P50-ES012383, P50 ES012383] Funding Source: Medline
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Objectives: We examined the association between walkability of the built environment and changes in physical performance among women aged 65 or older (n = 1,671, 253 neighborhoods). Method: Street connectivity and street density, markers for neighborhood walkability, were assessed through linkage to secondary data sources. Physical performance was measured with timed-walk and chair-stand tests assessed during follow-up visits about every 2 years for 12 to 14 years. Multilevel models predicted change in physical performance, controlling for age, number of incident comorbidities, self-rated health, and death during follow-up. Results: Overall, physical performance declined during follow-up (p < .001). Neighborhood walkability had no effect on change in physical performance among women who reported not walking at baseline. However, among women who walked, greater neighborhood walkability was associated with a slower decline in dynamic leg strength, indicated by score on chair stand. Discussion: Neighborhood walkability may protect against decline in physical performance.
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