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Am J Health Promot. 2007 Mar-Apr;21(4):274-7.

Association of neighborhood design and recreation environment variables with physical activity and body mass index in adolescents.

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  • 1San Diego State University, San Diego, California 92103, USA.

Abstract

PURPOSE:

To examine associations of neighborhood walkability and recreation environment variables with physical activity in adolescents.

METHODS:

The cross-sectional study was conducted with 98 white or Mexican-American adolescents (mean age = 16.2 years). Physical activity was measured with 7 days of accelerometer monitoring. Height and weight were measured to compute body mass index (BMI). Environmental measures were created using geographic information systems. A neighborhood walkability index was based on land use mix, retail density, street connectivity, and residential density. Proximity to public and private recreation facilities was assessed.

RESULTS:

In a linear regression, the walkability index within 0.5 mile of homes was related to minutes of moderate to vigorous physical activity, explaining approximately 4% of variance. Recreation variables were not related to physical activity, and BMI was not explained by environmental variables.

CONCLUSION:

Neighborhood walkability was related to adolescents'physical activity, similar to findings for adults.

PMID:
17375494
[PubMed - indexed for MEDLINE]
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