international health policy program -thailand the effect of neighborhood environments and the risk...
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The effect of neighborhood environments and the risk of
obesity
Kitiporn Tupsart
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Hypothesis
• Neighbourhood characteristics are associated with an individual’s body mass index (BMI) and obesity risk– Local food environment– Neighbourhood walkability– Low income and Non-low income
neighbourhood
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Methods• Use data from Utah Population
database merged with U.S.Census data and Dun and Bradstreet business data for Salt Lake country, Utah
• Sampling-Adults aged 25-64 years who have driver license or driving privilege card with an address that can be geo-coded – exclude young adults who have not likely
not established their post adolescence residence and elderly adults for whom BMI is likely to have more complex associations with health
• Sample size-453,927 persons
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Results
• Neighborhood physical environment are associated with BMI and obesity risk in both low and non low income neighborhood
• Increasing in population density associated with reducing of BMI and obesity risk in both, low and non low income neighborhood, but greater in low income neighborhood.
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Results
• Neighborhood retail food options strong associated with BMI/obesity risk, with the magnitude of effects varying by neighborhood income
• There was no relationship between proximity to fast food outlets and BMI/ obesity risk, however, there was a significant relationship between the presence of healthy grocery store and reduce BMI/ obesity risk in low income neighborhood
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• Walkability indicators of older neighborhoods and neighborhood where a higher fraction of the population walks to work is related to a lower BMI/ obesity risk
• Surprisingly, walkability indicator of neighborhoods with higher intersection density was linked to higher BMI/obesity risk
Results
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Reference
• Cathleen D. Zick, Ken R. Smith, Jessie X. Fan, Barbara B. Brown, Ikuho Yamada, Lori Kowaleski-Jones. Running to the store? The relationship between Neighborhood environments and the risk of obesity. Social Science & Medicine Vol. 69, Issue 10, P. 1417-1560 (November 2009).
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Thank you