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Improvement in food environments may help prevent childhood obesity: Evidence from a 9-year cohort study.

Author(s) : Wang Y., Jia P., Cheng X., Xue H.
Date : Oct, 2019
Source(s) : Pediatric Obesity #14:10 pe12536
Adresse : Systems-Oriented Global Childhood Obesity Intervention Program, Fisher Institute of Health and Well-Being, College of Health, Ball State University, Muncie, Indiana.

BACKGROUND
Effects of food environments (FEs) on childhood obesity are mixed.

OBJECTIVES
To examine the association of residential FEs with childhood obesity and variation of the association across gender and urbanicity.

METHODS
We used the US Early Childhood Longitudinal Study-Kindergarten Cohort data, with 9440 kindergarteners followed up from 1998 to 2007. The Dun and Bradstreet commercial datasets in 1998 and 2007 were used to construct 12 FE measures of children, ie, changes in the food outlet mix and density of supermarkets, convenience stores, full-service restaurants, fast-food restaurants, retail bakery, dairy-product stores, health/dietetic food stores, confectionery stores, fruit/vegetable markets, meat/fish markets, and beverage stores. Two-level mixed-effect and cluster robust logistic regression models were fitted to examine associations.

RESULTS
Decreased exposures to full-service restaurants, retail bakeries, fruit/vegetable markets, and beverage stores were generally obesogenic, while decreased exposure to dairy-product stores was generally obesoprotective; the magnitude and statistical significance of these associations varied by gender and urbanicity of residence. Higher obesity risk was associated with increased exposure to full-service restaurants among girls, and with decreased exposures to fruit/vegetable markets in urban children, to beverage stores in suburban children, and to health/dietetic food stores in rural children. Mixed findings existed between genders on the associations of fruit/vegetable markets with child weight status.

CONCLUSION
In the United States, exposure to different FEs seemed to lead to different childhood obesity risks during 1998 to 2007; the association varied across gender and urbanicity. This study has important implications for future urban design and community-based interventions in fighting the obesity epidemic.

Source : Pubmed

 

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