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Higher Obesity Rates Associated With Lower-Income Neighborhoods

Main Category: Obesity / Weight Loss / Fitness
Also Included In: Nutrition / Diet
Article Date: 10 Feb 2008 - 6:00 PDT

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Obesity prevalence has increased significantly among adults and children in the U.S. over the last two decades. A new study appearing in the journal Nutrition Reviews reveals that characteristics of neighborhoods, including the area's income level, the built environment, and access to healthy food, contribute to the continuing obesity epidemic.

Researchers led by Jennifer L. Black of New York University's Department of Nutrition, Food Studies and Public Health critically reviewed ninety studies published between 1997 through 2007 on neighborhood determinants of obesity through the PubMed and PsychInfo databases.

They found that neighborhoods with decreased economic and social resources have higher rates of obesity. They also found that residents in low-income urban areas are more likely to report greater neighborhood barriers to physical activity, such as limited opportunities for daily walking or physical activity and reduced access to stores that sell healthy foods, especially large supermarkets.

In order to organize the different approaches to assessing neighborhood-level determinants of obesity, the authors present a conceptual framework. The framework is intended to guide future inquiry by describing pathways through which neighborhoods might influence body weight.

Consisting of three inter-related layers, the framework includes the influence of social factors, access to quality food and exercise, and individual factors including behavioral intentions. Each level has indirect and direct influences on behavioral choices and may ultimately impact weight.

The authors conclude, "While individual-level characteristics such as income, cultural preferences, and genetic predisposition contribute to geographic disparities in weight, neighborhood-level services and structures that affect physical activity behaviors and dietary choices are emerging as important and potentially modifiable loci for public health intervention."

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Article adapted by Medical News Today from original press release.
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This study is published in the January 2008 issue of Nutrition Reviews.

Jennifer L. Black is affiliated with New York University, Department of Nutrition, Food Studies and Public Health.

Nutrition Reviews
is a highly cited journal devoted to keeping academic researchers, students, and professionals abreast of the latest research in the field with authoritative and critical reviews of significant developments in all areas of nutrition science and policy.

Wiley-Blackwell was formed in February 2007 as a result of the acquisition of Blackwell Publishing Ltd. by John Wiley & Sons, Inc., and its merger with Wiley's Scientific, Technical, and Medical business. Together, the companies have created a global publishing business with deep strength in every major academic and professional field. Wiley-Blackwell publishes approximately 1,400 scholarly peer-reviewed journals and an extensive collection of books with global appeal. For more information on Wiley-Blackwell, please visit http://www.blackwellpublishing.com/ or http://interscience.wiley.com/ .

Source: Amy Molnar
Blackwell Publishing Ltd.




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