Minority Health Archive

Lifestyles, Demographics, Dietary Behavior, and Obesity: A Switching Regression Analysis

Yen, Steven T. and Chen, Zhuo and Eastwood, David B. (2009) Lifestyles, Demographics, Dietary Behavior, and Obesity: A Switching Regression Analysis. Health Services Research, 44 (4). pp. 1345-1369. ISSN 00179124

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Abstract

OBJECTIVES; To investigate the effects of lifestyles, demographics, and dietary behavior on overweight and obesity. DATA SOURCE: Continuing Survey of Food Intakes by Individuals 1994-1996, U.S. Department of Agriculture. STUDY DESIGN: We developed a three-regime switching regression model to examine the effects of lifestyle, dietary behavior, and sociodemographic factors on body mass index (BMI) by weight category and accommodating endogeneity of exercise and food intake to avoid simultaneous equation bias. Marginal effects are calculated to assess the impacts of explanatory variables on the probabilities of weight categories and BMI levels. PRINCIPAL FINDINGS: Weight categories and exercise are found to be endogenous. Lifestyle, dietary behavior, social status, and other sociodemographic factors affect BMI differently across weight categories. Education, employment, and income have strong impacts on the likelihood of overweight and obesity. Exercise reduces the probabilities of being overweight and obese and the level of BMI among overweight individuals. CONCLUSION: Health education programs can be targeted at individuals susceptible to overweight and obesity. Social status variables, along with genetic and geographic factors, such as region, urbanization, age, and race, can be used to pinpoint these individuals.


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Item Type: Article
Additional Information: This article is available at the publisher’s Web site. Access to the full text is subject to the publisher’s access restrictions.
Uncontrolled Keywords: Lifestyle; obesity; ordinal probit; overweight; switching regression
Subjects: Health > Public Health > Chronic Illness & Diseases > Obesity
Practice
Research
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Depositing User: Users 141 not found.
Date Deposited: 26 Jun 2011 19:56
Last Modified: 26 Jun 2011 19:56
Link to this item (URI): http://health-equity.pitt.edu/id/eprint/2642

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