A Model of Environmental Correlates of Adolescent Obesity in the United States
Journal of Adolescent Health
Purpose The purpose of this study was to test a conceptual model of proximal (home) and distal (neighborhood) environmental correlates of adolescent obesity. Methods This was a descriptive, cross-sectional study, using the 2007 National Survey of Children's Health, of 39,542 children aged 11-17 years. Structural equation modeling was used to test the fit of the model, identify direct and indirect effects of the proximal and distal environmental correlates, and determine reliabilities for latent constructs (Access to Physical Activity, Neighborhood Conditions, Social Capital Home Sedentary Behavior, and Physical Activity). Results The model fitted the data well (Root Mean Square Standard Error of Approximation: .038 (90% confidence interval .038-.039), Comparative Fit Index: .950, and Tucker-Lewis Index: .934). Access to Physical Activity, Social Capital, Home Sedentary Behavior, and Physical Activity had direct effects on obesity (−.026, p = .001; .061, p < .001; .110, p < .001; and −.119, p < .001, respectively). Neighborhood Condition had indirect effects on obesity through Access to Physical Activity, Social Capital, and Home Sedentary Behavior (−.001, p = .009; .032, p < .001; and .044, p < .001, respectively). Access to Physical Activity had indirect effects on obesity through Physical Activity, Social Capital, and Home Sedentary Behavior (−.013, p < .001; −.005, p < .001; and −.005, p = .003, respectively). Home Sedentary Behavior had indirect effect on obesity through Physical Activity (.052, p <.001). Conclusions Results of this model fit to the U. S. population-based data suggest that interventions should target not only sedentary behavior and physical activity but also parent perceptions of safety, access to physical activity, and the neighborhood condition.
Nesbit, Kathryn C.; Kolobe, Thubi A.; Sisson, Susan B.; and Ghement, Isabella R., "A Model of Environmental Correlates of Adolescent Obesity in the United States" (2014). School of Pharmacy and Health Sciences Faculty Articles. 3.
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