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Research

TEAN: Evaluating the Relationship Between Physical Activity, Diet, Weight, and the Neighborhood Environment for Adolescents
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Led by Dr. Jim Sallis from San Diego State University, the primary goal of the project is to examine the association of built environment and food environment variables with behavioral and weight-related outcomes in adolescents aged 12 to 16 years.  The forty-eight neighborhoods in King County, WA and Baltimore-Washington, DC being studied were selected based on walkability levels (e.g., combination of street connectivity, residential density, land use mix, retail floor area ratio) and median income levels. Study researchers will examine and create formulas to measure walkability, pedestrian infrastructure, public recreation space, and nutrition environment quality. Researchers will also examine crime and weather patterns; psychosocial variables; parent support; and perceived neighborhood, school, and home environments. Individual data is collected using accelerometers, GPS units, surveys, and food recalls.  Overall, the study will evaluate the ability of a research model to explain the variation in physical activity levels, sedentary behavior, dietary patterns, and weight among adolescents, with an emphasis on neighborhood environment. 

http://www.teanstudy.org

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