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J Adolesc Health. 2010 Sep;47(3):309-11. doi: 10.1016/j.jadohealth.2010.02.016. Epub 2010 Apr 28.

Screen time, physical activity, and overweight in U.S. youth: national survey of children's health 2003.

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Department of Nutritional Sciences, Behavioral Nutrition and Physical Activity Laboratory, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma, USA.


The purpose was to examine screen-based leisure time sedentary behavior and physical activity and overweight in a national sample of children. Boys and girls who engage in low physical activity and high leisure time sedentary behavior are two times more likely to be overweight than more active, less sedentary children.

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