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Lytle, Leslie A.; Murray, David M.; Laska, Melissa N.; Pasch, Keryn E.; Anderson, Sarah E.; Farbakhsh, Kian – Health Education & Behavior, 2013
Evidence is building regarding the association between inadequate amounts of sleep and the risk of obesity, especially in younger children. Less is known about the relationship between change in sleep and change in weight during adolescence. The objective of this study was to examine the longitudinal relationship between change in sleep duration…
Descriptors: Obesity, Body Composition, Depression (Psychology), Adolescents
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Pratt, Charlotte; Webber, Larry S.; Baggett, Chris D.; Ward, Dianne; Pate, Russell R.; Murray, David; Lohman, Timothy; Lytle, Leslie; Elder, John P. – Research Quarterly for Exercise and Sport, 2008
This study describes the relationships between sedentary activity and body composition in 1,458 sixth-grade girls from 36 middle schools across the United States. Multivariate associations between sedentary activity and body composition were examined with regression analyses using general linear mixed models. Mean age, body mass index, and…
Descriptors: Body Composition, Physical Activity Level, Middle School Students, Grade 6