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  • Title: A national longitudinal study of the association between hours of TV viewing and the trajectory of BMI growth among US children.
    Author: Danner FW.
    Journal: J Pediatr Psychol; 2008; 33(10):1100-7. PubMed ID: 18390579.
    Abstract:
    OBJECTIVES: To assess the association between hours of TV viewing and the trajectory of BMI growth from Kindergarten to Grade 5 among a national longitudinal cohort of 7,334 US children. METHODS: Multilevel growth curve modeling was used to estimate children's BMI growth trajectories as a function of hours of TV viewing over time while controlling for gender, race/ethnicity, SES, birth weight, and baseline age. RESULTS: Hours of TV viewing were significantly positively associated with the acceleration of BMI growth from Kindergarten to Grade 5. CONCLUSIONS: Hours spent watching TV may be contributing to the recent dramatic increase in the prevalence of overweight and obesity among children.
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