A national longitudinal study of the association between hours of TV viewing and the trajectory of BMI growth among US children.

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… CONTINUE READING