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J Pediatr Psychol. 2008 Nov-Dec;33(10):1100-7. doi: 10.1093/jpepsy/jsn034. Epub 2008 Apr 4.

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

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1
Department of Educational and Counseling Psychology, University of Kentucky, Lexington, Kentucky 40506, USA. fdanner@uky.edu

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.

PMID:
18390579
DOI:
10.1093/jpepsy/jsn034
[Indexed for MEDLINE]
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