Relationship of Physical Activity and Television Watching With Body Weight and Level of Fatness Among Children Results From the Third National Health and Nutrition Examination Survey

Ross E. Andersen, Carlos J. Crespo, Susan J. Bartlett, Lawrence J Cheskin, Michael Pratt

Research output: Contribution to journalArticle

Abstract

Context. - Physical inactivity contributes to weight gain in adults, but whether this relationship is true for children of different ethnic groups is not well established. Objective. - To assess participation in vigorous activity and television watching habits and their relationship to body weight and fatness in US children. Design.-Nationally representative cross-sectional survey with an in-person interview and medical examination. Setting and Participants. - Between 1988 and 1994, 4063 children aged 8 through 16 years were examined as part of the National Health and Nutrition Examination Survey III. Mexican Americans and non-Hispanic blacks were oversampled to produce reliable estimates for these groups. Main Outcome Measures. - Episodes of weekly vigorous activity and daily hours of television watched, and their relationship to body mass index and body fatness. Results.-Eighty percent of US children reported performing 3 or more bouts of vigorous activity each week. This rate was lower in non-Hispanic black and Mexican American girls (69% and 73%, respectively). Twenty percent of US children participated in 2 or fewer bouts of vigorous activity per week and the rate was higher in girls (26%) than in boys (17%). Overall, 26% of US. children watched 4 or more hours of television per day and 67% watched at least 2 hours per day. Non-Hispanic black children had the highest rates of watching 4 or more hours of television per day (42%). Boys and girls who watch 4 or more hours of television each day had greater body fat (P

Original languageEnglish (US)
Pages (from-to)938-942
Number of pages5
JournalJournal of the American Medical Association
Volume279
Issue number12
DOIs
StatePublished - Mar 25 1998

ASJC Scopus subject areas

  • Medicine(all)

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