Correlates of Vigorous Physical Activity for Children in Grades 1 through 12: Comparing Parent-Reported and Objectively Measured Physical Activity

in Pediatric Exercise Science
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Correlates of physical activity were examined in young people in grades 1 through 12, and analyses were conducted separately for eight age/grade and sex subgroups. Twenty-one explanatory variables were assessed by parental report. Physical activity was assessed in 781 young people via parent report, and 200 wore an accelerometer for seven days. Between 11% and 36% of parent-reported child vigorous physical activity was explained. The most consistent correlates were peer support and use of afternoon time for active rather than sedentary recreation. Peer support was the only significant correlate of objectively monitored activity in multiple subgroups.

J.F. Sallis is with the Department of Psychology at San Diego State University. W.C. Taylor is with the School of Public Health at University of Texas-Houston Health Science Center. M. Dowda and R.R. Pate are with the Department of Exercise Science, University of South Carolina. P.S. Freedson is with the Department of Exercise Science, University of Massachusetts at Amherst.