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Journal of Pediatric Psychology Advance Access originally published online on April 19, 2007
Journal of Pediatric Psychology 2007 32(7):783-793; doi:10.1093/jpepsy/jsm017
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© The Author 2007. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Effects of Modifying Physical Activity and Sedentary Behavior on Psychosocial Adjustment in Overweight/Obese Children

Gary S. Goldfield, PhD1,2,3,4, Risa Mallory, MEd1, Torrey Parker, MSc2, Terrell Cunningham, BA4, Christine Legg, BA4, Andrew Lumb, BA4, Kasey Parker2, Denis Prud’homme, MD, MSc2 and Kristi B. Adamo, PhD2,3,5

1Mental Health Research, Children's Hospital of Eastern Ontario Research Institute, 2School of Human Kinetics, University of Ottawa, 3Department of Paediatrics, University of Ottawa, 4Department of Psychology, Carleton University, and 5Chalmers Research Group, Children's Hospital of Eastern Ontario Research Institute

All correspondence concerning this article should be addressed to Gary S. Goldfield, PhD, C. Psych, Senior Investigator, Children's Hospital of Eastern Ontario Research Institute, Mental Health Research, 401 Smyth Rd., Ottawa, ON Canada K1H 8L1. E-mail: ggoldfield{at}cheo.on.ca.


  Abstract

Objectives To evaluate the relationship between changes in physical activity (PA), sedentary behavior, and physical self-perceptions and global self-worth in 30, 8–12 years old, overweight/obese children (13 boys, 17 girls). Methods Secondary analyses from a randomized controlled trial designed to increase PA and reduce sedentary behavior. PA was measured by accelerometers worn by participants every day for 8 weeks. Sedentary behavior, defined as minutes per day spent in television viewing, was assessed by self-report. Results Increases in PA were associated with increases in perceived physical conditioning (r = .54, p < .01), body satisfaction (r = .55, p < .01), and overall physical self-worth (r = .44, p < .05) independent of changes in body mass index (BMI). Reductions in TV viewing were also related to increased physical and global self-worth. Conclusions Increases in PA are associated with improvements in physical self-perceptions but not global self-worth, while reductions in TV viewing are associated with increased physical and global self-worth, and these psychosocial benefits appear to be independent of changes in adiposity.

Key words: children; obesity; overweight; physical activity; sedentary behavior; self-esteem; self-perceptions; TV; youth..

Received May 31, 2006; revision received February 20, 2007; accepted February 20, 2007


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