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Journal of Pediatric Psychology Advance Access originally published online on May 17, 2006
Journal of Pediatric Psychology 2007 32(1):6-12; doi:10.1093/jpepsy/jsl001
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© The Author 2006. 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

Perceptions of Physical and Social Environment Variables and Self-Efficacy as Correlates of Self-Reported Physical Activity Among Adolescent Girls

Robert W. Motl, PhD1, Rod K. Dishman, PhD2, Ruth P. Saunders, PhD3, Marsha Dowda, DrPH4 and Russell R. Pate, PhD4

1 Department of Kinesiology, University of Illinois at Urbana-Champaign, 2 Department of Exercise Science, University of Georgia, 3 Department of Health Promotion and Education, and, 4 Department of Exercise Science, University of South Carolina

All correspondence concerning this article should be addressed to Robert W. Motl, Department of Kinesiology, University of Illinois at Urbana-Champaign, 332 Freer Hall, 906 S Goodwin Avenue, Urbana, Illinois 61801-3895. E-mail: robmotl{at}uiuc.edu.


  Abstract

Objective This cross-sectional study examined the direct and indirect effects of perceived equipment accessibility, neighborhood safety, and social support on self-reported physical activity among older adolescent girls. Methods Adolescent girls (n = 1,655) who were in the 12th grade completed a battery of questionnaires that included self-report measures of the perceived physical environment, social support, barriers self-efficacy, and physical activity. Results Perceived neighborhood safety did not exhibit direct or indirect effects on self-reported physical activity. Perceived equipment accessibility exhibited an indirect effect on self-reported physical activity that was accounted for by barriers self-efficacy. Perceived social support exhibited direct and indirect effects on self-reported physical activity; the indirect effect was accounted for by barriers self-efficacy. The relationships were independent of parental education and body mass index (BMI). Conclusions Perceived physical environmental factors indirectly influenced self-reported physical activity, and perceived social environmental factors both directly and indirectly influenced self-reported physical activity in this sample of older adolescent girls.

Key words: adolescents; body mass index; determinants; physical activity; race.


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