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Evaluation of a social cognitive theory-based adolescent physical activity intervention: plan for exercise, plan for health

Stevens, Emily Claire
http://rave.ohiolink.edu/etdc/view?acc_num=osu1158096089

Abstract Details

2006, Doctor of Philosophy, Ohio State University, Physical Activity and Educational Services.
Regular physical activity plays an influential role on morbidity and mortality, particularly within the areas of obesity and cardiovascular disease prevention. The development of programs to increase physical activity levels has the potential to attenuate the health and economic burden that physical inactivity places on our nation. The purpose of the study was to conduct an impact evaluation of the Plan for Exercise, Plan for Health intervention. The physical education, health, and/or life-skills teachers from three high schools within the Appalachian region of Ohio implemented the 9-week physical activity curriculum as an integrated unit within their classes; a fourth school served as a comparison school. Multiple regression models were developed to determine whether the intervention could predict changes in the frequency of adolescent physical activity behavior, whether changes in the targeted SCT constructs contributed to the models, and whether changes in the constructs mediated changes in behavior. The intervention explained a greater portion of the variance in changes in moderate physical activity at two of the intervention schools (R2 = 0.353; R2 = 0.40) than the comparison school (R2 = 0.287) but a non-significant portion of the variance at the third intervention school (R2 = 0.136). Subgroup analysis indicated that the intervention was particularly effective at impacting moderate physical activity among previously inactive adolescents; descriptive statistics indicate an increase in the frequency of moderate physical activity and an increase in the SCT construct scores among intervention students. Regression models were able to explain 24 – 78% of the variance in changes in moderate physical activity within intervention schools. Self-regulation and social support contributed to the models and were found to mediate changes in moderate physical activity. There were no changes in the frequency of vigorous physical activity over the course of the study. Results support the efficacy of the Plan for Exercise, Plan for Health intervention at changing adolescent moderate physical activity, particularly among previously inactive students.
Rick Petosa (Advisor)
310 p.
physical activity; adolescent physical activity interventions; physical activity determinants; social cognitive theory

Recommended Citations

Citations

  • Stevens, E. C. (2006). Evaluation of a social cognitive theory-based adolescent physical activity intervention: plan for exercise, plan for health [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1158096089

    APA Style (7th edition)

  • Stevens, Emily. Evaluation of a social cognitive theory-based adolescent physical activity intervention: plan for exercise, plan for health. 2006. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1158096089.

    MLA Style (8th edition)

  • Stevens, Emily. "Evaluation of a social cognitive theory-based adolescent physical activity intervention: plan for exercise, plan for health." Doctoral dissertation, Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1158096089

    Chicago Manual of Style (17th edition)

osu1158096089
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© 2006, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.