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Examining a stage-based intervention and predictors of exercise behavior among Iranian sedentary adolescents


Ghiami, Zeinab and Soh, Kim Geok and Omar Fauzee, Mohd Sofian and Soh, Kim Lam (2015) Examining a stage-based intervention and predictors of exercise behavior among Iranian sedentary adolescents. International Journal of Kinesiology & Sports Science, 3 (1). pp. 9-14. ISSN 2202-946X


This study evaluated the effect of an intervention based on Transtheoretical Model on exercise behavior and examined TTM constructs as predictors of stages of change among Iranian adolescents. Fifty-six sedentary adolescents completed an assessment at baseline, 2 months, and 4 months. Repeated measures ANOVA and logistic regression were used to analyze the data. The analysis showed a statistically significant difference in the mean scores on stages of change for the experimental group. Thus, students in the experiment group significantly improved their stages compared to the baseline. Furthermore, stages of change were found to correlate with TTM constructs, and self-efficacy was shown to be a strong predictor of stages of change. This study indicated that a stage-based intervention using TTM constructs could effectively improve adolescents’ intention to engage in physical activity. Moreover, the level of physical activity in adolescent can be improved by increasing their self-efficacy to exercise.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Educational Studies
Faculty of Medicine and Health Science
Sport Academy
DOI Number: https://doi.org/10.7575/aiac.ijkss.v.3n.1p.9
Publisher: Australian International Academic Centre
Keywords: Physical activity; Stage of change; Processes of change; Decisional balance; Self-efficacy; Transtheoretical model
Depositing User: Nabilah Mustapa
Date Deposited: 01 Mar 2018 03:34
Last Modified: 01 Mar 2018 03:34
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.7575/aiac.ijkss.v.3n.1p.9
URI: http://psasir.upm.edu.my/id/eprint/59396
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