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Examination of the Transtheoretical Model and Exercise in 3 Populations

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Objective: To examine differences in the processes of change and self-efficacy for exercise across the stages of change in 3 populations to determine its suitability for use in diverse groups. Methods: Cross-sectional survey design with population as a between-subjects variable: high school students (n=168), university undergraduate students (n=215), and employed adults (n=63). Results: ANOVAs revealed main effects of stage (p<.0001) and population (p<.001) in process use and self-efficacy but no population by stage interaction. Conclusions: The consistency of patterns of the TTM variables supports its potential for effective intervention in diverse populations.

Document Type: Research Article


Affiliations: Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Alberta, Canada.

Publication date: January 1, 2001

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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