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Predicting Osteoporosis Prevention Behaviors: Health Beliefs and Knowledge

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Objectives: To investigate whether the expanded Health Belief Model (EHBM) could predict calcium intake and physical activity in adolescent girls. Methods: Participants self-reported calcium intake, physical activity, and osteoporosis health beliefs. Regression analysis examined the relationship between these beliefs and behaviors. Results: Calcium self-efficacy, calcium barriers, and osteoporosis knowledge predicted calcium intake, whereas exercise self-efficacy and health motivation predicted physical activity. Conclusions: The EHBM appears to be useful in predicting osteoporosis prevention behaviors in adolescent girls. Interventions should focus on identifying barriers to calcium consumption and physical activity and increasing beliefs in the ability overcome them.
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Keywords: ADOLESCENTS; CALCIUM INTAKE; EXPANDED HEALTH BELIEF MODEL; GIRLS; PHYSICAL ACTIVITY; SELF-EFFICACY

Document Type: Research Article

Affiliations: Department of Physical Education and Kinesiology, Brock University, St. Catharines, ON, Canada

Publication date: 01 May 2011

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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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