The relation of exercise habits of 113 female college students to their knowledge about osteoporosis and their health beliefs was investigated, using the health belief model to determine why some people participate in self-care preventive actions but others do not. Age was positively correlated with the level of osteoporosis knowledge, awareness of personal susceptibility, and motivation for general health behaviors. Older participants, however, perceived more barriers to exercise as an osteoporosis-prevention measure than did the younger respondents. The authors' conclusions support the importance of early osteoporosis education and lifetime physical activities to prevent osteoporosis.

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