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Examining the Correlates of Physical Activity for Whites, Blacks and Hispanics in a National Sample: The Role of Demographics, Social Connections and Self-Efficacy
Unformatted Document Text:  5 and perform better in tasks with potential difficulties. In the exercise motivation literature, research has shown that self-efficacy accounts for 39% of exercise participation (Conn, 1997). Better social support within an exercise program enhances the level of physical activity among adults. Also, people who are more socially connected have better health practices (e.g. they exercise and sleep more while drinking less). In general, social support and self-efficacy predict physical activity, which in turn are conductive to better physical health. This study examines the influence of self-efficacy, one of the important constructs in protection motivation theory, and social connection on physical activity participation: What is the relationship among self-efficacy, social connection and physical activity across different ethnic groups? How do self-efficacy and social connections mediate the relationship between demographics and physical activity for Whites, Blacks and Hispanics? This study adds to the previous research by using a national representative sample of American adults in an attempt to explore the demographic and social psychological determinants of adult physical activity across race. In light of the findings, we can segment the target populations based on demographics and social cognitive variables and design effective interventions for different race accordingly. Methods Data In this study, we used data from the 1999 Life Style Survey, sponsored by DDB Needham Worldwide, a prominent advertising firm. The Life Style Survey is administered

Authors: Siu, Wanda. and Doyle, Kenneth.
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and perform better in tasks with potential difficulties. In the exercise motivation literature,
research has shown that self-efficacy accounts for 39% of exercise participation (Conn, 1997).
Better social support within an exercise program enhances the level of physical activity
among adults. Also, people who are more socially connected have better health practices (e.g.
they exercise and sleep more while drinking less). In general, social support and self-efficacy
predict physical activity, which in turn are conductive to better physical health.
This study examines the influence of self-efficacy, one of the important constructs in
protection motivation theory, and social connection on physical activity participation: What is
the relationship among self-efficacy, social connection and physical activity across different
ethnic groups? How do self-efficacy and social connections mediate the relationship between
demographics and physical activity for Whites, Blacks and Hispanics? This study adds to the
previous research by using a national representative sample of American adults in an attempt
to explore the demographic and social psychological determinants of adult physical activity
across race. In light of the findings, we can segment the target populations based on
demographics and social cognitive variables and design effective interventions for different
race accordingly.
Methods
Data
In this study, we used data from the 1999 Life Style Survey, sponsored by DDB
Needham Worldwide, a prominent advertising firm. The Life Style Survey is administered


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