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Evaluating a model of youth physical activity
Carrie D Heitzler1, Leslie A Lytle, Darin J Erickson
1University of Minnesota, Division of Epidemiology and Community Health, 1300 S Second Street, Suite 300, Minneapolis, MN 55454, USA. heitz022@umn.edu
American Journal of Health Behavior
|June 8, 2010
Summary
Peer and parent support, along with perceived barriers, influence youth physical activity. Understanding these social influences is key to promoting regular exercise in adolescents.
Area of Science:
- Childhood and adolescent health
- Behavioral science and physical activity promotion
- Social determinants of health in youth
Background:
- Physical activity is crucial for youth development and well-being.
- Social influences, including family and peers, play a significant role in shaping health behaviors.
- Understanding barriers is essential for designing effective physical activity interventions.
Purpose of the Study:
- To investigate the associations between social influences (parent/peer support, parent activity)
- To examine the role of self-efficacy, enjoyment, and perceived barriers in youth physical activity.
- To explore the direct and indirect relationships among these factors and objectively measured physical activity.
Main Methods:
- Structural equation modeling was employed to analyze the data.
- Objective physical activity was measured using accelerometers in a sample of 720 youth aged 10-17 years.
- Key variables included parent and peer support, parent physical activity, and individual perceptions.
Main Results:
- Peer support and parent physical activity were positively associated with youth physical activity levels.
- Perceived barriers were negatively associated with youth physical activity.
- The model explained 14.7% of the variance in physical activity, highlighting the importance of identified factors.
Conclusions:
- Social factors, particularly peer support and parental activity, are significant predictors of youth physical activity.
- Addressing perceived barriers is crucial for increasing physical activity engagement in young people.
- Further research should investigate a broader range of individual, social, and environmental factors influencing sustained physical activity in youth.
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