Journal
ANNALS OF BEHAVIORAL MEDICINE
Volume 30, Issue 2, Pages 119-124Publisher
OXFORD UNIV PRESS INC
DOI: 10.1207/s15324796abm3002_4
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Funding
- NICHD NIH HHS [R01 HD045693-03, R01 HD045693-04, R01 HD045693, R01 HD045693-02] Funding Source: Medline
- ODCDC CDC HHS [U48/CCU409664-06] Funding Source: Medline
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Background: Previous studies have shown that choice and self-initiated behavior change are important for increasing intrinsic motivation and physical activity (PA), however little of this research has focused on underserved adolescents. Purpose: This study examined the effects of a 4-week student-centered intervention on increasing PA in underserved adolescents. Methods: Twenty-eight students in the intervention school were matched (on race, percentage on free or reduced-price lunch program, gender and age) with 20 students from another school who served as the comparison group (30 girls, 18 boys; ages 10-12 years; 83% African American; 83% on free or reduced-price lunch). The student-centered intervention was consistent with self-determination (motivation) theory and social cognitive theory in that it emphasized increasing intrinsic motivation and behavioral skills for PA. Intervention adolescents took ownership in selecting a variety of PA activities in which to participate, and they generated coping strategies for making effective PA behavior changes. Results: Intervention participants showed greater increases in accelerometer estimates of time spent in moderate PA, moderate-to-vigorous PA, and vigorous PA from baseline to Week 4 of the intervention than the comparison group. Intervention participants also showed greater increases in PA motivation and positive self-concept for PA than comparison adolescents. Conclusions: This study provides preliminary evidence that increasing adolescent involvement and choice of activities may be important in developing future PA interventions for underserved adolescents.
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