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Adolescent physical activity: does implementation intention have a role?
journal contribution
posted on 2010-07-01, 00:00 authored by V Roberts, Ralph MaddisonRalph Maddison, J Magnusson, H PrapavessisBACKGROUND: The current study tested the utility of an integrated social cognitive model to predict physical activity (PA) intentions and behavior in New Zealand adolescents. METHOD: Seventy-two adolescents (mean age = 16.92, SD = 0.66) completed measures consistent with the integrated model (attitude, subjective norm, perceived behavioral control [PBC], goal intention, task-efficacy, barrier efficacy, and implementation intention). Pedometer data (Yamax SW200 pedometer) were collected for 7 days, and a self-report 7-day recall questionnaire was administered at the end of this week. A series of hierarchical regression analyses were conducted to examine the contribution of the model to PA goal intention, implementation intention, self-reported and objective PA. RESULTS: The integrated model accounted for 41% of goal intention, 33% of implementation intention, and 41% and 18% of subjectively and objectively measured PA, respectively. PBC had the strongest association with goal intention whereas attitude had the strongest association with implementation intention. Task-efficacy made the greatest contribution to objectively measured PA, whereas implementation intention had the strongest association with subjectively measured PA. CONCLUSION: These findings have implications regarding PA measurement in adolescent populations, and suggest that social cognitive variables play an important role in adolescent PA. Recommendations for future research are discussed.
History
Journal
Journal of physical activity and healthVolume
7Issue
4Pagination
497 - 507Publisher
Human KineticsLocation
[Champaign, Ill.]Publisher DOI
ISSN
1543-3080eISSN
1543-5474Language
engPublication classification
C Journal article; C1.1 Refereed article in a scholarly journalCopyright notice
2010, Human KineticsUsage metrics
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No categories selectedKeywords
AdolescentAdolescent BehaviorExerciseFemaleGoalsHealth BehaviorHumansIntentionLeisure ActivitiesMaleMonitoring, AmbulatoryOceanic Ancestry GroupPeer GroupRegression AnalysisSelf EfficacyScience & TechnologyLife Sciences & BiomedicinePublic, Environmental & Occupational Healthyouthchildrentheory of planned behaviorsocial cognitive theoryPLANNED BEHAVIORPREDICTIVE-VALIDITYSELF-EFFICACYDETERMINANTSGIRLS
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