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Clinical Trial
. 2000 Jan;18(1):28-37.
doi: 10.1016/s0749-3797(99)00117-8.

Project GRAD: two-year outcomes of a randomized controlled physical activity intervention among young adults. Graduate Ready for Activity Daily

K J Calfas  1 , J F Sallis, J F Nichols, J A Sarkin, M F Johnson, S Caparosa, S Thompson, C A Gehrman, J E Alcaraz
Affiliations
Clinical Trial

Project GRAD: two-year outcomes of a randomized controlled physical activity intervention among young adults. Graduate Ready for Activity Daily

K J Calfas et al. Am J Prev Med. 2000 Jan.

Abstract

Introduction: Project Graduate Ready for Activity Daily evaluated a program to promote physical activity through the transition of university graduation in a randomized controlled trial.

Methods: Three hundred thirty-eight university seniors participated in either a cognitive-behavioral intervention course or a knowledge-oriented general health course during the semester before graduation. Behaviorally oriented phone and mail follow-up was delivered to the intervention group for 18 months. Physical activity outcomes and mediating variables were assessed at baseline, 1 and 2 years (93% retention rate).

Results: There were no significant intervention effects on physical activity outcomes at 2 years for either men or women. Experiential and behavioral processes of change were significantly improved for intervention women over 2 years.

Conclusions: Despite excellent participation in a theoretically based, well-attended intervention, few long-term effects on physical activity or its mediators were found. Additional research is needed to determine optimal interventions for physical activity and to validate or alter current behavior change theory.

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