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Health Psychol. 2007 Jul;26(4):401-9.

Telephone versus print delivery of an individualized motivationally tailored physical activity intervention: Project STRIDE.

Author information

  • 1Miriam Hospital and Brown Medical Centers for Behavioral and Preventive Medicine, Providence, RI 02903, USA. bmarcus@lifespan.org

Abstract

OBJECTIVE:

Given that only 25% of Americans meet physical activity recommendations, there is a need to develop and disseminate effective, evidence-based interventions to promote physical activity. The authors tested 2 delivery channels, telephone and print, to determine whether one was more effective in promoting physical activity.

DESIGN:

The authors randomly assigned 239 healthy, sedentary adults to (a) telephone-based individualized feedback, (b) print-based individualized feedback, or (c) contact control. Both intervention arms were guided by a motivationally tailored, theoretically driven computer expert system.

MAIN OUTCOME MEASURES:

Physical activity as measured by the 7-day Physical Activity Recall interview.

RESULTS:

At 6 months, both telephone and print arms significantly increased in minutes of moderate intensity physical activity compared with control, with no differences between the intervention arms. At 12 months, print participants reported a significantly greater number of moderate intensity minutes than both telephone and control participants, who did not differ.

CONCLUSION:

Results suggest that both telephone and print enhance the adoption of physical activity among sedentary adults; however, print interventions may be particularly effective in maintaining physical activity in the longer term.

Copyright 2007 APA.

PMID:
17605559
[PubMed - indexed for MEDLINE]
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