Peer volunteers improve long-term maintenance of physical activity with older adults: a randomized controlled trial

Using peer volunteers as delivery agents may improve translation of evidence-based physical activity promotion programs for older adults. This study examined whether tailored support from older peer volunteers could improve initiation and long-term maintenance of physical activity behavior. Particip...

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Bibliographic Details
Published in:Journal of physical activity & health 2011-09, Vol.8 Suppl 2 (s2), p.S257-S266
Main Authors: Buman, Matthew P, Giacobbi, Jr, Peter R, Dzierzewski, Joseph M, Aiken Morgan, Adrienne, McCrae, Christina S, Roberts, Beverly L, Marsiske, Michael
Format: Article
Language:English
Subjects:
Acceleration
Aged
Aging - physiology
Evidence-Based Practice
Exercise
Female
Health Behavior
Health Knowledge, Attitudes, Practice
Health Promotion - methods
Humans
Male
Mentors
Middle Aged
Models, Theoretical
Motor Activity - physiology
Older people
Peer Group
Physical Fitness
Residence Characteristics
Sedentary Behavior
Self Efficacy
Social Marketing
Social Support
Surveys and Questionnaires
Time Factors
United States
Volunteers - psychology
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Summary:Using peer volunteers as delivery agents may improve translation of evidence-based physical activity promotion programs for older adults. This study examined whether tailored support from older peer volunteers could improve initiation and long-term maintenance of physical activity behavior. Participants were randomized to 2 16-week, group-based programs: (1) peer-delivered, theory-based support for physical activity behavior change; or (2) an intervention typically available in community settings (basic education, gym membership, and pedometer for self-monitoring), attention-matched with health education. Moderate-to-vigorous physical activity (MVPA) was assessed via daily self-report logs at baseline, at the end of the intervention (16 weeks), and at follow-up (18 months), with accelerometry validation (RT3) in a random subsample. Seven peer volunteers and 81 sedentary adults were recruited. Retention at the end of the trial was 85% and follow-up at 18 months was 61%. Using intent-to-treat analyses, at 16 weeks, both groups had similar significant improvements in MVPA. At 18 months, the group supplemented with peer support had significantly more MVPA. Trained peer volunteers may enhance long-term maintenance of physical activity gains from a community-based intervention. This approach has great potential to be adapted and delivered inexpensively in community settings.
ISSN:1543-3080
1543-5474
DOI:10.1123/jpah.8.s2.s257