Peer volunteers improve long-term maintenance of physical activity with older adults

a randomized controlled trial.

Matthew Buman, Peter R. Giacobbi, Joseph M. Dzierzewski, Adrienne Aiken Morgan, Christina S. McCrae, Beverly L. Roberts, Michael Marsiske

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

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.

Original languageEnglish (US)
JournalJournal of physical activity & health
Volume8 Suppl 2
StatePublished - Sep 2011

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Volunteers
Randomized Controlled Trials
Exercise
Accelerometry
Health Education
Self Report
Education

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Buman, M., Giacobbi, P. R., Dzierzewski, J. M., Aiken Morgan, A., McCrae, C. S., Roberts, B. L., & Marsiske, M. (2011). Peer volunteers improve long-term maintenance of physical activity with older adults: a randomized controlled trial. Journal of physical activity & health, 8 Suppl 2.

Peer volunteers improve long-term maintenance of physical activity with older adults : a randomized controlled trial. / Buman, Matthew; Giacobbi, Peter R.; Dzierzewski, Joseph M.; Aiken Morgan, Adrienne; McCrae, Christina S.; Roberts, Beverly L.; Marsiske, Michael.

In: Journal of physical activity & health, Vol. 8 Suppl 2, 09.2011.

Research output: Contribution to journalArticle

Buman, M, Giacobbi, PR, Dzierzewski, JM, Aiken Morgan, A, McCrae, CS, Roberts, BL & Marsiske, M 2011, 'Peer volunteers improve long-term maintenance of physical activity with older adults: a randomized controlled trial.', Journal of physical activity & health, vol. 8 Suppl 2.
Buman, Matthew ; Giacobbi, Peter R. ; Dzierzewski, Joseph M. ; Aiken Morgan, Adrienne ; McCrae, Christina S. ; Roberts, Beverly L. ; Marsiske, Michael. / Peer volunteers improve long-term maintenance of physical activity with older adults : a randomized controlled trial. In: Journal of physical activity & health. 2011 ; Vol. 8 Suppl 2.
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