Peer Volunteers Improve Long-Term Maintenance of Physical Activity With Older Adults: A Randomized Controlled Trial
Peer Volunteers Improve Long-Term Maintenance of Physical Activity With Older Adults: A Randomized Controlled Trial
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DOI：
10.1123/jpah.8.s2.s257
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发表时间：
2011-09-01
影响因子：
3.1
通讯作者：
Marsiske, Michael
中科院分区：
文献类型：
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作者：
Buman, Matthew P.;Giacobbi, Peter R., Jr.;Marsiske, Michael
背景：使用同伴志愿者作为传递代理人可以改善老年人基于证据的身体活动促进计划的翻译。本研究探讨了老年同伴志愿者的量身定制的支持是否可以改善身体活动行为的启动和长期维持。研究方法：参与者被随机分配到2个为期16周的基于小组的项目中：（1）同龄人提供的，基于理论的体育活动行为改变支持;或（2）社区环境中通常可用的干预措施（基础教育，健身房会员资格和自我监测计步器），注意力与健康教育相匹配。在基线、干预结束（16周）和随访（18个月）时，通过每日自我报告日志评估中度至剧烈体力活动（MVPA），并在随机子样本中进行加速度计验证（RT 3）。结果：招募了7名同龄志愿者和81名久坐不动的成年人。试验结束时的保留率为85%，18个月随访时为61%。使用意向治疗分析，在16周时，两组的MVPA有相似的显著改善。在18个月时，补充同伴支持的小组的MVPA显著增加。结论：受过训练的同伴志愿者可以提高长期维持身体活动收益从社区为基础的干预。这一方法具有很大的潜力，可以在社区环境中进行调整和廉价实施。
Background: 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. Methods: 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. Results: 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. Conclusions: 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.