Reports on the efficacy of physical activity intervention trials usually only include discussion of the primary outcomes. However, assessing factors such as participant retention, adherence and compliance can assist in the accurate interpretation of the overall impact of a program in terms of reach and appeal. A quasi-randomised trial was carried out to assess and compare retention and adherence rates, and compliance with, a twice weekly resistance training program provided either individually at home or in a group format. Retirement villages (n=6) were assigned to either 'Have A Try' (HAT, home-based) or 'Come Have A Try' (CHAT, group-based); both programs included nine strength and two balance exercises. The program involved a 20-week Intervention Phase a 24-week Maintenance Phase and a 20-week On-going Maintenance Phase. One hundred and nineteen participants (mean age 80+/-6 years) were recruited (HAT=38, CHAT=81). There was no difference in retention rates at the end of the Intervention Phase, but significantly more HAT than CHAT participants had dropped out of the study (p<0.01) after the Maintenance Phase and the On-going Maintenance Phase. During the Intervention Phase, over half the HAT and CHAT participants completed > or =75% of the prescribed activity sessions, but adherence was significantly greater in CHAT than HAT during the Maintenance Phase (p<0.01). Participants in CHAT were significantly more compliant than HAT participants (p<0.05). Both home- and group-based formats were successful over the short-term, but, in retirement villages, the group program had better adherence and compliance in the longer-term.

译文

:有关体育锻炼干预试验功效的报告通常仅包括对主要结局的讨论。但是,评估参与者的保留,遵守和遵守等因素可以帮助准确地解释计划在影响力和吸引力方面的总体影响。进行了一项半随机试验,以评估和比较保留率和依从率,以及是否遵守每周两次的在家中或以小组形式提供的每周两次阻力训练计划。退休村(n = 6)被分配为“尝试一下”(HAT,基于家庭)或“来一下尝试”(CHAT,基于组);这两个程序都包括九项力量和两项平衡练习。该计划包括20周的干预阶段,24周的维护阶段和20周的持续维护阶段。招募了119名参与者(平均年龄80 / -6岁)(HAT = 38,CHAT = 81)。在干预阶段结束时,保留率没有差异,但是在维护阶段和正在进行的维护阶段之后,HAT的退出人数比CHAT参与者退出研究的次数多(p <0.01)。在干预阶段,超过一半的HAT和CHAT参与者完成了规定活动的>或= 75%,但是在维持阶段,CHAT中的依从性明显高​​于HAT(p <0.01)。与CHAT参与者相比,CHAT参与者的依从性更高(p <0.05)。以家庭为基础和以团体为基础的形式在短期内都是成功的,但是在退休村,从长期来看,团体计划具有更好的遵守性和合规性。

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