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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >A randomized controlled trial of continuous activity, short bouts, and a 10,000 step guideline in inactive adults.
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A randomized controlled trial of continuous activity, short bouts, and a 10,000 step guideline in inactive adults.

机译：在不活跃的成年人中进行连续活动，短暂发作和10,000步指南的随机对照试验。

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OBJECTIVE: Although several studies have examined the effect of accumulated bouts on health outcomes, the impact of recommending short bouts on activity-related behavior in health promotion efforts has received minimal investigation. METHOD: During this 5-week study in 2007-2008, 43 university employees (8 male, 35 female) in the Southeastern United States were randomly assigned to a group recommended to achieve (a) 10,000 steps (10K), (b) 30-minutes (30 min) of continuous physical activity, or (c) 30-minutes of activity in bouts of at least 10 minutes (bouts). RESULTS AND CONCLUSIONS: Repeated measures ANOVA revealed that the 10K group showed the largest increase in step counts whereas the bouts group showed the smallest change over the intervention period, p=0.01. Condition differences were most pronounced on days in which participants met their activity recommendation. Accelerometer results revealed that the 10K (d=1.1) and 30 min groups (d=0.89) showed large increases in minutes of moderate to vigorous activity (MVPA), whereas the bouts group showed minimal change (d=0.11). Although activity recommendations did not differentially affect self-efficacy, participants from all conditions showed decreased self-efficacy across the intervention (p=0.02), highlighting the need to develop strategies to increase self-efficacy in activity promotion efforts.
机译：目的：尽管有几项研究检查了反复发作对健康结局的影响，但在健康促进工作中建议短期发作对与活动有关的行为的影响却很少。方法：在2007年至2008年的为期5周的研究中，将美国东南部的43名大学雇员（男性8名，女性35名）随机分配到一个建议的小组中，以达到（a）10,000步（10K），（b）30分钟的持续运动（30分钟），或（c）至少10分钟的运动（发作）中的30分钟的运动。结果与结论：重复测量的方差分析表明，在干预期间，10K组的步数增加最大，而bouts组的步数变化最小，p = 0.01。在参与者达到其活动建议的那几天，状况差异最为明显。加速度计结果显示，10K（d = 1.1）和30分钟组（d = 0.89）在中度到剧烈运动（MVPA）的分钟数上显示出很大的增加，而bouts组则显示出最小的变化（d = 0.11）。尽管活动建议并没有差异性地影响自我效能，但是所有情况下的参与者都显示出整个干预过程中自我效能的降低（p = 0.02），突显了在发展活动促进工作中需要制定提高自我效能的策略的必要性。

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