多组分干预减少办公人员工作中久坐时间的效果：一项群组随机对照试验。
Efficacy of a Multicomponent Intervention to Reduce Workplace Sitting Time in Office Workers: A Cluster Randomized Controlled Trial.
机构信息
Institute for Sport and Physical Activity Research, School of Sport Science and Physical Activity, University of Bedfordshire, Bedford, UK (Mr Maylor, Dr Zakrzewski-Fruer, Ms Champion, Dr Bailey); Leicester Diabetes Research Centre, University of Leicester, Leicester, UK (Dr Edwardson); The NIHR Leicester Loughborough Diet, Lifestyle and Physical Activity Biomedical Research Unit, Leicester and Loughborough, UK (Dr Edwardson).
出版信息
J Occup Environ Med. 2018 Sep;60(9):787-795. doi: 10.1097/JOM.0000000000001366.
OBJECTIVE
The aim of this study was to investigate the efficacy of a work-based multicomponent intervention to reduce office workers' sitting time.
METHODS
Offices (n = 12; 89 workers) were randomized into an 8-week intervention (n = 48) incorporating organizational, individual, and environmental elements or control arm. Sitting time, physical activity, and cardiometabolic health were measured at baseline and after the intervention.
RESULTS
Linear mixed modelling revealed no significant change in workplace sitting time, but changes in workplace prolonged sitting time (-39 min/shift), sit-upright transitions (7.8 per shift), and stepping time (12 min/shift) at follow-up were observed, in favor of the intervention group (P < 0.001). Results for cardiometabolic health markers were mixed.
CONCLUSION
This short multicomponent workplace intervention was successful in reducing prolonged sitting and increasing physical activity in the workplace, although total sitting time was not reduced and the impact on cardiometabolic health was minimal.
目的
本研究旨在探讨基于工作场所的多组分干预措施减少办公人员久坐时间的效果。
方法
将办公室（n=12；89 名员工）随机分为 8 周干预组（n=48），纳入组织、个体和环境元素或对照组。在基线和干预后测量久坐时间、身体活动和心血管代谢健康状况。
结果
线性混合模型显示，工作场所久坐时间没有显著变化，但观察到工作场所长时间久坐时间（-39 分钟/班次）、坐直转换次数（7.8 次/班次）和步数（12 分钟/班次）的变化有利于干预组（P<0.001）。心血管代谢健康标志物的结果喜忧参半。
结论
这种短期多组分工作场所干预措施成功地减少了长时间久坐和增加了工作场所的身体活动，尽管总久坐时间没有减少，对心血管代谢健康的影响很小。
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