新冠疫情期间居家办公与职业体力活动和久坐行为的关联。
Associations of working from home with occupational physical activity and sedentary behavior under the COVID-19 pandemic.
机构信息
Department of Preventive Medicine and Public Health, Tokyo Medical University, Tokyo, Japan.
出版信息
J Occup Health. 2021 Jan;63(1):e12212. doi: 10.1002/1348-9585.12212.
OBJECTIVES
To compare physical activity (PA) and sedentary behavior (SB) levels during work time between those who work from home (WFH) and at workplaces (no WFH), and by WFH subgroups.
METHODS
This cross-sectional internet-based survey included 1239 workers (mean age [standard deviation], 44.7 [13.7] years; 59.2% men) living in the Tokyo Metropolitan Area. Time spent sitting (SB), standing (light-intensity PA; LPA), walking, and engaging in heavy labor (moderate-to-vigorous PA; MVPA) during work time was measured using the Work-related Physical Activity Questionnaire. Workers reported weekly WFH percentages (eg, 0% implies no WFH and 100% implies full WFH), and WFH percentages were categorized into no WFH (0% WFH) and WFH (1%-100% WFH) groups. The WFH group was further subcategorized into 1%-25%, 26%-50%, 51%-75%, and 76%-100% subgroups.
RESULTS
Overall, 494 workers (39.9%) worked from home. During working hours, SB time was longer in the WFH group than in the no WFH group (mean minutes [% working-time SB]: 335.7 vs 224.7 min [74% vs 50%]). Significantly shorter LPA and MVPA times (%) were reported in the WFH group than in the no WFH group (LPA, 59.6 vs 122.9 min [14% vs 29%]; MVPA, 55.3 vs 91.9 min [13% vs 22%], all P < .001). Among the WFH subgroups, longer SB time and shorter LPA and MVPA times were observed in the highest WFH group (WFH 76%-100%) than in the WFH 1%-25% and 26%-50% subgroups.
CONCLUSIONS
Workers who telecommuted were less physically active and had longer sedentary during work time than those who worked at the workplaces.
目的
比较在家工作（WFH）和在工作场所工作（非 WFH）以及不同 WFH 亚组之间工作时间内的体力活动（PA）和久坐行为（SB）水平。
方法
本横断面互联网调查包括居住在东京都市区的 1239 名工人（平均年龄[标准差]，44.7 [13.7]岁；59.2%为男性）。使用与工作相关的体力活动问卷测量工作时间内的坐姿（SB）、站立（低强度 PA；LPA）、散步和从事重体力劳动（中高强度 PA；MVPA）的时间。工人报告每周 WFH 的百分比（例如，0%表示无 WFH，100%表示完全 WFH），并将 WFH 百分比分为无 WFH（0% WFH）和 WFH（1%-100% WFH）组。WFH 组进一步细分为 1%-25%、26%-50%、51%-75%和 76%-100%亚组。
结果
总体而言，有 494 名工人（39.9%）在家工作。在工作时间内，WFH 组的 SB 时间长于非 WFH 组（平均分钟[工作时间 SB%]：335.7 比 224.7 min[74%比 50%]）。WFH 组报告的 LPA 和 MVPA 时间明显短于非 WFH 组（LPA，59.6 比 122.9 min[14%比 29%]；MVPA，55.3 比 91.9 min[13%比 22%]，均 P<0.001）。在 WFH 亚组中，WFH 比例最高（WFH 76%-100%）组的 SB 时间更长，LPA 和 MVPA 时间更短，高于 WFH 1%-25%和 26%-50%亚组。
结论
与在工作场所工作的工人相比，在家远程办公的工人工作时体力活动较少，久坐时间更长。
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