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Association of physical workload and leisure time physical activity with incident mobility limitations: A follow-up study

机译：身体工作量和休闲时间体育活动与事故机动性限制的关联：一项后续研究

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Objectives: To examine individual as well as joint associations of physical workload and leisure time physical activity with incident mobility limitations in initially well-functioning middle-aged workers. Methods: This study is based on 6-year follow-up data of the Danish Longitudinal Study on Work, Unemployment and Health. Physical workload was reported at baseline and categorised as light, moderate or heavy. Baseline leisure time physical activity level was categorised as sedentary or active following the current recommendations on physical activity. Incidence of mobility limitations in climbing stairs and running among initially well-functioning workers (n=3202 and n=2821, respectively) was assessed during follow-up. Results: Higher workload increased whereas active leisure time decreased the risk of developing mobility limitations. The incidence of limitations increased progressively with higher workload regardless of level of leisure time physical activity, although the risks tended to be higher among those with sedentary leisure time compared with their active counterparts. All in all, the risk for onset of mobility limitations was highest among those with heavy workload combined with sedentary leisure time and lowest among those with light workload combined with active leisure time. Conclusions: Although leisure time physical activity prevents development of mobility decline, high workload seems to accelerate the progression of mobility limitations among both those with active and sedentary leisure time. Therefore, efforts should be made to recommend people to engage in physical activity regardless of their physical workload.
机译：目的：检查最初工作良好的中年工人的体力劳动量和休闲时间体力活动的个人以及联合关联与事故机动性限制。方法：本研究基于丹麦关于工作，失业和健康的纵向研究的6年随访数据。身体负荷是在基线时报告的，分为轻度，中度或重度。根据当前有关体育活动的建议，基准休闲时间的体育活动水平分为久坐或活跃。在随访期间评估了最初运行良好的工人（分别为n = 3202和n = 2821）在爬楼梯和跑步时行动受限的发生率。结果：工作量增加，而积极的休闲时间减少了行动不便的风险。不管休闲时间的身体活动水平如何，随着工作量的增加，限制的发生率逐渐增加，尽管久坐休闲时间的风险与活跃的相比，风险往往更高。总而言之，在工作量大且久坐的休闲时间中，出现行动受限的风险最高，而在工作量轻而活动的休闲时间中，活动受限的风险最低。结论：尽管休闲时间的体育锻炼阻止了活动能力下降的发展，但高工作量似乎加快了活动时间和久坐休闲时间的活动性限制的发展。因此，无论他们的工作量如何，都应努力推荐人们进行体育锻炼。

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