Applied Physiology, Nutrition, and Metabolism, Volume 45, Issue 10 (Suppl. 2), Page S248-S257, October 2020.
This systematic review determined if the composition of time spent in movement behaviours (i.e., sleep, sedentary behaviour (SED), light physical activity, and moderate-to-vigorous physical activity (MVPA)) is associated with health in adults. Five electronic databases were searched in August 2019. Studies were eligible for inclusion if they were peer-reviewed, examined community-dwelling adults, and used compositional data analysis to examine the associations between the composition of time spent in movement behaviours and health outcomes. Eight studies (7 cross-sectional, 1 prospective cohort) of >12 000 unique participants were included. Findings indicated that the 24-h movement behaviour composition was associated with all-cause mortality (1 of 1 analyses), adiposity (4 of 4 analyses), and cardiometabolic biomarkers (8 of 15 analyses). Reallocating time into MVPA from other movement behaviours was associated with favourable changes to most health outcomes and taking time out of SED and reallocating it into other movement behaviours was associated with favourable changes to all-cause mortality. The quality of evidence was very low for all health outcomes. In conclusion, these findings support the notion that the composition of movement across the entire 24-h day matters, and that recommendations for sleep, SED, and physical activity should be combined into a single public health guideline. (PROSPERO registration no.: CRD42019121641.) Novelty The 24-h movement behaviour composition is associated with a variety of health outcomes. Reallocating time into MVPA is favourably associated with health. Reallocating time out of SED is associated with favourable changes to mortality risk.

中文翻译：

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对研究睡眠、久坐行为和身体活动与成人健康结果之间关联的成分数据分析研究的系统评价

应用生理学、营养和代谢，第 45 卷，第 10 期（增刊 2），第 S248-S257 页，2020 年 10 月。
该系统评价确定了花费在运动行为（即睡眠、久坐行为 (SED)、轻度体育活动和中度至剧烈体育活动 (MVPA)）上的时间构成是否与成年人的健康相关。2019 年 8 月检索了五个电子数据库。 如果研究经过同行评审、检查社区居住的成年人并使用成分数据分析来检查运动行为所花费时间的构成与健康结果之间的关联，则这些研究有资格被纳入。纳入了 8 项研究（7 项横断面研究，1 项前瞻性队列），参与者超过 12 000 名。结果表明，24 小时运动行为构成与全因死亡率（1 项分析中的 1 项）、肥胖（4 项分析中的 4 项）和心脏代谢生物标志物（15 项分析中的 8 项）相关。将时间从其他运动行为重新分配到 MVPA 与大多数健康结果的有利变化有关，而从 SED 中抽出时间并将其重新分配到其他运动行为与全因死亡率的有利变化有关。所有健康结果的证据质量都非常低。总之，这些发现支持这样一种观点，即整个 24 小时内的运动构成很重要，并且对睡眠、SED 和身体活动的建议应合并为一个单一的公共卫生指南。（PROSPERO 注册号：CRD42019121641。） 新颖性 24 小时运动行为构成与多种健康结果相关。将时间重新分配到 MVPA 中与健康密切相关。重新分配 SED 的时间与死亡风险的有利变化有关。