Kontostoli Elli, Jones Andy P, Pearson Natalie, Foley Louise, Biddle Stuart J H, Atkin Andrew J
School of Health Sciences, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK.
Norwich Medical School, Faculty of Medicine and Health Sciences, University of East Anglia, Norwich, UK.
Obes Rev. 2021 Sep;22(9):e13263. doi: 10.1111/obr.13263. Epub 2021 Jun 3.
Sedentary behaviors are highly prevalent in youth and may be associated with markers of physical and mental health. This systematic review and meta-analysis aimed to quantify the age-related change in sedentary behavior during childhood and adolescence. Ten electronic databases were searched. Inclusion criteria specified longitudinal observational studies or control group from an intervention; participants aged ≥5 and ≤18 years; a quantitative estimate of the duration of SB; and English language, peer-reviewed publication. Meta-analyses summarized weighted mean differences (WMD) in device-assessed sedentary time and questionnaire-assessed screen-behaviors over 1-, 2-, 3-, or more than 4-year follow-up. Effect modification was explored using meta-regression. Eighty-five studies met inclusion criteria. Device-assessed sedentary time increased by (WMD 95% confidence interval [CI]) 27.9 (23.2, 32.7), 61.0 (50.7, 71.4), 63.7 (53.3, 74.0), and 140.7 (105.1, 176.4) min/day over 1-, 2-, 3-, and more than 4-year follow-up. We observed no effect modification by gender, baseline age, study location, attrition, or quality. Questionnaire-assessed time spent playing video games, computer use, and a composite measure of sedentary behavior increased over follow-up duration. Evidence is consistent in showing an age-related increase in various forms of sedentary behavior; evidence pertaining to variability across socio-demographic subgroups and contemporary sedentary behaviors are avenues for future research.
久坐行为在青少年中非常普遍，可能与身心健康指标有关。本系统评价和荟萃分析旨在量化儿童和青少年时期久坐行为随年龄的变化。检索了10个电子数据库。纳入标准规定为纵向观察性研究或干预的对照组；年龄≥5岁且≤18岁的参与者；久坐行为持续时间的定量估计；以及英文、经同行评审的出版物。荟萃分析总结了在1年、2年、3年或4年以上随访期间，通过设备评估的久坐时间和通过问卷评估的屏幕行为的加权平均差异（WMD）。使用元回归探讨效应修正。85项研究符合纳入标准。在1年、2年、3年和4年以上的随访中，通过设备评估的久坐时间每天增加（WMD 95%置信区间[CI]）27.9（23.2，32.7）、61.0（50.7，71.4）、63.7（53.3，74.0）和140.7（105.1，176.4）分钟。我们未观察到性别、基线年龄、研究地点、损耗或质量对效应的修正作用。通过问卷评估的玩电子游戏时间、使用电脑时间以及久坐行为的综合测量值在随访期间有所增加。有证据一致表明各种形式的久坐行为随年龄增长而增加；关于社会人口亚组间差异和当代久坐行为的证据是未来研究的方向。
