A systematic literature review with meta-analyses of within- and between-day differences in objectively measured physical activity in school-aged children.
A systematic literature review with meta-analyses of within- and between-day differences in objectively measured physical activity in school-aged children.
复制标题
DOI：
10.1007/s40279-014-0215-5
复制
发表时间：
2014-10
期刊：
影响因子：
--
通讯作者：
van Sluijs EM
中科院分区：
文献类型：
--
作者：
Brooke HL;Corder K;Atkin AJ;van Sluijs EM
针对一天或一周的特定时间段可能会加强对青少年的身体活动 (PA) 干预。目前尚不清楚最谨慎的目标时间段。系统回顾描述年轻人在工作日与周末、在校与校外、周末与校外以及上课时间与休息时间客观测量的 PA 差异的文献。在电子数据库中搜索了学龄儿童（4-18 岁）的英语横断面研究，报告了从 01/1990 到 01/2013 期间特定时间段的加速度计测量的 PA。我们对每分钟平均加速度计计数 (TPA) 和中度至剧烈 PA (MVPA) 分钟数的时间段之间的标准化平均差 (SMD) 进行了荟萃分析。 SMD 以标准差为单位报告； 0.2、0.5和0.8代表小、中和大影响。使用元回归（潜在的效应调节因素：年龄、性别和研究环境）探索异质性。在 54 项纳入研究中，37 项符合荟萃分析条件。儿童在工作日比周末更活跃 [汇总 SMD (95% CI) TPA 0.14 (0.08; 0.20)，MVPA 0.42 (0.35; 0.49)]。上学期间，校内 TPA 低于校外；然而，学校积累的 MVPA 略多[TPA -0.24 (-0.40; -0.08)，MVPA 0.17 (-0.03; 0.38)]。周末的 TPA 略低于上学日放学时的水平，但周末进行的 MVPA 绝对量更大 [TPA -0.10 (-0.19; -0.01)，MVPA 1.02 (0.82; 1.23)]。研究之间的异质性很高 (I 2 73.3–96.3%)，研究之间有 20.3–53.1% 的差异可归因于潜在的调节因素。学龄儿童在工作日比周末更活跃。结果测量会影响其他比较的结论。研究结果支持针对特定时间段定制干预策略。本文的在线版本 (doi:10.1007/s40279-014-0215-5) 包含补充材料，可供授权用户使用。
Targeting specific time periods of the day or week may enhance physical activity (PA) interventions in youth. The most prudent time segments to target are currently unclear. To systematically review the literature describing differences in young people’s objectively measured PA on weekdays vs. weekends, in school vs. out of school, weekends vs. out of school and lesson time vs. break time. Electronic databases were searched for English-language, cross-sectional studies of school-aged children (4–18 years) reporting time-segment-specific accelerometer-measured PA from 01/1990 to 01/2013. We meta-analysed standardised mean differences (SMD) between time segments for mean accelerometer counts per minute (TPA) and minutes in moderate-to-vigorous PA (MVPA). SMD is reported in units of standard deviation; 0.2, 0.5 and 0.8 represent small, moderate and large effects. Heterogeneity was explored using meta-regression (potential effect modifiers: age, sex and study setting). Of the 54 included studies, 37 were eligible for meta-analyses. Children were more active on weekdays than weekends [pooled SMD (95 % CI) TPA 0.14 (0.08; 0.20), MVPA 0.42 (0.35; 0.49)]. On school days, TPA was lower in school than out of school; however, marginally more MVPA was accumulated in school [TPA −0.24 (−0.40; −0.08), MVPA 0.17 (−0.03; 0.38)]. TPA was slightly lower on weekends than out of school on school days, but a greater absolute volume of MVPA was performed on weekends [TPA −0.10 (−0.19; −0.01), MVPA 1.02 (0.82; 1.23)]. Heterogeneity between studies was high (I 2 73.3–96.3 %), with 20.3–53.1 % of variance between studies attributable to potential moderating factors. School-aged children are more active on weekdays than weekend days. The outcome measure influences the conclusions for other comparisons. Findings support the tailoring of intervention strategies to specific time periods. The online version of this article (doi:10.1007/s40279-014-0215-5) contains supplementary material, which is available to authorized users.
登录
查看更多内容
影响因子：
120.7
作者：
Ekelund, Ulf;Luan, Jian'an;Sherar, Lauren B.;Esliger, Dale W.;Griew, Pippa;Cooper, Ashley
通讯作者：
Cooper, Ashley
影响因子：
5.5
作者：
Cooper, AR;Page, AS;Qahwaji, D
通讯作者：
Qahwaji, D
影响因子：
--
作者：
COOK, NR;COHEN, J;HENNEKENS, CH
通讯作者：
HENNEKENS, CH
影响因子：
16.2
作者：
Brage, S;Wedderkopp, N;Froberg, K
通讯作者：
Froberg, K
使用可穿戴摄像机对体育活动的加速度计识别发作的类型和上下文进行分类。
DOI：
10.1186/1479-5868-10-22
发表时间：
2013-02-13
期刊：
The international journal of behavioral nutrition and physical activity
影响因子：
--
作者：
Doherty AR;Kelly P;Kerr J;Marshall S;Oliver M;Badland H;Hamilton A;Foster C
通讯作者：
Foster C