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身体活动与久坐行为在巴西青少年中的稳定性及其双向关系:一项学校队列研究的纵向发现。

Stability and bidirectional relationship between physical activity and sedentary behaviours in Brazilian adolescents: Longitudinal findings from a school cohort study.

机构信息

Department of Public Health and Policy, University of Liverpool, Liverpool, United Kingdom.

Aging Research Center, Karolinska Institute, Stockholm, Sweden.

出版信息

PLoS One. 2019 Jan 25;14(1):e0211470. doi: 10.1371/journal.pone.0211470. eCollection 2019.

DOI:10.1371/journal.pone.0211470
PMID:30682158
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6347236/
Abstract

PURPOSE

We investigated the stability, correlations and bidirectional relationship of light physical activities (PA), moderate and vigorous PA (MVPA), television viewing (TV) and video game/computer use (VG) in Brazilian adolescents.

METHODS

Adolescent Nutritional Assessment Longitudinal Study-ELANA is a middle school cohort study conducted in Rio de Janeiro-Brazil in 2010-2012. Self-reported data on PA (International Physical Activity Questionnaire- IPAQ) and screen activities were obtained from 810 adolescents (mean ages of 10.9 years old (SD 0.78) for girls; 11 years old (SD 0.85) for boys) to perform autoregressive cross-lagged structural equation models in two time points for PA and three time points for screen activities.

RESULTS

There was no significant stability of light PA and MVPA for boys and girls. Moderate stability of screen activities were found for both genders, with a significant coefficient of TV for boys (T1-T2:0.29; T2-T3:0.27 p<0.001); and VG for boys (T1-T2:0.33; T2-T3:0.35 p<0.001) and girls (T1-T2: 0.26; T2-T3:0.37 p<0.01). Significant lagged effects were obtained only among girls: light PA had effect on VG (-0.10 p<0.01), as well as in the opposite direction of TV on light PA (-0.03 p<0.01) and TV on MVPA (-0.11 p<0.01).

CONCLUSION

The light PA, MVPA and screen activities (among girls) did not demonstrate stability over time. A warning scenario was suggested by the stability of high amounts of screen activities among boys over time. Screen activities had bidirectional association with light PA and MVPA among girls over time.

摘要

目的

我们研究了巴西青少年的轻体力活动(PA)、中高强度体力活动(MVPA)、看电视(TV)和玩视频游戏/使用电脑(VG)的稳定性、相关性和双向关系。

方法

青少年营养评估纵向研究-ELANA 是 2010-2012 年在巴西里约热内卢进行的一项中学队列研究。从 810 名青少年(女孩平均年龄为 10.9 岁(SD 0.78);男孩为 11 岁(SD 0.85))获得自我报告的 PA(国际体力活动问卷- IPAQ)和屏幕活动数据,以在两个时间点对 PA 和三个时间点对屏幕活动进行自回归交叉滞后结构方程模型。

结果

男孩和女孩的轻 PA 和 MVPA 均无显著稳定性。发现屏幕活动有中度稳定性,两性均如此,男孩的 TV 显著系数(T1-T2:0.29;T2-T3:0.27 p<0.001);男孩的 VG(T1-T2:0.33;T2-T3:0.35 p<0.001)和女孩(T1-T2:0.26;T2-T3:0.37 p<0.01);女孩的 VG 显著滞后效应(T1-T2:0.10 p<0.01)以及相反方向的 TV 对轻 PA(T1-T2:0.03 p<0.01)和 TV 对 MVPA(T1-T2:0.11 p<0.01)。

结论

轻 PA、MVPA 和屏幕活动(女孩)在时间上没有稳定性。男孩长时间高量屏幕活动的稳定性表明存在警告情景。随着时间的推移,屏幕活动与女孩的轻 PA 和 MVPA 之间存在双向关联。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/9918d6e4dc11/pone.0211470.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/4c68c96fa59f/pone.0211470.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/cab162210438/pone.0211470.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/9918d6e4dc11/pone.0211470.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/4c68c96fa59f/pone.0211470.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/cab162210438/pone.0211470.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6b5/6347236/9918d6e4dc11/pone.0211470.g003.jpg

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