首页> 美国卫生研究院文献>Preventive Medicine Reports >Impact of a school-level intervention on leisure-time physical activity levels on school grounds in under-resourced school districts
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Impact of a school-level intervention on leisure-time physical activity levels on school grounds in under-resourced school districts

机译:学校级别干预对资源学区休闲时间体育水平的影响

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摘要

Even the best school physical education programs fall short of providing enough physical activity (PA) to meet students’ PA guidelines thus increasing PA at other times throughout the school day could help students meet recommended PA levels. Unstructured leisure-time periods during the school day represent an opportunity to promote PA, particularly among students in underserved school districts. Between 2014 and 2018, we partnered with 14 elementary and 5 secondary schools in low-income Latino communities to increase students’ leisure time moderate to vigorous physical activity (MVPA). Schools received consultation and technical assistance on their wellness policy, and some created wellness committees. Schools selected 1–2 PAutrition promotion activities for the academic year. Following the System for Observing Play and Leisure Activity in Youth protocol, we conducted a pre- vs. post- analysis of observations of school time student PA (levels of MVPA, energy expenditure, proportion of areas in which games and sports were prominent) in 4936 pre-intervention play areas and 4404 post-intervention areas before school, during lunch recess, and after school. We utilized linear and logistic regression analyses to test pre/post changes in these dependent variables using school area characteristics, period of observation, and temperature as covariates. Following our intervention, MVPA levels before school, during lunch recess, and after school increased significantly from 19.8% at baseline to 25.6% among elementary girls and from 25.4% to 33.2% among elementary boys. Decomposition of these effects suggested that the benefits were partially mediated by increased adult playground supervision. We did not observe any significant changes in PA levels among secondary school girls or boys. Our school-level intervention aimed at promoting PA was associated with modest but meaningful increases in leisure-time PA among elementary, but not secondary, school students. The effects were attributable in part to increased adult supervision on the playground.
机译:即使是最好的学校体育计划缺乏提供足够的体力活动(PA),以满足学生的PA指南,因此在整个上学日陪同PA,可以帮助学生满足推荐的PA水平。学校日期的非结构化休闲时期代表了促进PA的机会,特别是在所提供的学区的学生中。在2014年至2018年间,我们与低收入拉丁裔社区中的14名中学和5所中学合作,以增加学生的休闲时间适度以剧烈的身体活动(MVPA)。学校收到了对其健康政策的磋商和技术援助,以及一些创造的健康委员会。学校为学年选择了1-2个PA /营养促销活动。在系统中观察播放和休闲活动的系统之后,我们进行了对学校时间学生PA的观察的预期分析(MVPA的水平,游戏和运动突出的区域) 4936在午餐休息期间和放学后,学校前4404次出入前的介入游戏区域和4404次。我们利用线性和逻辑回归分析来测试使用学校区域特征,观察期和温度作为协变量的这些依赖变量的预/后变化。在我们的干预后,学校前的MVPA水平在午餐休息期间,放学后,在基准的19.8%上提高了19.8%,在小学生中的25.6%,小学男孩之间的25.4%至33.2%。这些效果的分解表明,通过增加成年操场监督,部分介导的益处。我们没有观察中学女孩或男孩之间的PA水平的任何重大变化。我们旨在促进PA的学校级干预与小学生,而不是中学生之间的休闲时间众多,休闲但有意义地增加。这些效果部分地归属于在操场上增加成人监督。

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