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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Predictors for moderate- and vigorous-intensity physical activity during an 18-month coordinated school health intervention
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Predictors for moderate- and vigorous-intensity physical activity during an 18-month coordinated school health intervention

机译：在为期18个月的学校健康干预中，中等强度和剧烈运动的预测指标

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摘要

Objective: To evaluate if the HEROES Initiative, a school-based childhood obesity prevention program based on the U. S. Centers for Disease Control and Prevention (CDC)'s coordinated school health approach was able to effectively increase physical activity among elementary and middle school students who were exposed to the program for 18. months and to determine student and school-level predictors of success. Method: Students who participated in physiological data collection were invited to participate in a survey at baseline, 6. months, and 18. months (N = 1091, 8 schools). The dropout rate at 18. months was 39.1% when graduates were counted. Data was analyzed using generalized estimating equations. Results: A significant increase (p= .0067) was observed in vigorous-intensity physical activity (VPA) but a non-significant increase (p= .1753) was observed in moderate-intensity physical activity (MPA). Each school's implementation fidelity score was also only associated with VPA increases. Students' screen time and vegetable/fruit intake were independently associated with both VPA and MPA increases. Body mass index of students was not predictive of VPA or MPA changes. Conclusion: An 18-month school-based intervention that employs the CDC's coordinated school health approach appears to be effective in increasing physical activity among elementary and middle school children.
机译：目的：评估HEROES Initiative（一项基于美国疾病控制与预防中心（CDC）的协调学校健康方法的以学校为基础的儿童肥胖预防计划）是否能够有效增加中小学生的体育活动参加该计划18个月，并确定学生和学校级别的成功预测指标。方法：邀请参加生理数据收集的学生参加基线，6个月和18个月的调查（N = 1091，8所学校）。计入毕业生的18个月辍学率为39.1％。使用广义估计方程分析数据。结果：剧烈运动强度（VPA）显着增加（p = .0067），中等强度运动强度（MPA）则无显着增加（p = .1753）。每所学校的实施保真度分数也仅与VPA的增加相关。学生的屏幕学习时间和蔬菜/水果摄入量与VPA和MPA的增加均独立相关。学生的体重指数不能预测VPA或MPA的变化。结论：采用CDC协调的学校健康方法进行的为期18个月的基于学校的干预措施似乎对增加中小学生的体育锻炼有效。

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