小班对与感染有关的缺课的影响:来自Project STAR随机对照试验的证据
1Center for Health and Social Policy, LBJ School of Public Affairs, University of Texas, Austin, USA. paulvonhippel@utexas.edu.
BMC public health
|January 3, 2024
概括
较小的班级规模减少了学生的缺席率,但在社区疾病高发期没有显著增加. 这表明,仅仅是小班级可能不足以制呼吸道病毒在学校传播.
科学领域:
- 教育教育教育教育教育教育.
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 在疫情期间,学校减少了班级规模,以限制病毒传播.
- 班级规模对教育环境中的疾病传播的影响仍然不清楚.
研究的目的:
- 为了研究较小的班级规模对学生缺席的影响.
- 确定在社区疾病流行率高的时期,较小的班级是否能更显著地减少缺席.
主要方法:
- 利用了来自STAR项目的数据,这是一个随机对照试验,涉及10,816名小学学生.
- 将STAR项目数据与社区肺炎和流感死亡率数据合并.
- 使用回归分析来评估班级规模对缺勤的影响及其与疾病流行率的相互作用.
主要成果:
- 较小的班级 (13-17名学生) 与较大的班级 (22-26名学生) 相比,每年的学生缺勤减少了0.43天.
- 在较小的班级规模和社区肺炎/流感患病率之间没有发现显著的相互作用.
- 与较小班级相关的缺席率的减少并没有根据社区疾病水平的高而有所变化.
结论:
- 虽然较小的班级规模可以减少学生缺勤,但在疾病流行率高的时期,这种效应不会放大.
- 观察到的缺勤率的减少可能不能直接归因于感染率的降低.
- 仅仅实施较小的班级规模可能不足以有效地缓解学校呼吸道病毒的传播.
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