儿童早期暴露与北卡罗来纳州公立学校四年级学生 (2013-2016) 标准化测试成绩之间的关系的空间变量
Mercedes A Bravo1,2, Daniel R Kowal3,4, Dominique Zephyr2
1Global Health Institute, School of Medicine, Duke University, Durham, North Carolina, USA.
Environmental health perspectives
|September 3, 2024
概括
童年暴露会对小学生的学业表现产生负面影响. 血含量与测试分数之间的关联在北卡罗来纳州社区之间有很大差异,这突显了针对性干预的必要性.
科学领域:
- 环境健康 环境健康
- 儿科健康 儿科健康
- 教育成果的教育成果
背景情况:
- 儿童暴露对认知发展和学业成绩构成重大风险.
- 暴露对小学成绩的影响的地理差异尚未得到充分了解.
研究的目的:
- 估计血含量 (BLLs) 与北卡罗来纳州四年级阅读和数学标准化测试成绩之间的关联.
- 模拟这些关联在不同社区的空间上如何变化.
主要方法:
- 将地理编码测试成绩与出生记录和来自北卡罗来纳州儿童血登记处的血数据联系起来.
- 利用空间变化系数模型与高斯马尔科夫随机场来估计全球和人口普查区特定的关联.
- 经过对母婴共变量进行调整,分析了分为四个级别的BLL.
主要成果:
- 在北卡罗来纳州,较高的BLL与较低的阅读和数学测试成绩有关.
- 空间变化的系数显示了BLL对人口普查区测试成绩的影响的显著异质性.
- 根据地理位置,BLL和测试成绩之间的关联的大小差异很大.
结论:
- 暴露和学业成绩之间的关系不均,在北卡罗来纳州内显示出相当大的地理差异.
- 公共卫生策略应普遍解决暴露问题,重点努力在经历更大的认知影响的社区.
- 调查结果强调了局部预防和减轻暴露的重要性,以保护儿童的教育未来.
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