有多近,有多远? 将健康结果与建筑环境的空间分布联系起来
Adam T Peterson1, Veronica J Berrocal2, Emma V Sanchez-Vaznaugh3
1Department of Biostatistics, University of Michigan-Ann Arbor.
The annals of applied statistics
|November 28, 2024
概括
学校附近的快餐餐厅 (FFR) 的空间分布影响了儿童肥胖风险. 距离FFR更远的学校在9年级学生中显示肥胖率较低,这表明建筑环境影响健康行为.
科学领域:
- 环境健康 环境健康
- 空间流行病学 空间流行病学
- 生物统计学 生物统计学
背景情况:
- 建筑环境特征 (BEFs) 影响健康行为和结果.
- 快餐餐厅 (FFR) 的近距离和密度是影响儿童肥胖的潜在BEF.
研究的目的:
- 调查FFRs的空间分布与学龄儿童肥胖风险之间的关系.
- 开发和应用一个新的贝叶斯层次模型框架用于空间暴露分析.
主要方法:
- 采用了两阶段的贝叶斯层次模型.
- 阶段1:模拟FFR距离从学校使用不均的Poisson过程 (IPP) 与嵌套的迪里克莱特过程的先验.
- 第二阶段:使用集群指标或贝叶斯核心机器回归,与肥胖风险相关的FFR暴露模式.
主要成果:
- 2010年对加利福尼亚学童的分析揭示了FFR暴露的显著空间模式.
- 在半径为1英里的范围内,远距离FFR始终较远的学校与9年级学生的肥胖率较低有关.
结论:
- 建筑环境的空间布局,特别是FFRs,与儿童肥胖症有关.
- 贝叶斯的非参数和回归方法可以有效地建模复杂的空间暴露-肥胖关系.
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