孕期绿地暴露的临界窗口对于低出生体重风险的危险
Seulkee Heo1, Kelvin C Fong2, Ji-Young Son1
1School of the Environment, Yale University, New Haven, CT 06511, United States of America.
概括
在怀孕期间,尤其是在早期和晚期,更高的住宅绿地暴露与低出生体重 (TLBW) 的风险降低有关. 这一发现强调了环境因素对健康胎儿发育的重要性.
科学领域:
- 环境流行病学环境流行病学
- 生殖健康 生殖健康
- 公共卫生 公共卫生
背景情况:
- 现有的研究将产前绿色空间暴露与出生体重联系起来,但对于低出生体重 (TLBW) 的临界暴露窗口仍然不清楚.
- 聚合的暴露数据可能会掩盖绿色空间和胎儿发育之间的细微剂量反应关系.
研究的目的:
- 通过增强植被指数 (EVI) 测量每周绿地暴露与TLBW风险之间的关联.
- 为了确定EVI影响TLBW风险的关键妊娠期.
主要方法:
- 一项病例对照研究利用了来自美国三个州的788,275名出生者的出生数据.
- 使用分布式滞后非线性函数的物流回归分析了每周在邮政编码级别 (周0-39) 对TLBW的EVI,并对共变量进行调整.
主要成果:
- 在每周的EVI和TLBW风险之间观察到一个反转的U形关系.
- 显著降低TLBW风险 (ORs从0.989到0.996) 与早期 (周0-7) 和晚期 (周30-39) 怀孕期间更高的EVI有关.
结论:
- 在怀孕早期和晚期增加绿色空间暴露对于减轻TLBW风险至关重要.
- 研究结果支持环境健康政策,促进绿色空间的使用,以改善出生结果.
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