总降水量与腹发病率之间的关联:跨不同气候区的多国研究
Rui Pan1, Paul L C Chua1, Lina Madaniyazi2
1Department of Global Health Policy, Graduate School of Medicine, University of Tokyo, Bunkyo-ku, Tokyo, Japan.
降雨影响腹风险在不同国家和气候区不同,观察到不同的暴露-反应曲线. 定制的预防策略对于减轻与降雨模式相关的腹负担至关重要.
科学领域:
- 环境流行病学环境流行病学
- 公共卫生 公共卫生
- 气候变化的影响 气候变化的影响
背景情况:
- 现有的研究将降水与低收入和中等收入国家的腹联系起来.
- 有限的多国研究已经在中高收入国家探索了降水-腹关系.
- 该研究解决了了解不同地区和气候区不同暴露-反应曲线的需要.
研究的目的:
- 在中高收入国家全面分析降水与腹发病率之间的关联.
- 调查不同国家/地区降水和腹之间的暴露-反应曲线的形状.
- 探索气候区 (热带,干旱,温带,寒冷) 如何影响降水-腹关系.
主要方法:
- 从39个国家/地区的904个地点收集了每周的腹数据.
- 在分布式滞后非线性模型 (DLNM) 中使用了时间分层的案例交叉分析,滞后时间为8周.
- 采用多变量元回归来汇集国家一级和气候区特定的估计.
主要成果:
- 分析了超过1.6亿例腹病例,揭示了降水-腹关联在各国的实质性差异.
- 观察到不同的曲线形状 (U形,J形,V形),并确定了与降水相关的腹风险增加或减少的区域.
- 在干旱地区发现较强的关联,在寒冷地区发现较弱的关联,具体国家相对风险差异很大.
结论:
- 降水与腹的关联在各国和气候区之间表现出显著的异质性.
- 这些发现强调了特定位置因素对于了解腹负担的重要性.
- 建议量身定制,特定于地点的预防措施,以有效地减轻与降水相关的腹.
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