臭氧和气象因素对死亡风险的影响:10年时间序列研究
Na Cao1,2,3, Xiaojuan Yang4, Yifei Chen1,2,3
1Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, China.
Frontiers in public health
|March 6, 2026
概括
热层臭氧 (O3) 在中国显著增加了因呼吸和循环原因的死亡风险. 这种风险由阳光,季节和温度等天气因素放大,特别是对老年人和女性来说.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 大气科学 大气科学
背景情况:
- 热带层臭氧 (O3) 是中国的主要城市空气污染物.
- 受气象条件影响的O3暴露对公众健康构成重大风险.
- 了解这些相互作用是有效的风险减轻策略的关键.
研究的目的:
- 调查10年来 (2013-2022) 在中国太原的O3暴露和死亡率之间的关系.
- 检查气象因素 (温度,阳光持续时间,季节) 如何改变与O3相关的健康影响.
- 确定受O3和天气相互作用影响的弱势群体.
主要方法:
- 对每日O3度,气象数据和死亡记录 (2013-2022) 的时间序列分析.
- 应用通用添加模型 (GAMs) 来评估O3暴露的滞后效应.
- 研究O3与大气决定因素之间的相互作用.
主要成果:
- 每天平均O3度为92.92μg/m3.
- 暴露于O3与所有原因,呼吸道和循环系统死亡率的增加有显著联系.
- 与阳光持续时间,季节和温度的相互作用显著改变了O3对健康的影响,特别是在女性和老年人身上.
结论:
- 臭氧暴露显然增加了所有原因,呼吸道和循环系统疾病的死亡风险.
- 气象因素,特别是阳光持续时间,季节和温度,与O3相互作用,影响死亡率.
- 考虑到这些互动效应的有针对性的公共卫生干预措施对弱势群体至关重要.
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