河南省安阳市大气污染物混合暴露对人群非意外死亡联合效应分析Joint effect analysis of atmospheric pollutants on non-accidental mortality in Anyang, Henan
杨似玉,郭大城,张杰,王永星,闫晓娜,彭靖,张书芳
摘要(Abstract):
目的 探索大气污染物混合暴露对人群非意外死亡风险,识别大气污染物健康影响关键组分,为大气污染物联合防控提供依据。方法 收集2017—2021年河南省安阳市每日死亡个案数据、同期大气污染物浓度数据及气象数据,采用广义相加模型(GAM)评估大气单污染物暴露对非意外死亡影响,分别利用贝叶斯核机器回归(BKMR)及加权分位数和回归(gWQS)评估多种污染物混合暴露对人群死亡联合效应,并根据先验包含概率(groupPIP)和权重大小识别大气污染物健康影响关键组分。结果 2017—2021年安阳市大气PM_(2.5)、PM_(10)、NO_2、SO_2、O_3的平均浓度分别为67.99、119.50、39.19、17.69、110.73μg/m~3,CO的平均浓度为1.34 mg/m~3。BKMR结果显示大气污染混合物浓度(ln转化后)从P_(25)上升到P_(75)时,非意外死亡风险增加0.053个单位(P<0.05)。gWQS分析显示污染物均上升1个四分位数,总人群非意外死亡ER值为3.951%(95%CI:1.306%~6.666%)。CO、SO_2、NO_2的组别PIP均大于研究阈值0.40,且平均权重均较大。结论 空气污染物混合暴露对非意外死亡存在正向健康风险,CO、SO_2、NO_2可能为关键组分,污染物混合暴露联合健康效应较单污染物健康效应更加复杂。
关键词(KeyWords): 大气污染物;混合暴露;贝叶斯核机器回归;加权分位数和回归;非意外死亡
基金项目(Foundation): 河南省医学科技攻关计划联合共建项目(LHGJ20240601)
作者(Author): 杨似玉,郭大城,张杰,王永星,闫晓娜,彭靖,张书芳
DOI: 10.13515/j.cnki.hnjpm.1006-8414.2025.09.004
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