Adverse health effects of particulate air pollution: modification by air conditioning.
Adverse health effects of particulate air pollution: modification by air conditioning.
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DOI：
10.1097/ede.0b013e3181aba749
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发表时间：
2009-09
期刊：
影响因子：
--
通讯作者：
Dominici F
中科院分区：
文献类型：
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作者：
Bell ML;Ebisu K;Peng RD;Dominici F
颗粒物（PM）对死亡率和发病率的短期影响因地理位置和季节而异。针对这种差异，人们提出了几种假设，包括使用空调与开窗所带来的不同暴露情况。
我们使用贝叶斯分层模型来探究空调普及率是否会改变65岁及以上人群中PM10与死亡率之间以及PM2.5与心血管或呼吸系统住院之间的日常关联。我们考虑了全年、仅夏季和仅冬季的效应估计值以及两种类型的空调（中央空调和窗式空调）。
空调普及率较高的社区，PM的影响较低。我们观察到了心血管住院与中央空调之间的关联。每增加20%使用中央空调的家庭，PM2.5对心血管住院的影响就会降低43%。中央空调普及率解释了心血管住院中PM2.5效应估计值在社区间差异的17%。
空调普及率越高，PM对健康影响的估计值越低。
The short-term effects of particulate matter (PM) on mortality and morbidity differ by geographic location and season. Several hypotheses have been proposed for this variation, including different exposures with air conditioning (AC) versus open windows. Bayesian hierarchical modeling was used to explore whether AC prevalence modified day-to-day associations between PM10 and mortality, and between PM2.5 and cardiovascular or respiratory hospitalizations, for those 65 years and older. We considered yearly, summer-only, and winter-only effect estimates and 2 types of AC (central and window units). Communities with higher AC prevalence had lower PM effects. Associations were observed for cardiovascular hospitalizations and central AC. Each additional 20% of households with central AC was associated with a 43% decrease in PM2.5 effects on cardiovascular hospitalization. Central AC prevalence explained 17% of between-community variability in PM2.5 effect estimates for cardiovascular hospitalizations. Higher AC prevalence was associated with lower health effect estimates for PM.