GSTDTAP  > 资源环境科学
DOI10.1289/EHP3130
Estimating the Effects of PM2.5 on Life Expectancy Using Causal Modeling Methods
Schwartz, Joel D.1; 39;ayan2
2018-12-01
发表期刊ENVIRONMENTAL HEALTH PERSPECTIVES
ISSN0091-6765
EISSN1552-9924
出版年2018
卷号126期号:12
文章类型Article
语种英语
国家USA; Israel
英文摘要

BACKGROUND: Many cohort studies have reported associations between PM(2.5 )and the hazard of dying, but few have used formal causal modeling methods, estimated marginal effects, or directly modeled the loss of life expectancy.


OBJECTIVE: Our goal was to directly estimate the effect of PM2.5 on the distribution of life span using causal modeling techniques.


METHODS: We derived nonparametric estimates of the distribution of life expectancy as a function of PM2.5 using data from 16,965,154 Medicare beneficiaries in the Northeastern and mid-Atlantic region states (129,341,959 person-years of follow-up and 6,334,905 deaths). We fit separate inverse probability-weighted logistic regressions for each year of age to estimate the risk of dying at that age given the average PM2.5 concentration at each subject's residence ZIP code in the same year, and we used Monte Carlo simulations to estimate confidence intervals.


RESULTS: The estimated mean age at death for a population with an annual average PM(2.5 )exposure of 12 mu g/m(3) (the 2012 National Ambient Air Quality Standard) was 0.89 y less (95% CI: 0.88, 0.91) than estimated for a counterfactual PM2.5 exposure of 7.5 mu g/m(3). In comparison, life expectancy at 65 y of age increased by 0.9 y between 2004 and 2013 in the United States. We estimated that 23.5% of the Medicare population would die before 76 y of age if exposed to PM2.5 at 12 mu/m(3) compared with 20.1% if exposed to an annual average of 7.5 mu g/m(3).


CONCLUSIONS: We believe that this is the first study to directly estimate the effect of PM2.5 on the distribution of age at death using causal modeling techniques to control for confounding. We find that reducing PM2.5 concentrations below the 2012 U.S. annual standard would substantially increase life expectancy in the Medicare population.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000455204500003
WOS关键词PARTICULATE AIR-POLLUTION ; EXTENDED FOLLOW-UP ; VASCULAR FUNCTION ; CHRONIC EXPOSURE ; MATTER EXPOSURE ; FINE PARTICLES ; MORTALITY ; HEALTH ; FILTRATION ; INFERENCE
WOS类目Environmental Sciences ; Public, Environmental & Occupational Health ; Toxicology
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Toxicology
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/23323
专题资源环境科学
作者单位1.Harvard TH Chan Sch Publ Hlth, Dept Environm Hlth, Boston, MA USA;
2.Ben Gurion Univ Negev, Dept Geog & Environm Dev, Beer Sheva, Israel;
3.Harvard TH Chan Sch Publ Hlth, Dept Biostat, Boston, MA USA
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GB/T 7714
Schwartz, Joel D.,39;ayan. Estimating the Effects of PM2.5 on Life Expectancy Using Causal Modeling Methods[J]. ENVIRONMENTAL HEALTH PERSPECTIVES,2018,126(12).
APA Schwartz, Joel D.,&39;ayan.(2018).Estimating the Effects of PM2.5 on Life Expectancy Using Causal Modeling Methods.ENVIRONMENTAL HEALTH PERSPECTIVES,126(12).
MLA Schwartz, Joel D.,et al."Estimating the Effects of PM2.5 on Life Expectancy Using Causal Modeling Methods".ENVIRONMENTAL HEALTH PERSPECTIVES 126.12(2018).
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