Document Detail

Effect of air pollution control on life expectancy in the United States: an analysis of 545 U.S. counties for the period from 2000 to 2007.
MedLine Citation:
PMID:  23211349     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: In recent years (2000-2007), ambient levels of fine particulate matter (PM2.5) have continued to decline as a result of interventions, but the decline has been at a slower rate than previous years (1980-2000). Whether these more recent and slower declines of PM2.5 levels continue to improve life expectancy and whether they benefit all populations equally is unknown.
METHODS: We assembled a data set for 545 U.S. counties consisting of yearly county-specific average PM2.5, yearly county-specific life expectancy, and several potentially confounding variables measuring socioeconomic status, smoking prevalence, and demographic characteristics for the years 2000 and 2007. We used regression models to estimate the association between reductions in PM2.5 and changes in life expectancy for the period from 2000 to 2007.
RESULTS: A decrease of 10 μg/m in the concentration of PM2.5 was associated with an increase in mean life expectancy of 0.35 years (SD = 0.16 years, P = 0.033). This association was stronger in more urban and densely populated counties.
CONCLUSIONS: Reductions in PM2.5 were associated with improvements in life expectancy for the period from 2000 to 2007. Air pollution control in the last decade has continued to have a positive impact on public health.
Andrew W Correia; C Arden Pope; Douglas W Dockery; Yun Wang; Majid Ezzati; Francesca Dominici
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Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Epidemiology (Cambridge, Mass.)     Volume:  24     ISSN:  1531-5487     ISO Abbreviation:  Epidemiology     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-12-12     Completed Date:  2013-05-30     Revised Date:  2014-01-09    
Medline Journal Info:
Nlm Unique ID:  9009644     Medline TA:  Epidemiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  23-31     Citation Subset:  IM    
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MeSH Terms
Aged, 80 and over
Air Pollutants / analysis,  toxicity*
Air Pollution / adverse effects,  analysis,  prevention & control*,  statistics & numerical data
Cross-Sectional Studies
Environmental Exposure / adverse effects,  analysis,  prevention & control*
Environmental Monitoring
Life Expectancy / trends*
Linear Models
Particulate Matter / analysis,  toxicity*
United States
Urban Health
Grant Support
ES000002/ES/NIEHS NIH HHS; ES012054/ES/NIEHS NIH HHS; ES019560/ES/NIEHS NIH HHS; P01 ES009589/ES/NIEHS NIH HHS; R01 ES012054/ES/NIEHS NIH HHS; T32ES007142/ES/NIEHS NIH HHS; //Medical Research Council
Reg. No./Substance:
0/Air Pollutants; 0/Particulate Matter
Comment In:
Epidemiology. 2013 Jul;24(4):627-8   [PMID:  23732745 ]
Epidemiology. 2013 Jan;24(1):32-4   [PMID:  23232610 ]
Epidemiology. 2013 Jul;24(4):628   [PMID:  23732746 ]

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