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Am J Public Health. 2007 Mar;97(3):545-51. Epub 2007 Jan 31.

Lung cancer risk and workplace exposure to environmental tobacco smoke.

Author information

  • 1School of Public Health, Division of Epidemiology and Biostatistics, University of Illinois, Chicago, IL 60612, USA. lstayner@uic.edu

Abstract

OBJECTIVES:

We sought to quantitatively evaluate the association between work-place environmental tobacco smoke exposure and lung cancer.

METHODS:

We performed a meta-analysis in 2003 of data from 22 studies from multiple locations worldwide of workplace environmental tobacco smoke exposure and lung cancer risk. Estimates of relative risk from these studies were analyzed by fitting the data to fixed and mixed effects models. Analyses of highly exposed workers and of the relationship between duration of exposure and lung cancer were also performed.

RESULTS:

The meta-analysis indicated a 24% increase in lung cancer risk (relative risk [RR]=1.24; 95% confidence interval [CI]=1.18, 1.29) among workers exposed to environmental tobacco smoke. A 2-fold increased risk (RR=2.01; 95% CI=1.33, 2.60) was observed for workers classified as being highly exposed to environmental tobacco smoke. A strong relationship was observed between lung cancer and duration of exposure to environmental tobacco smoke.

CONCLUSIONS:

The findings from this investigation provide the strongest evidence to date that exposure to environmental tobacco smoke in the workplace is associated with an increased risk of lung cancer.

PMID:
17267733
[PubMed - indexed for MEDLINE]
PMCID:
PMC1805004
Free PMC Article

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