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Low radon exposures and lung cancer risk: joint analysis of the Czech, French, and Beaverlodge cohorts of uranium miners
RSD. Lane, L. Tomášek, LB. Zablotska, E. Rage, F. Momoli, J. Little,
Language English Country Germany
Document type Journal Article
NLK
ProQuest Central
from 2003-01-01 to 1 year ago
Medline Complete (EBSCOhost)
from 2000-01-01 to 1 year ago
Health & Medicine (ProQuest)
from 2003-01-01 to 1 year ago
Public Health Database (ProQuest)
from 2003-01-01 to 1 year ago
- MeSH
- Miners * MeSH
- Cohort Studies MeSH
- Tobacco Smoking MeSH
- Middle Aged MeSH
- Humans MeSH
- Lung Neoplasms epidemiology mortality MeSH
- Neoplasms, Radiation-Induced epidemiology mortality MeSH
- Occupational Diseases epidemiology MeSH
- Occupational Exposure adverse effects MeSH
- Radon adverse effects MeSH
- Aged, 80 and over MeSH
- Aged MeSH
- Uranium * MeSH
- Check Tag
- Middle Aged MeSH
- Humans MeSH
- Male MeSH
- Aged, 80 and over MeSH
- Aged MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Czech Republic MeSH
- France MeSH
- Canada MeSH
It is well established that high radon exposures increase the risk of lung cancer mortality. The effects of low occupational exposures and the factors that confound and modify this risk are not clear and are needed to inform current radiation protection of miners. The risk of lung cancer mortality at low radon exposures (< 100 working-level months) was assessed in the joint cohort analysis of Czech, French, and Canadian uranium miners, employed in 1953 or later. Statistical analysis was based on linear Poisson regression modeling with grouped cohort survival data. Two sensitivity analyses were used to assess potential confounding from tobacco smoking. A statistically significant linear relationship between radon exposure and lung cancer mortality was found. The excess relative risk per working-level month was 0.022 (95% confidence intervals: 0.013-0.034), based on 408 lung cancer deaths and 394,236 person-years of risk. Time since exposure was a statistically significant modifier; risk decreased with increasing time since exposure. A tendency for a decrease in risk with increasing attained age was observed, but this was not statistically significant. Exposure rate was not found to be a modifier of the excess relative risk. The potential confounding effect of tobacco smoking was estimated to be small and did not substantially change the radon-lung cancer mortality risk estimates. This joint cohort analysis provides strong evidence for an increased risk of lung cancer mortality from low occupational radon exposures. The results suggest that radiation protection measures continue to be important among current uranium miners.
References provided by Crossref.org
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- $a Lane, Rachel S D $u School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Room 101, 600 Peter Morand Crescent, Ottawa, ON, K1G 5Z3, Canada. rachel.lane@canada.ca. Directorate of Environmental and Radiation Protection and Assessment (DERPA), Canadian Nuclear Safety Commission (CNSC), 280 Slater Street, Station B, P.O. Box 1046, Ottawa, ON, K1P 5S9, Canada. rachel.lane@canada.ca.
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- $a Low radon exposures and lung cancer risk: joint analysis of the Czech, French, and Beaverlodge cohorts of uranium miners / $c RSD. Lane, L. Tomášek, LB. Zablotska, E. Rage, F. Momoli, J. Little,
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- $a It is well established that high radon exposures increase the risk of lung cancer mortality. The effects of low occupational exposures and the factors that confound and modify this risk are not clear and are needed to inform current radiation protection of miners. The risk of lung cancer mortality at low radon exposures (< 100 working-level months) was assessed in the joint cohort analysis of Czech, French, and Canadian uranium miners, employed in 1953 or later. Statistical analysis was based on linear Poisson regression modeling with grouped cohort survival data. Two sensitivity analyses were used to assess potential confounding from tobacco smoking. A statistically significant linear relationship between radon exposure and lung cancer mortality was found. The excess relative risk per working-level month was 0.022 (95% confidence intervals: 0.013-0.034), based on 408 lung cancer deaths and 394,236 person-years of risk. Time since exposure was a statistically significant modifier; risk decreased with increasing time since exposure. A tendency for a decrease in risk with increasing attained age was observed, but this was not statistically significant. Exposure rate was not found to be a modifier of the excess relative risk. The potential confounding effect of tobacco smoking was estimated to be small and did not substantially change the radon-lung cancer mortality risk estimates. This joint cohort analysis provides strong evidence for an increased risk of lung cancer mortality from low occupational radon exposures. The results suggest that radiation protection measures continue to be important among current uranium miners.
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- $a Tomášek, Ladislav $u National Radiation Protection Institute (SURO), Bartoskova 28, 140 00, Prague, Czech Republic.
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