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Lung cancer and occupation in a population-based case-control study.
Dario Consonni1, Sara De Matteis, Jay H Lubin
1Unit of Epidemiology, Department of Preventive Medicine, Fondazione IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Via San Barnaba, 8, 20122 Milano, Italy. dario.consonni@unimi.it
American Journal of Epidemiology
|January 6, 2010
Summary
Occupational exposures significantly increase lung cancer risk, particularly for men in specific jobs. Nearly 5% of male lung cancers may be linked to past workplace carcinogen exposure.
Area of Science:
- Epidemiology
- Occupational Health
- Environmental Health
Background:
- Lung cancer is a major public health concern with multifactorial causes.
- The role of occupational exposures as a determinant of lung cancer risk requires ongoing investigation.
Purpose of the Study:
- To investigate the association between occupation and lung cancer risk.
- To quantify the proportion of lung cancer cases attributable to occupational exposures.
Main Methods:
- A large, population-based case-control study (Environment And Genetics in Lung cancer Etiology - EAGLE) was conducted in Northern Italy (2002-2005).
- Lifetime occupational histories were collected for 2,100 lung cancer cases and 2,120 controls.
- Occupations were classified based on known or suspected links to lung cancer, and smoking-adjusted odds ratios were calculated using logistic regression.
Main Results:
- A significantly increased lung cancer risk was observed for men in occupations known to be associated with lung cancer (OR=1.74).
- Specific occupations like filling station attendants, bus/truck drivers (men), and launderers/dry cleaners (women) showed increased risk.
- An estimated 4.9% of lung cancer cases in men were attributable to occupation.
Conclusions:
- Past exposure to occupational carcinogens remains a significant factor in lung cancer development.
- Identifying and mitigating occupational risks is crucial for lung cancer prevention strategies.
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