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Free Content Wood smoke exposure and lung adenocarcinoma in non-smoking Mexican women

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OBJECTIVE: To determine the association between long-term exposure to wood smoke from cooking and lung adenocarcinoma in non-smoking Mexican women.

METHODS: We reviewed records of hospitalized pa-tients at a chest referral hospital in Mexico City and identified 113 histologically proven lung adenocarcinoma cases in non-smoking women. Four control groups of non-smoking women were also selected: 99 patients with pulmonary tuberculosis (PTB), 110 with interstitial lung disease (ILD), 64 with miscellaneous pulmonary conditions (MISC), and the three control groups combined (COMB) (n = 273).

RESULTS: Exposure was assessed on the basis of questionnaire responses at the time of hospital admission. Exposure to wood smoke for more than 50 years, but not for shorter periods, was associated with lung cancer after adjusting for age, education, socio-economic status and environmental tobacco smoke (ETS) exposure. Adjusted odds ratios from the multivariable logistic regression models were 1.4 (95%CI 0.6–2.0) for cases vs. TB controls, 1.9 (95%CI 0.9–4.0) for cases vs. ILD controls, 2.6 (95%CI 1.0–6.3) for cases vs. MISC controls and 1.9 (95%CI 1.1–3.5) for cases vs. COMB controls.

CONCLUSION: These findings suggest that long-term exposure to wood smoke from cooking may contribute to the development of lung cancer.
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Keywords: adenocarcinoma; biomass; indoor air; lung cancer; wood smoke

Document Type: Regular Paper

Affiliations: 1: Department of Tuberculosis Control, British Columbia Centre for Disease Control, Vancouver, Canada 2: School of Occupational and Environmental Hygiene, University of British Columbia, Canada; and Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada 3: Instituto Nacional de Enfermedades Respiratorias, Mexico City, DF, Mexico 4: Department of Environmental and Occupational Health Sciences, National Jewish Medical and Research Center, Denver, Colorado, USA

Publication date: 01 March 2004

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  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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