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Article: Smoky coal, tobacco smoking, and lung cancer risk in Xuanwei, China

TitleSmoky coal, tobacco smoking, and lung cancer risk in Xuanwei, China
Authors
KeywordsChina
Tobacco
Lung cancer
Indoor air pollution
Global health
Epidemiology
Coal
Issue Date2014
Citation
Lung Cancer, 2014, v. 84, n. 1, p. 31-35 How to Cite?
AbstractObjectives: Lung cancer rates in Xuanwei are the highest in China. In-home use of smoky coal has been associated with lung cancer risk, and the association of smoking and lung cancer risk strengthened after stove improvement. Here, we explored the differential association of tobacco use and lung cancer risk by the intensity, duration, and type of coal used. Materials and methods: We conducted a population-based case-control study of 260 male lung cancer cases and 260 age-matched male controls. Odds ratios (OR) and 95% confidence interval (CI) for tobacco use was calculated by conditional logistic regression. Results: Use of smoky coal was significantly associated with an increased risk of lung cancer, and tobacco use was weakly and non-significantly associated with lung cancer risk. When the association was assessed by coal use, the cigarette-lung cancer risk association was null in hazardous coal users and elevated in less hazardous smoky coal users and non-smoky coal users. The risk of lung cancer per cigarette per day decreased as annual use of coal increased (>0-3. tons: OR: 1.09; 95% CI: 1.03-1.17; >3. tons: OR: 0.99; 95% CI: 0.95-1.03). Among more hazardous coal users, attenuation occured at even low levels of usage (>0-3. tons: OR: 1.02; 95% CI: 0.91-1.14; >3. tons: OR: 0.94; 95% CI: 0.97-1.03). Conclusion: We found evidence that smoky coal attenuated the tobacco and lung cancer risk association in males that lived in Xuanwei, particularly among users of hazardous coal where even low levels of smoky coal attenuated the association. Our results suggest that the adverse effects of tobacco may become more apparent as China's population continues to switch to cleaner fuels for the home, underscoring the urgent need for smoking cessation in China and elsewhere. © 2014.
Persistent Identifierhttp://hdl.handle.net/10722/207087
ISSN
2015 Impact Factor: 3.767
2015 SCImago Journal Rankings: 1.923

 

DC FieldValueLanguage
dc.contributor.authorKim, Christopher-
dc.contributor.authorChapman, Robert Sedgwick-
dc.contributor.authorHu, Wei-
dc.contributor.authorHe, Xingzhou-
dc.contributor.authorHosgood, Howard Dean-
dc.contributor.authorLiu, Larry Z.-
dc.contributor.authorLai, Hong-
dc.contributor.authorChen, Wei-
dc.contributor.authorSilverman, Debra T.-
dc.contributor.authorVermeulen, Roel CH H-
dc.contributor.authorTian, Linwei-
dc.contributor.authorBassig, Bryan A.-
dc.contributor.authorShen, Min-
dc.contributor.authorZhang, Yawei-
dc.contributor.authorMa, Shuangge-
dc.contributor.authorRothman, Nathaniel-
dc.contributor.authorLan, Qing-
dc.date.accessioned2014-12-09T04:31:22Z-
dc.date.available2014-12-09T04:31:22Z-
dc.date.issued2014-
dc.identifier.citationLung Cancer, 2014, v. 84, n. 1, p. 31-35-
dc.identifier.issn0169-5002-
dc.identifier.urihttp://hdl.handle.net/10722/207087-
dc.description.abstractObjectives: Lung cancer rates in Xuanwei are the highest in China. In-home use of smoky coal has been associated with lung cancer risk, and the association of smoking and lung cancer risk strengthened after stove improvement. Here, we explored the differential association of tobacco use and lung cancer risk by the intensity, duration, and type of coal used. Materials and methods: We conducted a population-based case-control study of 260 male lung cancer cases and 260 age-matched male controls. Odds ratios (OR) and 95% confidence interval (CI) for tobacco use was calculated by conditional logistic regression. Results: Use of smoky coal was significantly associated with an increased risk of lung cancer, and tobacco use was weakly and non-significantly associated with lung cancer risk. When the association was assessed by coal use, the cigarette-lung cancer risk association was null in hazardous coal users and elevated in less hazardous smoky coal users and non-smoky coal users. The risk of lung cancer per cigarette per day decreased as annual use of coal increased (>0-3. tons: OR: 1.09; 95% CI: 1.03-1.17; >3. tons: OR: 0.99; 95% CI: 0.95-1.03). Among more hazardous coal users, attenuation occured at even low levels of usage (>0-3. tons: OR: 1.02; 95% CI: 0.91-1.14; >3. tons: OR: 0.94; 95% CI: 0.97-1.03). Conclusion: We found evidence that smoky coal attenuated the tobacco and lung cancer risk association in males that lived in Xuanwei, particularly among users of hazardous coal where even low levels of smoky coal attenuated the association. Our results suggest that the adverse effects of tobacco may become more apparent as China's population continues to switch to cleaner fuels for the home, underscoring the urgent need for smoking cessation in China and elsewhere. © 2014.-
dc.languageeng-
dc.relation.ispartofLung Cancer-
dc.subjectChina-
dc.subjectTobacco-
dc.subjectLung cancer-
dc.subjectIndoor air pollution-
dc.subjectGlobal health-
dc.subjectEpidemiology-
dc.subjectCoal-
dc.titleSmoky coal, tobacco smoking, and lung cancer risk in Xuanwei, China-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.lungcan.2014.01.004-
dc.identifier.pmid24506909-
dc.identifier.scopuseid_2-s2.0-84896728477-
dc.identifier.volume84-
dc.identifier.issue1-
dc.identifier.spage31-
dc.identifier.epage35-
dc.identifier.eissn1872-8332-

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