J Korean Med Sci.  2013 Apr;28(4):636-637. 10.3346/jkms.2013.28.4.636.

Lung Cancer Incidence by Smoking Status in Korean Men: 16-Years of Observations in the Seoul Male Cancer Cohort Study

  • 1Department of Preventive Medicine, Jeju National University School of Medicine, Jeju, Korea. jmbae@jejunu.ac.kr
  • 2Department of Epidemiology & Statistics, Jilin University School of Public Health Science, Changchun, China.
  • 3Department of Social & Preventive Medicine, Sungkyunkwan University School of Medicine, Suwon, Korea.
  • 4Department of Social Medicine, Hallym University College of Medicine, Chuncheon, Korea.
  • 5Department of Preventive Medicine, University of Ulsan College of Medicine, Seoul, Korea.
  • 6Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea.


The relative risk (RR) of smoking and mortality of lung cancer in British doctors was previously reported to have increased throughout a 40-yr period. Here, we evaluated this RR based on the incidence of lung cancer in Korean men using a longer follow-up period. We compared our data to the RR reported in a study using a 10-yr follow-up period; the subjects and methods were identical to those of the previous paper with the exception of the follow-up period, which ended on December 31, 2008. We found that the RR of smoking habits in patients with lung cancer did not increase, and that the data showed narrowing 95% confidence intervals over a longer observation in Korean men. Estimated lung cancers attributable to smoking were 55.6%. These results highlight the need for an intervention program to help patients quit smoking in Korea.


Cancer Incidence; Cigarette Smoking; Cohort Study; Lung Neoplasm

MeSH Terms

Asian Continental Ancestry Group
Cohort Studies
Follow-Up Studies
Lung Neoplasms/*epidemiology
Republic of Korea/epidemiology
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