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Int. J. Environ. Res. Public Health 2016, 13(12), 1208; doi:10.3390/ijerph13121208

Decreases in Smoking-Related Cancer Mortality Rates Are Associated with Birth Cohort Effects in Korean Men

1
MRC Population Health Research Unit, Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK
2
Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
3
Cancer Research Institute, Seoul National University, Seoul 03080, Korea
4
Radiation Epidemiology Team, Radiation Health Institute, Korea Hydro & Nuclear Power Co., Ltd., Seongnam 01450, Korea
5
Cancer Registration and Statistic Branch, National Cancer Control Institute, National Cancer Center, Goyang 10408, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Zubair Kabir
Received: 23 September 2016 / Revised: 10 November 2016 / Accepted: 30 November 2016 / Published: 5 December 2016
(This article belongs to the Section Global Health)
View Full-Text   |   Download PDF [3860 KB, uploaded 5 December 2016]   |  

Abstract

Background: This study aimed to examine trends in smoking-related cancer mortality rates and to investigate the effect birth cohort on smoking-related cancer mortality in Korean men. Methods: The number of smoking-related cancer deaths and corresponding population numbers were obtained from Statistics Korea for the period 1984–2013. Joinpoint regression analysis was used to detect changes in trends in age-standardized mortality rates. Birth-cohort specific mortality rates were illustrated by 5 year age groups. Results: The age-standardized mortality rates for oropharyngeal decreased from 2003 to 2013 (annual percent change (APC): −3.1 (95% CI, −4.6 to −1.6)) and lung cancers decreased from 2002 to 2013 (APC −2.4 (95% CI −2.7 to −2.2)). The mortality rates for esophageal declined from 1994 to 2002 (APC −2.5 (95% CI −4.1 to −0.8)) and from 2002 to 2013 (APC −5.2 (95% CI −5.7 to −4.7)) and laryngeal cancer declined from 1995 to 2013 (average annual percent change (AAPC): −3.3 (95% CI −4.7 to −1.8)). By the age group, the trends for the smoking-related cancer mortality except for oropharyngeal cancer have changed earlier to decrease in the younger age group. The birth-cohort specific mortality rates and age-period-cohort analysis consistently showed that all birth cohorts born after 1930 showed reduced mortality of smoking-related cancers. Conclusions: In Korean men, smoking-related cancer mortality rates have decreased. Our findings also indicate that current decreases in smoking-related cancer mortality rates have mainly been due to a decrease in the birth cohort effect, which suggest that decrease in smoking rates. View Full-Text
Keywords: smoking; cancer; mortality; trends; birth cohort; Korea smoking; cancer; mortality; trends; birth cohort; Korea
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MDPI and ACS Style

Jee, Y.H.; Shin, A.; Lee, J.-K.; Oh, C.-M. Decreases in Smoking-Related Cancer Mortality Rates Are Associated with Birth Cohort Effects in Korean Men. Int. J. Environ. Res. Public Health 2016, 13, 1208.

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