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

Yon Ho Jee, Aesun Shin, Jong-Keun Lee and Chang-Mo Oh
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Yon Ho Jee: 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
Aesun Shin: Department of Preventive Medicine, Seoul National University College of Medicine, Seoul 03080, Korea
Jong-Keun Lee: Radiation Epidemiology Team, Radiation Health Institute, Korea Hydro & Nuclear Power Co., Ltd., Seongnam 01450, Korea
Chang-Mo Oh: Cancer Registration and Statistic Branch, National Cancer Control Institute, National Cancer Center, Goyang 10408, Korea

IJERPH, 2016, vol. 13, issue 12, 1-14

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.

Keywords: smoking; cancer; mortality; trends; birth cohort; Korea (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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