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HOME > J Prev Med Public Health > Volume 40(3); 2007 > Article
Spatial Analysis of Air Pollution and Lung Cancer Incidence and Mortality in 7 Metropolitan Cities in Korea. .
Seung Sik Hwang, Jin Hee Lee, Gyu Won Jung, Jeong Hun Lim, Ho Jang Kwon
Journal of Preventive Medicine and Public Health 2007;40(3):233-238
DOI: https://doi.org/10.3961/jpmph.2007.40.3.233
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1Division of Cancer Registration and Epidemiology, National Cancer Center, Korea.
2School of Public Health and Institute of Health and Environment, Seoul National University, Korea.
3Department of Preventive Medicine, Dankook University College of Medicine, Korea. hojang@dku.edu

OBJECTIVES
We aimed to assess the relationship between long-term exposure to air pollution and lung cancer in the Republic of Korea. METHODS: Using the Annual Report of Ambient Air Quality in Korea, Annual Report of National Cancer Registration, and Annual Report on the Cause of Death Statistics, we calculated the standardized mortality ratio (SMR) and standardized incidence ratio (SIR) of lung cancer for both sexes in 74 areas from 7 Korean metropolitan cities. We performed random intercept, Poisson regression using empirical Bayes method. RESULTS: Both SMRs and SIRs in the 7 metropolitan cities were higher in women than in men. Mean SIRs were 99.0 for males and 107.0 for females. The association between PM(10) and lung cancer risk differed according to gender. PM(10) was not associated with the risk of lung cancer in males, but both incidence and mortality of lung cancer were positively associated with PM(10) in females. The estimated percentage increases in the rate of female lung cancer mortality and incidence were 27% and 65% at the highest PM(10) category (> or = 70 microgram/m(3)), compared to the referent category (<50 microgram/m(3)). CONCLUSIONS: Long-term exposure to PM(10) was significantly associated with female lung cancer incidence in 7 Korean metropolitan cities. Further study is undergoing to estimate the relative risk of PM(10) using multi-level analysis for controlling individual and regional confounders such as smoking and socioeconomic position.

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