Higher breast cancer prevalence associated with higher socioeconomic status in the South Korean population; Has it resulted from overdiagnosis?

PloS One
Seong-Woo ChoiJong Park

Abstract

Recently, breast cancer prevalence has increased in South Korea. In this study, we investigated the correlation between breast cancer prevalence and socioeconomic status. This study enrolled 27,331 people who participated in the Korean National Health and Nutrition Examination Survey (KNHANES) IV-VI (2007-2015). In addition, we obtained data from the Korean Statistical Information Service (KSIS) on the breast cancer age-standardized incidence rate (AIR), the age-standardized mortality rate (AMR), the number of women screened, and the number of newly diagnosed patients. The KHANES data showed that breast cancer prevalence was significantly associated with educational level (odds ratio [OR], 2.02; 95% confidence interval [CI], 1.08-3.77 for 10-12 vs. ≤ 6 years of education, and OR, 2.36; 95% CI, 1.10-5.06 for ≥ 13 vs. ≤ 6 years of education). However, there was no significant association of breast cancer prevalence with monthly household income. In a separate analysis of the AIR, AMR, and number of women screened for breast cancer, the AIR increased with the number of women screened, whereas the AMR did not. Furthermore, the number of newly diagnosed patients in all age groups increased over time. The present results demonstrate ...Continue Reading

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Citations

Dec 5, 2019·International Journal for Equity in Health·Joséphine BryereUNKNOWN French Network of Cancer Registries (FRANCIM)
Mar 7, 2021·International Journal of Environmental Research and Public Health·Tso-Ying LeeChin-Ching Li

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