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HOME > Korean J Prev Med > Volume 34(2); 2001 > Article
Original Article A Nested Case Control Study on Risk Factors for Coronary Heart Disease in Korean.
Ki Soon Kim, So Yeon Ryu, Jong Park, Jong Ku Park, Chun Bae Kim, Byung Yeol Chun, Tae Yong Lee, Kang Sook Lee, Duk Hee Lee, Kwang Wook Koh, Sun Ha Jee, Il Suh
Journal of Preventive Medicine and Public Health 2001;34(2):149-156
DOI: https://doi.org/
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Department of Preventive Medicine, College of Medicine, Chosun University.

OBJECTIVE
To elucidate risk factors for coronary heart diseases among Korean males. METHODS: A nested case control study was conducted among a Korea Medical Insurance Cooperation(KMIC) cohort composed of 108,802 males. The cases included 246 male patients who were admitted to hospital due to coronary heart diseases from 1993 to 1997 (I20-25 by ICD) and whose diagnosis was confirmed by the protocol by WHO MONICA Project(1994). The control group was composed of 483 patients selected by frequency matching considering age and resident area from an inpatient care group without coronary heart disease during the same period. For study cases and the controls, the results of a health check-up in 1990 and a questionnaire on life style in 1992 were received through the KMIC. Some additional information was collected by telephone interviews during October 1999. RESULTS: Multiple logistic regression analysis showed that the odds ratio(OR) of coronary heart diseases among past smokers and current smokers as compared to non-smokers were 1.94(95% CI : 1.14-3.31) and 2.20(95% CI : 1.35-3.59), respectively. The OR among persons who drank 4 cups or more of caffeinated beverages such as coffee or tea daily as compared to persons who drank one cup for 2-3 days was 2.56(95% CI : 1.07-6.12). The OR among persons with high normal BP and stage 3 hypertension against normotension were 2.51(95% CI : 1.44-4.37) and 5.08(95% CI : 2.38-10.84). The OR among persons whose blood cholesterol were 240 mg/dL or more against lower than 200mg/dL was 2.24(95% CI : 1.43-3.49). CONCLUSION: Smoking, drinking of excessive caffeinated beverages, hypertension and high blood cholesterol were proven to be significant risk factors for coronary heart diseases among Korean males.


JPMPH : Journal of Preventive Medicine and Public Health