Smoking and atherosclerotic cardiovascular disease in women with lower levels of serum cholesterol

Sun Ha Jee, Jungyong Park, Inho Jo, Jakyoung Lee, Soojin Yun, Ji Eun Yun, Yangsoo Jang

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

This cohort study of Koreans examines the relationship between smoking on atherosclerotic cardiovascular disease (ASCVD) and whether serum levels of total cholesterol modify the impact of smoking on ASCVD. A 10-year prospective cohort study was carried out on 234,399 Korean women, ranging 40-69 years of age who received health insurance from the National Health Insurance Corporation and had a medical evaluation in 1993. The main outcome measures were hospital admissions and deaths from ischemic heart disease (IHD), cerebrovascular disease (CVD), and total ASCVD. At baseline, 13,696 (5.8%) were current smokers and 105,755 (45.1%) had a total cholesterol <200 mg/dl. Between 1994 and 2003, 4534 IHD (176/100,000 person year), 7961 CVD (310/100,000 person year), and 2418 other ASCVD events (94/100,000 person year) occurred. In multivariate Cox proportional hazard models controlling for age, hypertension, hypercholesterolemia, diabetes and alcohol drinking, current smoking increased the risk of IHD [hazard ratio (HR) = 1.7 (95% CI: 1.5-1.9)], CVD [HR = 1.6 (95% CI: 1.5-1.6)], and total ASCVD events [HR = 1.6 (95% CI: 1.5-1.7)]. Throughout the range of serum cholesterol levels, current smoking significantly increased the risk of myocardial infarction and CVD, but not angina pectoris. There was no evidence of an interaction between smoking and serum cholesterol (p for interaction = 0.469, 0.612, and 0.905 for IHD, CVD, and total ASCVD, respectively). This study demonstrated that smoking was a major independent risk factor for IHD, CVD and ASCVD in Korean women. A low cholesterol level confers no protective benefit against smoking-related ASCVD.

Original languageEnglish
Pages (from-to)306-312
Number of pages7
JournalAtherosclerosis
Volume190
Issue number2
DOIs
Publication statusPublished - 2007 Feb 1

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Cerebrovascular Disorders
Cardiovascular Diseases
Smoking
Cholesterol
Myocardial Ischemia
Serum
Cohort Studies
National Health Programs
Angina Pectoris
Health Insurance
Hypercholesterolemia
Cardiomyopathies
Proportional Hazards Models
Alcohol Drinking
Myocardial Infarction
Outcome Assessment (Health Care)
Prospective Studies
Hypertension

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

Jee, Sun Ha ; Park, Jungyong ; Jo, Inho ; Lee, Jakyoung ; Yun, Soojin ; Yun, Ji Eun ; Jang, Yangsoo. / Smoking and atherosclerotic cardiovascular disease in women with lower levels of serum cholesterol. In: Atherosclerosis. 2007 ; Vol. 190, No. 2. pp. 306-312.
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abstract = "This cohort study of Koreans examines the relationship between smoking on atherosclerotic cardiovascular disease (ASCVD) and whether serum levels of total cholesterol modify the impact of smoking on ASCVD. A 10-year prospective cohort study was carried out on 234,399 Korean women, ranging 40-69 years of age who received health insurance from the National Health Insurance Corporation and had a medical evaluation in 1993. The main outcome measures were hospital admissions and deaths from ischemic heart disease (IHD), cerebrovascular disease (CVD), and total ASCVD. At baseline, 13,696 (5.8{\%}) were current smokers and 105,755 (45.1{\%}) had a total cholesterol <200 mg/dl. Between 1994 and 2003, 4534 IHD (176/100,000 person year), 7961 CVD (310/100,000 person year), and 2418 other ASCVD events (94/100,000 person year) occurred. In multivariate Cox proportional hazard models controlling for age, hypertension, hypercholesterolemia, diabetes and alcohol drinking, current smoking increased the risk of IHD [hazard ratio (HR) = 1.7 (95{\%} CI: 1.5-1.9)], CVD [HR = 1.6 (95{\%} CI: 1.5-1.6)], and total ASCVD events [HR = 1.6 (95{\%} CI: 1.5-1.7)]. Throughout the range of serum cholesterol levels, current smoking significantly increased the risk of myocardial infarction and CVD, but not angina pectoris. There was no evidence of an interaction between smoking and serum cholesterol (p for interaction = 0.469, 0.612, and 0.905 for IHD, CVD, and total ASCVD, respectively). This study demonstrated that smoking was a major independent risk factor for IHD, CVD and ASCVD in Korean women. A low cholesterol level confers no protective benefit against smoking-related ASCVD.",
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Smoking and atherosclerotic cardiovascular disease in women with lower levels of serum cholesterol. / Jee, Sun Ha; Park, Jungyong; Jo, Inho; Lee, Jakyoung; Yun, Soojin; Yun, Ji Eun; Jang, Yangsoo.

In: Atherosclerosis, Vol. 190, No. 2, 01.02.2007, p. 306-312.

Research output: Contribution to journalArticle

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AU - Jo, Inho

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N2 - This cohort study of Koreans examines the relationship between smoking on atherosclerotic cardiovascular disease (ASCVD) and whether serum levels of total cholesterol modify the impact of smoking on ASCVD. A 10-year prospective cohort study was carried out on 234,399 Korean women, ranging 40-69 years of age who received health insurance from the National Health Insurance Corporation and had a medical evaluation in 1993. The main outcome measures were hospital admissions and deaths from ischemic heart disease (IHD), cerebrovascular disease (CVD), and total ASCVD. At baseline, 13,696 (5.8%) were current smokers and 105,755 (45.1%) had a total cholesterol <200 mg/dl. Between 1994 and 2003, 4534 IHD (176/100,000 person year), 7961 CVD (310/100,000 person year), and 2418 other ASCVD events (94/100,000 person year) occurred. In multivariate Cox proportional hazard models controlling for age, hypertension, hypercholesterolemia, diabetes and alcohol drinking, current smoking increased the risk of IHD [hazard ratio (HR) = 1.7 (95% CI: 1.5-1.9)], CVD [HR = 1.6 (95% CI: 1.5-1.6)], and total ASCVD events [HR = 1.6 (95% CI: 1.5-1.7)]. Throughout the range of serum cholesterol levels, current smoking significantly increased the risk of myocardial infarction and CVD, but not angina pectoris. There was no evidence of an interaction between smoking and serum cholesterol (p for interaction = 0.469, 0.612, and 0.905 for IHD, CVD, and total ASCVD, respectively). This study demonstrated that smoking was a major independent risk factor for IHD, CVD and ASCVD in Korean women. A low cholesterol level confers no protective benefit against smoking-related ASCVD.

AB - This cohort study of Koreans examines the relationship between smoking on atherosclerotic cardiovascular disease (ASCVD) and whether serum levels of total cholesterol modify the impact of smoking on ASCVD. A 10-year prospective cohort study was carried out on 234,399 Korean women, ranging 40-69 years of age who received health insurance from the National Health Insurance Corporation and had a medical evaluation in 1993. The main outcome measures were hospital admissions and deaths from ischemic heart disease (IHD), cerebrovascular disease (CVD), and total ASCVD. At baseline, 13,696 (5.8%) were current smokers and 105,755 (45.1%) had a total cholesterol <200 mg/dl. Between 1994 and 2003, 4534 IHD (176/100,000 person year), 7961 CVD (310/100,000 person year), and 2418 other ASCVD events (94/100,000 person year) occurred. In multivariate Cox proportional hazard models controlling for age, hypertension, hypercholesterolemia, diabetes and alcohol drinking, current smoking increased the risk of IHD [hazard ratio (HR) = 1.7 (95% CI: 1.5-1.9)], CVD [HR = 1.6 (95% CI: 1.5-1.6)], and total ASCVD events [HR = 1.6 (95% CI: 1.5-1.7)]. Throughout the range of serum cholesterol levels, current smoking significantly increased the risk of myocardial infarction and CVD, but not angina pectoris. There was no evidence of an interaction between smoking and serum cholesterol (p for interaction = 0.469, 0.612, and 0.905 for IHD, CVD, and total ASCVD, respectively). This study demonstrated that smoking was a major independent risk factor for IHD, CVD and ASCVD in Korean women. A low cholesterol level confers no protective benefit against smoking-related ASCVD.

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