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HOME > J Prev Med Public Health > Volume 40(5); 2007 > Article
Research Support, Non-U.S. Gov't Impact of Multiple Cardiovascular Risk Factors on the Carotid Intima-media Thickness in Young Adults: The Kangwha Study.
Hoo Sun Chang, Hyeon Chang Kim, Song Vogue Ahn, Nam Wook Hur, Il Suh
Journal of Preventive Medicine and Public Health 2007;40(5):411-417
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1Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.
2Biomedical Research Group, Brain Korea 21 Hanyang, The Hospital for Rheumatic Disease, Hanyang University, Seoul, Korea.

Although risk factors for coronary artery disease are also associated with increased carotid intima-media thickness (IMT), there is little information available on the asymptomatic, young adult population. We examined the association between multiple cardiovascular risk factors and the common carotid IMT in 280 young Korean adults. METHODS: The data used for this study was obtained from 280 subjects (130 men and 150 women) aged 25 years who participated in the Kangwha Study follow-up examination in 2005. We measured cardiovascular risk factors, including anthropometrics, blood pressure, blood chemistry, carotid ultrasonography, and reviewed questionnaires on health behaviors. Risk factors were defined as values above the sex-specific 75th percentile of systolic blood pressure, body mass index, total cholesterol/high-density lipoprotein cholesterol ratio, fasting blood glucose and smoking status. RESULTS: The mean carotid IMT+/-standard deviation observed was 0.683+/-0.079 mm in men and 0.678+/-0.067 mm in women (p=0.567) and the evidence of plaque was not observed in any individuals. Mean carotid IMT increased with an increasing number of risk factors(p for trend <0.001) and carotid IMT values were 0.665 mm, 0.674 mm, 0.686 mm, 0.702 mm, and 0.748 mm for 0, 1, 2, 3, and 4 to 5 risk factors, respectively. The odds ratio for having the top quartile carotid IMT in men with 3 or more risk factors versus 0-2 risk factors was 5.09 (95% CI, 2.05-12.64). CONCLUSIONS: Current findings indicate the need for prevention and control of cardiovascular risk factors in young adults and more focus on those with multiple cardiovascular risk factors.

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JPMPH : Journal of Preventive Medicine and Public Health