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KMID : 0371019970300020327
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Journal of Preventive Medicine and Public Health
1997 Volume.30 No. 2 p.327 ~ p.341
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Correlation between Obesity Indices and Cardiovascular Risk Factors and Usefullness of Abdominal Obesity Indices
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Ha Hun-Young
Choi Bo-Youl
Park Hung-Bae
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Abstract
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It is a well known fact that obesity is an important cause of cardiovascular disease, emphasized by many studies. Recently, cardiovascular diseaasehas been found to correlate not only to the extent of obesity, but also the fat distribution of the individual; especially, focusing on obesity of the abdomen. Unfortunately, the proposed indices for abdominal obesity are numerous, and the results vary according to the index chosen.
Three-hundred and twelve bus drivers in November, 1995, were chosen as subjects of this study. The author chose to measure serum lipid levels, fasting blood sugar levels and blood pressure, that are thought to be important risk factors of cardiovascular diseases. Obesity indices were calculated using anthropometrc measurements. We were able to evaluate the significance of obesity indices by examining correlations between these indices and the risk factors of cardiovascular disease.
The results obtained were as follows:
1. The abdominal obesity indices and risk factors of cardiovascular disease, the levels of total cholesterol in the serum, fasting blood sugar levels, and diastolic blood pressure, increased significantly according to age.
2. There was a significant difference in the abdominal obesity, indices according to drinking and smoking habits controlled for age. Among the risk factors of cardiovascular disease, triglyceride and diastolic pressures had significant differences according to the presence or absence of a drinking history controlled for age.
3. Although all obesity indices showed significant correlations, the weakest correlation was between BMI and abdominal diameter index and the´ strongest correlation was between sagittal diameter and sagittal diameter matched for heigi) t.
4. There was a negative correlation between HDL-cholesterol an~l obesity indices. The weakest correlation was between fasting blood sugar levels and I(both SD and SDH showed correlations with the risk factors.
5. There was a significant correlation between SD and total cholesterol in the serum and fasting blood sugars controlled for age, drinking, and BMI.
6. After categorizing the subjects into 2 separate age groups at thei´ 40 year mark, in the less than 40 year old age group, controlled for drinking and BMI, the results of comparitive studies have shown correlations between total cholesterol serum levels and waist-hip ratio, conicity-index, and SD. There were correlations between fasting blood sugar levels and SD, ADL and SDH. There were no correlations!, between obesity indices and both total cholesterol serum levels and fasting blood sugar levels in the greater than 40 year old age group.
There were significant correlations between abdominal obesity indices and total serum cholesterol or fasting blood sugar levels in the less than 40 year old age group, but no correlations in the age group over 40. These correlated factors between abdominal obesity and cardiovascular disease are assumed to exist in Korea as well. Furthermore, in this study a high correlation was found between SD, S´DH and the risk factors of cardiovascular disease. Even when controlled for age, drinking, smoking, and BMI, the correlations between risk factors of cardiovascular disease and these in-dices exist. Therefore, the obesity indices, SD and SDH may prove ´´to be important prognostic indicators or risk factors of cardiovascular disease.
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KEYWORD
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obesity index, anthropometric measurement, risk factors of cardiovascular disease
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