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KMID : 0391419930030020181
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Korean Journal of Lipidology
1993 Volume.3 No. 2 p.181 ~ p.190
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A Study on Effects of Dietary Intake and Obesity on Serum Lipid Levels of Elementary School Children in a High-Socioeconomkic Apartment Complex in Seoul
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김주혜
이윤나/모수미/최혜미/김진규
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Abstract
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To evaluate the effects of obesity index and dietary intakes on serum lipid levels of 125 volunteer children, 6 to 12 years old, a survey was conducted at Youido elementary school, which offers no shool lunch program, in April and July, 1992.
Subjects' fasting blood samples were analyzed for serum triglyceride (TG), total cholesterol and high density lipoprotein cholesterol (HDL-C). Low density lipoprotein cholesterol (LDC-C), LDL-C/HDL-C ratio, and atherogenic index (AI) were
calculated.
Information on subjects' dietary intakes were obtained by repeated 24-hour recall method for 3 days.
Total cholesterol levels of the subjects were 164.4mg/dl, which was higher than average level of Korean children. Obesity index showed significant (P<0.05) positive correlations to LDL-C, LDL-C/HDL-C ratio and AI. Although total cholesterol level
was
higher in overweight and obese subjects than that of the normal ones, the difference didn't reach statistical significance due to the individual variations.
According to total cholesterol and LDL-C criteria, 36.8% and 20.5% of subjects were in borderline or high-risk group, repectively. According to TG criterion, 23.8% of the subjects were in risk group of cardiovascular disease. LDL-c and total
cholesterol
levels were positively correlated. As obesity increases, serum lipid profiles increase to make the risk of cardiovascular disease susceptible.
Intake of vegetable foods showed positive correlation to HDL-C and negative correlation to total cholesterol, LDL-C ratio and AI while animal foods showed the opposite effects. This study also found that dietary fiber had the tendency to lower
the
indices of cadiovascular disease risk.
The survey emphasizes the urgent need of the nutrition education through school lunch program to improve the children's health.
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