• Journal of the Korean Society of Food Science and Nutrition
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• v.30 no.2
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• pp.350-356
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• 2001

The purpose of this study is to verify the relation among vegetarian diet, physical activity and the risk factors of cardiovascular disease. Two hundred and forty five buddhist nuns (age : 23~79 yrs) were selected as vegetarians. For control subjects, 235 healthy female adults (age : 23~79 yrs) were selected. Study period was from October 1996 to February 1997. The contents are consist of food consumption survey, anthropometric measurement, amount of energy expenditure, physical activity and clinical examination. Results were summarized as follows : The average ages of vegetarians were $44.2{\pm}17.3\;yrs$ and those of non-vegetarians were $40.5{\pm}18.4\;yrs$. Average body mass indices (BMI) of vegetarians and non-vegetarians were $22.5{\pm}2.7\;and\;21.1{\pm}2.5$, WHRs were $0.9{\pm}0.1\;and\;0.8{\pm}0.1$, and the average duration of vegetarian diet of the vegetarians was 13.1{\pm}12.9 years. All the nutrient intakes of both groups were over RDA's except calcium and vitamin A intakes of non-vegetarians that were below RDA's Fiber and vitamin C intakes of the vegetarians were significantly higher than those of non-vegetarians (p<0.01). Average energy intakes of vegetarians and non-vegetarians were $2177.1{\pm}420.6\;kcal/day\;and\;2103.2{\pm}534.9\;kcal/day$, total daily energy expenditure were $1789.9{\pm}325.8\;kcal/day\;and\;1703.8{\pm}344.8\;kcal/day$, those by physical activity were $507.8{\pm}360.9\;kcal/day\;and\;400.0{\pm}247.8\;kcal/day$. Serum lipid level, blood sugar, systolic blood pressure of vegetarians were significantly lower than those of non-vegetarians, but ratio of HDL-cholesterol/total-cholesterol was higher than those of non-vegetarians. Levels of total serum cholesterol of vegetarians and non-vegetarians were 161.4{\pm}33.3 mg/dL and 189.6{\pm}33.6mg/dL, HDL-cholesterol were $48.2{\pm}11.4\;mg/dL\;and\;50.8{\pm}12.2\;mg/dL$, LDL-cholesterol were $86.6{\pm}26.9\;mg/dL\;and\;111.1{\pm}17.0\;mg/dL$, atherogenic indice(AI) were $2.4{\pm}0.6\;and\;2.9{\pm}0.7$, fasting blood sugar were $90.8{\pm}14.3\;mg/dL\;and\;103.6{\pm}24.6\;mg/dL$, systolic blood pressure were $107.5{\pm}14.9\;mmHg\;and\;119.3{\pm}15.3\;mmHg$. Energy expenditure by physical activity was negatively correlated with levels of serum total-cholesterol and LDL-cholesterol and atherogenic indice(AI). Therefore, physical activity and vegetarian diet effectively helped reduce blood lipids related to cardiovascular disease.

• Preventive Nutrition and Food Science
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• v.3 no.2
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• pp.186-192
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• 1998

This study was conducted to investigate the relationship among prevalence of obesity, nutritional status and factors related to obesity of women who exercise regularly. The subjects of this study were 100 women who have been exercising regularly for more than 6 months. They were mostly housewives ages 24 to 63 years and had graduated middle or high school. Their average income was form 700 to 1,500 thousand won per month and most of them had 2 r 3 children. They sleep usually 6~8 hours a day. Most of physical indices of obesity were increased progressively with age. Among them , weight (61.5$\pm$1.4kg), subscapular (16.3$\pm$1.4mm) and abdomen(31.4$\pm$1.2mm) skinfold thickness were higher in 50 years than in others. BMI after exericse was decreased compared with BMI before exericise. WHR was 0.82 in 40 years and 0.85$\pm$0.01 in 50- to 60- year-old group. The percentage of body fat increased with advancing years and the highest values were shown in 50 - to 60-year old group (skyndex value : 38.6$\pm$0.6, BIA value : 28.7$\pm$0.8<0.05). The prevalence of obesity was measured by bioelectrical impedance fatness analyzer (BIA), obdy mass index (BMI) and skinfold thickness were 17.0%, 24.0% and 78.0% respectively. Most subjects were in good nutritional status, but in the subjects aged 24~49, energy (89.3%), iron (93.3%) and vit. A (97.4%) intake were slighltyl lower than the RDA. Energy intake was slightly insufficient tot he 50-63year old subjects (88.6%) compared with RDA. It seemed that they restricted calorie intake for the weight control. The energy percentage of carbohydrate, fat and protein was 65 : 20 : 15, the result of which came closed to the recommended calorei composition. There were positive correlations between obesity and other variable such as age. number of childeren and physical indics.