• Korean Journal of Community Nutrition
• /
• v.16 no.1
• /
• pp.126-135
• /
• 2011

Obesity is characterized by increased storage of fatty acids in an adipose tissue and closely associated with the development of insulin resistance and cardiovascular diseases (CVD) through secretion of adipokines. This study was done to compare serum insulin, leptin, adiponectin and high sensitivity C-reactive protein (hs-CRP) levels according to body masss index (BMI) in Korean adult women aged 19 to 50. In addition, we examined the association of BMI, serum lipids and Homa-IR with serum adiponectin, leptin and hs-CRP levels. The subjects were divided into 3 groups by their BMI, normal weight (BMI ${\leq}$ 22.9, n = 30), overweight (23.0 ${\leq}$ BMI ${\leq}$ 24.9, n = 71) and obese group (25.0 ${\leq}$ BMI, n = 59). Serum levels of total-cholesterol, TG, and LDL-cholesterol were significantly higher in obese group than in normal weight group. LDL/HDL ratio and AI were significantly higher in obese group than in normal or overweight group. Fasting serum levels of glucose and insulin and Homa-IR as a marker of insulin resistance were significantly higher in obese group than in overweight group. Serum leptin level was significantly higher in obese group while serum adiponectin level was significantly lower in obese group compared to other two groups. hs-CRP was significantly increased in obese group. Correlation data show that serum adiponectin level was positively correlated with serum HDLcholesterol level and was negatively correlated with BMI, WC, TG, LDL-cholesterol, Homa-IR, hs-CRP and leptin. In addition, serum leptin level was positively correlated with BMI, WC, glucose, insulin, Homa-IR and hs-CRP. These results might imply that the regulation of key adipokines such as adiponectin might be a strategy for the prevention or treatment of obesity-associated diseases such as diabetes and CVD.

• The Korean Journal of Food And Nutrition
• /
• v.22 no.4
• /
• pp.554-559
• /
• 2009

The purpose of this study was to determine changes in body composition and blood lipids and to analyze the effects of Danhak exercise for 3 months in older women. For this study, 35 female subjects 60 to 70 years of age were recruited and administered 90 min of Danhak exercise, five times per week for three months by a professional coach. The results of this study were as follows: At baseline, the mean BMI(body mass index) and body fat(%) were 23.9 kg/$(m)^2$ and 32.4$\pm$4.9(%), respectively. The mean WHR(waist-hip ratio) was 0.91$\pm$0.04 and all subjects were determined to be abdominally obese. A significantly lower body fat was observed after 3 months of Danhak exercise(p<0.05). However, there were no significant differences in BMI, WHR or body weight before and after exercise. Danhak exercise also resulted in a decrease in total cholesterol and an increase in HDL(high density lipoprotein, and these differences were significant. Taken together, the results of this study indicate that the effects of Danhak exercise were similar to those of aerobic exercise with respect to improve body fat(%) and blood lipid profiles, which suggests that Danhak is a profitable exercise for individuals aged 60 and over.

• Tuberculosis and Respiratory Diseases
• /
• v.54 no.2
• /
• pp.210-218
• /
• 2003

Background : Sex specific cross sectional reference values for the lung function indices usually employ a linear model with a term for age and height. The purpose of this study was to determine the effects of the body mass index (BMI), the fat percentage of the body mass and the fat-free mass index (FFMI) on the forced expiratory volume curve. Methods : Between January 2000 and December 2001, a total of 300 subjects, 150 men and 150 women (mean age : $45{\pm}13$ years), with a normal lung function were enrolled in the study sample. This study measured the $FEV_1$, FVC and $FEF_{25-75%}$ from the forced expiratory volume curve by a spirometer and the body composition by a bioelectrical impedance method in all subjects. Multiple regression analysis was used in order to examine the effects of the body composition on the parameters derived from the forced expiratory volume curve. Results : After adjusting for age, the BMI and Fat percentage improved the descriptions of the FVC (p<0.05, $r^2=0.491$) and $FEV_1$ (p<0.05, $r^2=0.654$) in women. In contrast, the FFMI contributed significantly to the FVC (p<0.05, $r^2=0.432$) and $FEV_1$ (p<0.05, $r^2=0.567$) in men. The $FEF_{25-75%}$ correlated with the fat percentage in women (p<0.05, $r^2=0.337$). Conclusion : These results suggest that the BMI, the fat percentage and the FFMI are significant determinants of the forced expiratory volume curve. The plmonary function test, when considering the BMI, the fat percentage and the FFMI, might be useful in clinical applications.

• Journal of Community Nutrition
• /
• v.1 no.1
• /
• pp.33-38
• /
• 1999

Since binge eating is known to be related to increased risk of body weight fluctuations, it may be associated with increased health risks. This study was conducted to investigate the risks of binge eating on the cardiovascular system of female university students in Korea. Sixty-five female university students who were interested in a weight control program were recruited from a university campus. After personal interviews were conducted using a semi-structured questionnaire, 36 individuals were classified as binge eaters and 29 as non-binge eaters according to modified criteria of the proposed DSM-IV by the American Psychiatric Association(APA). All subjects participate in anthropometric and clinical measurements to evaluate the level of obesity and cardiovascular risks. Binge eating subjects showed no significant differences in obesity index compared to non-binge eating subjects. However, they had a higher level of low-density lipoprotein (LDL) cholesterol and a higher atherogenic index. They also showed close correlations with general obesity and cardiovascular risk factors. Body mass index(BMI) was the main explanatory index related to cardiovascular risk factors according to the stepwise regression analysis. Furthermore, obese binge subjects had higher levels than non-obese binge subjects or non-binge subjects for total cholesterol, LDL-cholesterol, triacylglycerols, atherogenic index, and systolic blood pressure. The findings strongly suggest that obese young women having binge eating episodes might display a greater risk for cardiovascular disease tan that shown for obese non-binge eating women.

• 대한예방의학회:학술대회논문집
• /
• 1998.10b
• /
• pp.343-344
• /
• 1998

• Journal of Sasang Constitutional Medicine
• /
• v.30 no.3
• /
• pp.48-61
• /
• 2018

Objectives The purpose of this study was to investigate the ordinary symptoms, special symptoms and Body Mass Index (BMI) according to Sasang constitution in female college students. Also, we aimed to analyze the factors affecting BMI. Methods Forty-four female college students participated in this study. Sasang Constitution was determined by Questionnaire for Sasang Constitution Classification (QSCC) II. BMI was measured and ordinary symptoms were acqired through the questionnaire. Special symptoms was determined by Fatigue Severity Index (FSS), Premenstrual Symptom Screening Tool (PSST), ROME III, Ocular Surface Disease Index (OSDI), respectively. For statistical analysis, t-test, analysis of variance and correlation test has been used. Results There existed significant differences in ordinary symptoms and special symptoms between sasang constitutions. Taeumin had higher urine frequency than soyangin, soeumin had higher gap of feces than taeumin. Taeumin had higher BMI and ROME III score than soyangin and soeumin. They showed significant differences in ordinary symptoms and special symptoms according to BMI. Overweight and obese group is higher in water intake than low and normal group. Low weight and normal group is higher in gap of feces than overweight and obese group. High score group in PSST and ROME III showed high BMI than low score group. We analyzed the factors that affect BMI. BMI are highly correlated with systolic and diastolic blood pressure. Also, FSS, PSST, ROME III and OSDI showed high correlation with each other. Conclusion Urine frequency and gap of feces are different among sasang constitutional types. The obese group and normal group showed significant differences in water intake, gap of feces, PSST and ROME III score. It is found that factors that affecting BMI are systolic and diastolic blood pressure. These results may lead to identifying the causes and factors of obesity in female college students related to Sasang constitution.

• Journal of the Korea Academia-Industrial cooperation Society
• /
• v.18 no.3
• /
• pp.157-164
• /
• 2017

This study investigated the prevalence of scoliosis among undergraduate students who were in early adulthood, and to examine its relationship with body mass index (BMI), which has been associated with scoliosis in previous studies. A descriptive survey of 158 students of universities based in Seoul, Daejeon, Daegu, and Gyeonggi Province was conducted. A structured questionnaire comprising items pertaining to general features, postural features, and BMI was used, and the angle of the trunk rotation (ATR) was measured directly with a scoliometer to assess the spinal angle. Participants with an ATR of greater than $6^{\circ}$ were classified into the scoliosis group. Data were collected for three weeks from November 7, 2014. Scoliosis and BMI were analyzed for their frequencies and percentages, and their relationships were analyzed using the ${\chi}^2$-test and Logistic regression. Overall, 114 (72.2%) participants had an ATR of smaller than $5^{\circ}$, while 44 (27.8%) had an ATR of greater than $6^{\circ}$. After excluding the confounding variables, the overweight group was 2.63 times more likely than the normal BMI group to have an ATR of greater than $6^{\circ}$ which was statistically significant. However, the underweight group was 0.24 times less likely than the normal BMI group to have an ATR of greater than $6^{\circ}$, but this difference was not statistically significant. Although early examination and management of scoliosis in South Korea is generally performed on children and adolescents, the high prevalence of scoliosis among university students found in this study calls for aggressive early examination and management for this age group as well.

• Journal of Environmental Health Sciences
• /
• v.36 no.3
• /
• pp.215-221
• /
• 2010

The purpose of this study was to investigate the relevance of gender, age, and BMI (Body Mass Index) to changes in the urinary creatinine concentration in Korean adults. We recruited and surveyed 2,156 persons $\geq$20 years of age from 98 districts across the country, and collected urine samples for analyzing the creatinine concentration. Participants were 41.6% men and 58.4% women. In terms of age, the percentage of the population in their 20's and $\geq$60 years of age was relatively similar, with 13.6% and 17.8%, respectively, while the percentages in their 30's, 40's and 50's were also relatively similar, with 22.0%, 24.0%, and 22.6%, respectively. The proportion of participants in their 20's and 30's who were underweight (according to the BMI) was 25% and 19.2%, respectively, but only 6.2~6.4% of those $\geq$40 years of age were underweight. This showed that the underweight proportion in elder generations was less than that in younger generations. Meanwhile, the proportion who were overweight was 13.7%, 18.8%, 28.6%, 27.9%, 32.0% when the participants were in their 20's, 30's, 40's, 50's and $\geq$60 years of age, respectively (p<0.000). This showed that the overweight proportion increased along with increasing age. The overall urinary creatinine concentration was 10 mg/dl (arithmetic mean: AM), and 92.2 mg/dl (geometric mean: GM). The urinary creatinine concentration in men (132.6 mg/dl, AM) was significantly higher than that in women (93.3 mg/dl, AM (p<0.000)). Showing a similar trend in men and women, urinary creatinine concentrations were highest when the participants were in their 20's (135.6 mg/dl, AM), and tended to decrease with increasing age. Urinary creatinine concentrations in overweight and obese subjects (AM of 117.9 mg/dl and 118.0 mg/dl, respectively) were significantly higher than in other groups, and this trend was similar in men and women. In conclusion, we found that urinary concentrations were significantly affected by gender, age, and BMI, and that care should therefore be exercised when correcting urinary metabolites according to the urinary creatinine concentration.

• Journal of Sasang Constitutional Medicine
• /
• v.26 no.4
• /
• pp.365-378
• /
• 2014

Objectives This study was performed to investigate the cut-off values of abdominal circumference and Body Mass Index(BMI) according to Sasang Constitution. Methods A total of 1,773 persons, namely 440 male people and 1,333 female people, in ages from 40 to 69 years old, participated in this research. They are all included in the community based Genomic cohort in Wonju in years from 2006 to 2013. The diagnostic criteria of metabolic syndrome was used followed by the National Cholesterol Education Program in Adult Treatment Panel III (NCEP ATP III) and Asian pacific guideline for only abdominal obesity. Results The prevalence of metabolic syndrome was 34.8% for men and 37.6% for women in this research. Taeeumin was the highly significant risk type for the metabolic syndrome in both sexes. Cut-off values of abdominal circumference were 88.3 cm in men, 80.3 cm in women, and cut-off values of BMI were $24.2kg/m^2$ in men and $25.3kg/m^2$ in women. For men, cut-off values of abdominal circumference were 79.5cm in Soyangin, 88.8 cm in Taeeumin and 79.5 cm in Soeumin, and cut-off values of BMI were $23.2kg/m^2$ in Soyangin, $25.6kg/m^2$ in Taeeumin and $20.6kg/m^2$ in Soeumin. For women, cut-off values of abdominal circumference were 76.3 cm in Soyangin, 80.3 cm in Taeeumin and 76.8 cm in Soeumin, and cut-off values of BMI were $22.4kg/m^2$ in Soyangin, $24.9kg/m^2$ in Taeeumin and $21.3kg/m^2$ in Soeumin. Conclusions Although 90 cm in men, 80 cm in women as an Asian pacific guideline were regarded as quite approximate to the mean value of abdominal circumference and $25kg/m^2$ to BMI. But if the results could be allocated in terms of the Sasang constitutional method, the cut-off values for Soyangin and Soeumin should be lowered than now.

• Journal of Preventive Medicine and Public Health
• /
• v.45 no.6
• /
• pp.394-401
• /
• 2012

Objectives: Diabetes and obesity each increases mortality, but recent papers have shown that lean Asian persons were at greater risk for mortality than were obese persons. The objective of this study is to determine whether an interaction exists between body mass index (BMI) and diabetes, which can modify the risk of death by cardiovascular disease (CVD). Methods: Subjects who were over 20 years of age, and who had information regarding BMI, past history of diabetes, and fasting blood glucose levels (n=16 048), were selected from the Korea Multi-center Cancer Cohort study participants. By 2008, a total of 1290 participants had died; 251 and 155 had died of CVD and stroke, respectively. The hazard for deaths was calculated with hazard ratio (HR) and 95% confidence interval (95% CI) by Cox proportional hazard model. Results: Compared with the normal population, patients with diabetes were at higher risk for CVD and stroke deaths (HR, 1.84; 95% CI, 1.33 to 2.56; HR, 1.82; 95% CI, 1.20 to 2.76; respectively). Relative to subjects with no diabetes and normal BMI (21 to 22.9 $kg/m^2$), lean subjects with diabetes (BMI <21 $kg/m^2$) had a greater risk for CVD and stroke deaths (HR, 2.83; 95% CI, 1.57 to 5.09; HR, 3.27; 95% CI, 1.58 to 6.76; respectively), while obese subjects with diabetes (BMI ${\geq}25kg/m^2$) had no increased death risk (p-interaction <0.05). This pattern was consistent in sub-populations with no incidence of hypertension. Conclusions: This study suggests that diabetes in lean people is more critical to CVD deaths than it is in obese people.