H-R Lee

Yonsei University Hospital, Sŏul, Seoul, South Korea

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Publications (3)8.86 Total impact

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    ABSTRACT: BACKGROUND AND AIMS: Several studies demonstrated that reading nutrition labels was associated with healthier food choices, despite some controversy. This study investigated the association between the use of nutrition labels and metabolic syndrome (MetS) in Korean adults. METHODS AND RESULTS: This cross-sectional study included 7756 individuals who participated in the 2007-2009 Korean National Health and Nutrition Examination Survey (KNHANES). A self-reported questionnaire was used to determine participant's awareness of nutrition labels. Modified Asian criteria based on a harmonizing definition of MetS were adopted. Individuals in the group that read nutrition labels (the Reading Group) were youngest and leanest, but their daily caloric intake fell between that of the group that did not read nutrition labels (the Non-Reading Group) and the group that did not know about them (the Not-Knowing Group). The prevalence of MetS was 16.8% in the Reading Group, 27.2% in the Non-Reading Group, and 47.3% in the Not-Knowing Group. In comparison to participants in the Reading Group, the odds ratios (95% confidence interval) for MetS in the participants in the Non-Reading Group and Not-Knowing Group were 1.85 (1.60-2.14) and 4.44 (3.79-5.20), respectively, when not adjusted. The relationship between the use of nutrition labels and MetS remained statistically significant even after adjusting for covariates such as age, sex and socioeconomic status including household income and education level [1.27 (1.05-1.53) in the Non-Reading Group and 1.34 (1.05-1.70) in the Not-Knowing Group]. CONCLUSION: Reading nutrition labels appeared to be associated with a lower prevalence of MetS in a nationally representative sample of Korean adults.
    Nutrition, metabolism, and cardiovascular diseases: NMCD 11/2012; · 3.52 Impact Factor
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    ABSTRACT: It has been observed that non-alcoholic fatty liver disease (NAFLD) is associated with an increased risk of cardiovascular disease and insulin resistance. Pulmonary function is also known to be related with cardiovascular disease and metabolic syndrome. The objective of this study was to investigate the association between NAFLD and pulmonary function. We performed a cross-sectional study to examine the association of NAFLD based on abdominal sonographic findings and pulmonary function in 2119 Korean men between the ages of 30 and 75. Forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV(1)) were compared according to the presence of NAFLD. Univariate and multivariate logistic regression analyses were conducted to evaluate the relationship of NAFLD with FVC and FEV(1) as pulmonary function tests. The subjects with NAFLD had lower FVC and FEV(1) than their non-steatotic counterparts, and FVC and FEV(1) gradually decreased according to the grade of hepatic steatosis. After adjusting for age, body mass index, smoking status, blood pressure, fasting plasma glucose, total cholesterol, hypertension, diabetes, triglyceride and high-density lipoprotein cholesterol, the FVC and FEV(1) were found to be inversely associated with the presence of NAFLD. NAFLD was independently associated with reduced pulmonary function, and the severity of NAFLD was inversely correlated with pulmonary function.
    Internal Medicine Journal 12/2011; 42(5):541-6. · 1.82 Impact Factor
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    ABSTRACT: To estimate the prevalence of metabolic syndrome (MS) and determine its association with white blood cell (WBC) count as a marker of low-grade systemic inflammation in children and adolescents in Korea. We investigated the prevalence of MS and its association with WBC count in 928 children and adolescents. MS was defined as having 3 or more conditions based on the modified criteria of the National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATP III). The odds ratios (ORs) for MS were also calculated using multivariate logistic regression analysis across WBC count quartiles (Q1, <5200; Q2, 5200-6100; Q3, 6200-7200; and Q4, >or=7300 cells/microL for boys; Q1, <5200; Q2, 5200-6000; Q3, 6100-7000; and Q4, >or=7100 cells/microL for girls). The prevalence of MS in children and adolescents in Korea was 6.7% (8.5% in boys, 4.5% in girls, P<0.001). MS was more prevalent in overweight and obese children and adolescents in both boys and girls. The mean WBC counts continuously increased with each additional component of MS in both boys and girls. The ORs (95% CIs) for MS in each WBC quartile were 1.00, 1.56 (0.43-5.67), 4.47 (1.42-14.07), and 5.25 (1.71-16.07) in boys and 1.00, 1.05 (0.15-7.61), 2.89 (0.55-15.17), and 7.47 (1.61-36.67) in girls after adjusting for age, household income, and residential area. In summary, this study shows that a substantial number of children and adolescents in Korea have MS, and elevated WBC count may be a surrogate marker for MS.
    Nutrition, metabolism, and cardiovascular diseases: NMCD 08/2009; 20(3):165-72. · 3.52 Impact Factor