Body Mass Index (BMI) 分類に基づく肥満と生活習慣病関連因子の検討

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A total of 5,933 subjects were enrolled in a cross-sectional study to examine the relationship between body mass index (BMI) and risk factors for lifestyle-related disease. Among 7 risk factors including HbA1c, systolic and diastolic blood pressure, total cholesterol, HDL cholesterol, triglyceride and uric acid, the higher correlations were found between BMI and systolic and diastolic blood pressure, HDL cholesterol and uric acid. When participants were divided into 4 groups according to the criteria for obesity (group 1 : BMI<18.5 ; group 2 : BMI≥18.5,<25 ; group 3 : BMI≥25,<30 ; group 4 : BMI≥30), there were significant differences in mean value of risk factors among 4 groups, except for HbA1c between group 1 and 2,and total cholesterol and triglyceride between group 3 and 4. The prevalence of high HbA1c level, hypertension, hyperlipidemia and hyperuricemia rose significantly with increasing BMI. In group 2 which was defined as normal weight, subjects with a BMI of 24 to 25 had a significantly increased risk for lifestyle-related disease as compared with those with a BMI of 18.5 to 24. A similar result was observed in group 3 which was defined as grade 1 obesity, when subjects in group 3 were stratified into 2 subgroups according to BMI. From these results, it has been confirmed that a high BMI is associated with an increased risk for lifestyle-related disease. Furthermore, it has been suggested that a careful counseling for healthy lifestyle is required even in subjects with a BMI of 24 to 25.
香川県立保健医療大学の論文

Body Mass Index (BMI) 分類に基づく肥満と生活習慣病関連因子の検討

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