Should waist circumference be used to identify metabolic disorders than BMI in South Korea
2010
Lee, S.K.
Although indicators of central obesity have been suggested as a better alternative to body mass index (BMI), yet mixed results exist. This study examined whether waist circumference (WC) was better in identifying metabolic disorders than BMI at two time points. This study used nationally representative 1998 and 2005 Korea National Health and Nutrition Examination Survey data sets. Odds ratios from logistic regressions and area under the curves (AUC) were calculated. BMI and WC showed similar level of odds ratios (1.1–1.6) to diabetes, hypertension, dyslipidemia and having two or three metabolic syndrome criteria. The AUC comparison, however, indicated that, in only women, WC was a better discriminator for diabetes, hypertension and having two or three metabolic syndrome criteria. No meaningful differences were found between 1998 and 2005. Prospective studies to weigh practical and clinical relevance are needed to assert the use of WC over BMI in clinical and public health settings.
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