Anthropometric indices and their relationship with cardiometabolic risk factors in a sample of Turkish adults.

OBJECTIVE To identify the best anthropometric index that predicts cardiometabolic risk factors.Design and settingCross-sectional study in Turkey, in 2003. SUBJECTS Turkish men and women aged 18 years and over (n 1692) were examined. Body weight, height, waist and hip circumferences, blood pressure, total cholesterol, HDL cholesterol, TAG, glucose and insulin were measured. Metabolic syndrome score was calculated as the sum of modified National Cholesterol Education Program Adult Treatment Panel III criteria, excluding waist circumference. Insulin resistance was estimated by homeostasis model assessment (HOMA-IR). RESULTS BMI, waist:hip ratio (WHpR), waist:height ratio (WHtR), waist circumference (WC) and hip circumference (HC) were significantly correlated with each other. Partial correlation coefficients between systolic blood pressure, HDL cholesterol, TAG levels or HOMA-IR and BMI, WC or WHtR were similar and higher than correlation coefficients of WHpR and HC. The association of anthropometric indices with metabolic syndrome score and Framingham risk score was highest for WHtR. Areas under the receiver-operating characteristic curves showed that WHtR was the best anthropometric index that discriminated between the presence and absence of hypertension, diabetes and metabolic syndrome, whereas WHpR was better for dyslipidaemia. CONCLUSIONS WHtR was the best anthropometric index for predicting most cardiometabolic risk factors. WC and BMI ranked second for their predictive capability of cardiometabolic risk, followed by WHpR and HC.