Waist circumference and not body mass index explains obesity-related health risk

The addition of waist circumference (WC) to body mass index (BMI; in kg/m(2)) predicts a greater variance in health risk than does BMI alone; however, whether the reverse is true is not known.We evaluated whether BMI adds to the predictive power of WC in assessing obesity-related comorbidity.Subjects were 14 924 adult participants in the third National Health and Nutrition Examination Survey, grouped into categories of BMI and WC in accordance...