Recent research, however, suggests that the distribution of body fat, for which BMI does not account, is a more important indicator of cardiovascular risk. Current World Health Organization guidelines for cardiometabolic risk employ these thresholds. BMI is easily obtained and commonly assessed in clinical settings, and most current standards for overweight (BMI ≥ 25 kg/m 2) and obesity (BMI ≥ 30 kg/m 2) are based on BMI. It should be useful for health care practitioners and public health officials who wish to identify individuals and populations at risk for cardiometabolic disease when WC data are unavailable.īody mass index (BMI), defined as weight in kilograms divided by the square of height in meters, has long been an important measure of excess body fat, and a high BMI is a well-recognized risk factor for cardiometabolic disorders. The model accurately estimates WC and identifies cardiometabolic risk. The model is generalizable to Caucasian and African-American adult populations because it was constructed from data on a large, population-based sample of men and women in the United States, and then validated in a population with a larger representation of African-Americans. In ARIC, the model closely estimated the observed WC (median difference: − 0.34 cm for men, +3.94 cm for women), correctly classifying 86.1% of ARIC subjects with respect to abdominal obesity and 91.5% to 99.5% as to cardiometabolic risk. Median differences between actual and predicted WC were − 0.07 cm for men and 0.11 cm for women. The model correctly classified 88.4% of NHANES subjects with respect to abdominal obesity. We used the predicted WC to assess abdominal obesity and cardiometabolic risk. For validation, those regressions were applied to ARIC data, assigning a predicted WC to each individual. We developed linear regression models for men and women using NHANES data, fitting waist circumference as a function of BMI. Methodsĭata were obtained from the Third National Health and Nutrition Examination Survey (NHANES) and the Atherosclerosis Risk in Communities Study (ARIC). Because WC is typically not assessed in clinical practice, this study sought to develop and verify a model to predict WC from BMI and demographic data, and to use the predicted WC to assess cardiometabolic risk. Although both body mass index (BMI) and waist circumference (WC) measure the level of overweight and obesity, WC may be more important because of its closer relationship to total body fat. § Less than 18.Being overweight or obese increases risk for cardiometabolic disorders. According to CDC (centers for disease control and prevention), BMI: Just like all the other calculable entities, BMI is measured in International Standard Metric Unit system in kg/m2, and in US system in 703 This BMI Calculator takes your age into consideration is used to evaluate your weight status. However, BMI does not estimate the measure your body fat percentage. However, due to the different assortment of body types, the division of muscle mass and bone mass it is not the only and final reliable measure. It is used as the diagnostic indicator to indicate if you are overweight, obese, underweight, normal weight. For every height there is a respective optimal weight that an individual must hold to be termed as healthy. The Body Mass Index is the ratio of your body weight assessed in the parameters of height and weight.
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