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In the United States a waist circumference of >102 cm (≈40") in men and >88 cm (≈34.5") in women [26] or the waist–hip ratio (the circumference of the waist divided by that of the hips) of >0.9 for men and >0.85 for women are used to define central obesity. [27]
The waist–hip ratio or waist-to-hip ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips. This is calculated as waist measurement divided by hip measurement (W ⁄ H). For example, a person with a 75 cm waist and 95 cm hips (or a 30-inch waist and 38-inch hips) has WHR of about 0.79.
Other indices of body and fat mass, such as BMI and waist-to-height ratio, have undergone more research evaluation and longitudinal clinical applications than BRI, and may be better predictors of fat distribution (e.g., visceral vs. subcutaneous fat) for estimating health risks. [10] [11]
A 2023 study on 3,001 participants found that almost 1,000 of them had healthy BMIs with body fat percentages ranging from four percent to 49 percent. In this group, 26 percent of men and 38 ...
Body fat-defined obesity was found in 50% of men and 62% of women. While BMI-defined obesity showed high specificity (95% for men and 99% for women), BMI showed poor sensitivity (36% for men and 49% for women). In other words, the BMI will be mostly correct when determining a person to be obese, but can err quite frequently when determining a ...
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Silhouettes and waist circumferences representing normal, overweight, and obese. There are various ways of measuring abdominal obesity including: Absolute waist circumference (>102 cm (40 in) in men and >88 cm (35 in) in women) [78] Waist–hip ratio (the circumference of the waist divided by that of the hips of >0.9 for men and >0.85 for women ...
The BAI is calculated as: [2] Hip circumference (Pearson correlation coefficient, R = 0.602) and height (R = −0.524) are strongly correlated with percentage of body fat.. Comparing BAI with "gold standard" dual-energy X-ray absorptiometry (DXA) results, the correlation between DXA-derived percentage of adiposity and the BAI in a target population was R = 0.85, with a concordance of C_b = 0