Zanovec et al reported equations for predicting percent body fat in adults that are suitable for field studies. The authors are from Louisiana State University and St. Louis School of Public Health.
Patient selection: NHANES data 1999-2004, age >= 20 years
Parameters:
(1) ethnic group: Mexican Americans/Hispanic, White, Black
(2) body mass index (BMI) in kg per sq meter
(3) waist circumference in cm
(4) gender/sex
(5) age in years
Parameter
Finding
Beta-Coefficients
ethnic group
Mexican American
0.71
Black
-1.98
White
0
BMI
0.8 * (BMI)
gender
male
-11.47
female
0
age
0.09 * (age)
percent body fat =
= SUM(points for all of the beta-coefficients) + 13.45
Parameter
Finding
Beta-Coefficients
ethnic group
Mexican American
1.21
Black
-0.98
White
0
waist circumference
0.34 * (waist)
gender
male
-13.99
female
0
age
0.04 * (age)
percent body fat =
= SUM(points for all of the beta-coefficients) + 6.56
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