Kwok et al reported equations for estimating body fat in an older Chinese adult. The authors are from the University of Hong Kong.
Patient selection: Chinese adult, 69 to 82 yuears old for female and 69 to 79 for male)
Parameters:
(1) sex (1 if male, 2 if female)
(2) body mass index in kg per square meter
(3) tricep skinfold thickness in mm (TSF)
(4) bicep skinfold thickness in mm (BSF)
(5) mid-arm circumference in cm (MAC)
(6) arm span in cm
BMI by arm span =
= (body weight in kg) / (((arm span in cm)/100)^2)
percent fat =
= (6.137 * (points for sex)) + (1.12 * (BMI)) + (17.308 * LOG10((TSF) + (BSF))) - 27.149
percent fat =
= (6.348 * (points for sex)) + (1.125 * (BMI by arm span)) + (17.28 * LOG10((TSF) + (BSF))) - 25.572
percent fat =
= (6.572 * (points for sex)) + (0.774 * (MAC)) + (23.653 * LOG10((TSF) + (BSF))) - 30.702
