Table 1.

Predictive equations used to estimate fat free mass using bioelectrical impedance measurements in healthy, adult African born blacks in the United States.

Reference	Predictive Equation Used to Calculate Fat Free Mass	Criterion Method	Participants (N)
NHANES III [22]	M: −10.678 + 0.262*wt + 0.652*ht2/ Res + 0.015*Res	4-C	Black American Male	114
			White American Male	412
	F: −9.529 + 0.168*wt + 0.696*ht2/Res + 0.016*Res		Black American Female	156
			White American Female	622
Sun [18]	M: 1.2 + 0.45*(ht2/Res) + 0.18(wt)/0.73	D2O	Black American Male	114
			White American Male	412
	F: 3.75 + 0.45*(ht2/Res) + 0.11*wt)/0.73		Black American Female	156
			White American Female	622
METS [20]	12.6 + 0.22*wt + 0.46*(ht2/Res) − 5.7*Sexa	D2O	Black Ghanaian Male	20
			Black South African Male	22
			Black Jamaican Male	23
			Black Seychellois Male	27
			Black American Male	26
			Black Ghanaian Female	24
			Black South African Female	28
			Black Jamaican Female	24
			Black Seychellois Female	27
			Black American Female	23
Zillikens [19]	−9.212 + 0.576*(ht2/Res) + 0.128*Xc + 0.107*wt)/0.73	D2O	Black American Male	43
			Black American Female	45
Luke [21]	1.3 + 0.097*wt + 0.518*(ht2/Res))/0.73	D2O	Black Nigerian Male	137
			Black Jamaican Male	94
			Black American Male	189
			Black Nigerian Female	161
			Black Jamaican Female	146
			Black American Female	327

Abbreviations: M, Males; F, Females; ht, height (centimeters); NHANES, National Health and Nutrition Examination Survey; wt, weight (kilograms); Res, Resistance (ohms); 4-C, four component model; D₂O, deuterated water method; METS, Modeling the Epidemiologic Transition Study; Xc, reactance.

^aSex: 0=Men; 1=Women.