Predicting body composition using foot-to-foot bioelectrical impedance analysis in healthy Asian individuals

Nutrition Journal

Table 4 Multiple stepwise regression analysis results for h²/Z_F-F measured with foot-to-foot BIA as an independent variable and FFM_DXA as a dependent variable

Dependent variables used in model (All subjects, n = 554)								Dependent variable
h²/Z_F-F	Sex	Weight	Age	Intercept	SEE(kg)	r²	VIF	β	r	SEE (kg)
0.84 ± 0.02^**	-	-	-	−0.10 ± 0.96	4.54	0.84	4.27	0.43	0.92^**	4.54
0.63 ± 0.02^**	6.99 ± 0.49^**	-	-	8.68 ± 1.03^**	3.88	0.89	2.25	0.36	0.82^**	6.52
0.52 ± 0.03^**	7.56 ± 0.47^**	0.14 ± 0.02^**	-	7.09 ± 0.99^**	3.68	0.90	2.49	0.25	0.73^**	7.74
0.39 ± 0.02^**	8.12 ± 0.41^**	0.20 ± 0.02^**	−0.14 ± 0.01^**	13.05 ± 0.96^**	3.16	0.92	1.16	−0.18	−0.29^**	10.76

Regression coefficient estimate ± SE; r, variance; r², determination coefficient; ^*p < 0.05, ^**p < 0.001; β: Standardized coefficients; VIF, variance inflation factor

ISSN: 1475-2891