Anthropometric multicompartmental model to predict body composition In Brazilian girls

Table 3 Parameters, precision and validity of multicomponent anthropometric model, to predict body composition in peripubertal girls

	β LST (kg)	β BMC (kg)	β FM (kg)	F num.	p (>F) Pillai	Sig.
Intercept	-1.8504187	0.373397388	2.8461916
Weight	0.6662657	0.022218491	0.3645630	890.28	<2.2e^-16	***
SiSk	-0.2157279	-0.010010969	0.1000325	54.97	<2.2e^-16	***
HaSk	-0.2069373	-0.006453997	0.2888978	6.56	0.0005247	***
CaCi	0.3411678	0.008478514	-0.4752146	2.84	0.0435579	*
Precision
r²	0.9392	0.8578	0.9056
r²(adj)	0.9361	0.8506	0.9008
SEE (kg)	2.0422	0.1012	2.2300
Cross-validation				(>) VIF	Eigenvalue
PRESS	329.300	0.809	392.852	7.282	89.000
Q² _PRESS	0.9272	0.8112	0.8872
S_PRESS	0.2718	0.0142	0.2966

LST Lean soft tissue, BMC Bone mineral content, FM Fat mass, Sig. = 0,000 ‘***’; 0,001 ‘**’; 0,05 ‘*’, SiSk Supra-iliac skinfold, HaSk Horizontal abdominal skinfold, CaCi Contracted arm circumference, r ² coefficient of determination (observed and cross-predicted), r ² (adj) adjusted coefficient of determination, SEE residual standard error of estimate, PRESS sum of squares of residuals, Q ² _PRESS press coefficient of determination, SEE _PRESS press standard error of estimate, VIF Variance inflation factor, Eigenvalue characteristic values of regression

ISSN: 2052-1847