The Multicomponent Anthropometric Model for Assessing Body Composition in a Male Pediatric Population: A Simultaneous Prediction of Fat Mass, Bone Mineral Content, and Lean Soft Tissue

Table 3

Multicomponent anthropometric model matrix, precision, and internal cross-validity for simultaneously measuring of body composition in boys.

	𝛽 FM	𝛽 BMC	𝛽 LST
Height (cm)	−0.0857	0.0032	0.0820
Weight (kg)	0.3139	0.0392	0.6419
SkSi (mm)	0.1970	−0.0095	−0.1964
SkHab (mm)	0.2350	−0.0105	−0.2321
PHV (yr)	−0.6571	0.0525	0.7047
Precision
𝑅^2	0.9808	0.9930	0.9981
Adj 𝑅^2	0.9805	0.9929	0.9981
SEEresidual (kg)	1.6660	0.1923	1.7480
Cross-validation
PRESS	1162.433	15.37255	1280.083
𝑅^2PRESS	0.9490	0.9402	0.9804
SEEPRESS (kg)	0.0850	0.0098	0.0892

𝛽: estimated parameter vector; FM: fat mass, BMC: bone mineral content; LST: lean soft tissue; Sk: skinfold; SkSi: suprailiac; SkHab: horizontal abdominal; PHV: age for peak height velocity; 𝑅²: coefficient of determination (observed and cross-predicted); Adj 𝑅²: adjusted coefficient of determination; SEE_residual: residual standard error of estimate; PRESS: sum of squares of residuals; 𝑅²_PRESS: press coefficient of determination; SEE_PRESS: press standard error of estimate.