Table 3 Multiple regression models for the prediction of BIVA SDS from body composition SDS

From: Bio-electrical impedance vector analysis: testing Piccoli’s model against objective body composition data in children and adolescents

Outcome

Predictors

B-coefficient

Standard error

p-value

r2

RH SDS

Constant

−0.035

0.033

0.29

0.790

 

FFM-SDS

−0.829

0.033

<0.0001

 
 

FM-SDS

−0.038

0.033

0.26

 
 

Hydration-SDS

−0.041

0.036

0.25

 

XcH SDS

Constant

−0.051

0.057

0.37

0.454

 

FFM-SDS

−0.529

0.057

<0.0001

 
 

FM-SDS

−0.175

0.058

0.003

 
 

Hydration-SDS

−0.118

0.062

0.059

 

PA SDS

Constant

−0.027

0.059

0.65

0.127

 

FFM-SDS

0.388

0.059

<0.0001

 
 

FM-SDS

−0.165

0.060

0.006

 
 

Hydration-SDS

−0.103

0.064

0.11

 
  1. PA – phase angle, R/H – height-adjusted resistance, Xc/H – height-adjusted reactance
  2. FFM – Fat-free mass, FM – Fat mass, SDS – standard deviation score
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