Research Article

Body Fat Equations and Electrical Bioimpedance Values in Prediction of Cardiovascular Risk Factors in Eutrophic and Overweight Adolescents

Table 4

Multiple linear regression coefficient ( ) and coefficient of determination ( ) of the relationship between percentage of body fat, adjusted for sex and normal individuals with excess body fat, and biochemical and clinical parameters in eutrophic adolescents (G1) (Viçosa, Minas Gerais, Brazil (2010)).

Eq (1)Eq (2)Eq (3)Eq (4)Eq (5)Eq (6)Eq (7)Eq (8)Eq (9)Eq (10)BIA1BIA2

Fasting glucose (mg/dL) 0.210.110.210.280.110.13−0.290.080.220.25
0.180.170.180.180.170.170.190.170.170.18
TC (mg/dL) 0.0020.0030.0030.00070.004−0.0020.001−0.001−0.0030.0020.0001−0.003
0.090.110.100.090.100.110.080.080.090.090.080.10
LDL (mg/dL) 0.0040.0040.0030.0030.007−0.00070.003−0.0005−0.0010.0040.0008−0.002
0.070.080.070.070.080.070.060.060.060.070.060.07
TG (mg/dL) 0.020.020.0080.02−0.0040.010.001
0.110.120.040.110.080.050.06
Insulin ( U/dL) 0.0030.0030.01**0.0010.003
0.490.490.510.490.49
HOMA-IR 0.01**
0.09
SBP (mmHg) 0.030.240.0020.130.33−0.020.140.010.220.43−0.17−0.02
0.150.150.150.150.160.150.150.150.150.180.150.15
DBP (mmHg) −0.010.160.200.370.74**0.110.36−0.130.290.140.190.28
0.050.090.070.090.120.080.080.050.080.090.070.06

Note. HDL, TC/HDL, LDL/HDL, and uric acid did not meet the assumptions of linear regression. BIA1: tetra-polar horizontal electrical bioimpedance analysis; BIA2: tetra-polar vertical electrical bioimpedance analysis using 8-point tactile electrode; Eq: equation; TC: total cholesterol; TG: triglycerides; LDL: low-density lipoprotein; HOMA-IR: homeostasis model assessment-insulin resistance; SBP: systolic blood pressure; DBP: diastolic blood pressure; : coefficient of multiple linear regression, : coefficient of determination, —: did not meet the assumptions of linear regression; * ; ** ; .