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. 2013 May 16;2013:501638. doi: 10.1155/2013/501638

Table 5.

Simple linear regression coefficient (β) and coefficient of determination (r 2) of the relationship between percentage of body fat and biochemical and clinical parameters in overweight adolescents (G2) (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) BIA1 BIA2
Fasting glucose (mg/dL) β 0.19 0.13 0.16* 0.17 0.22 0.08 0.04 0.15 0.13 0.13 0.18 0.06
r 2 0.03 0.01 0.06 0.005 0.03 0.01 0.002 0.02 0.01 0.02 0.03 0.005
TC (mg/dL) β 0.004** 0.0003 0.002** 0.004‡ 0.006** 0.003** 0.003** 0.004** 0.006‡ 0.004** 0.005 0.004
r 2 0.12 0.00 0.11 0.17 0.16 0.14 0.12 0.11 0.18 0.12 0.16 0.17
HDL (mg/dL) β 0.41* 0.58* 0.08 0.25 0.47* 0.37** 0.42** 0.34 0.56* 0.46* 0.46* 0.30
r 2 0.06 0.06 0.006 0.04 0.06 0.11 0.11 0.04 0.08 0.09 0.08 0.04
LDL (mg/dL) β 0.74 −0.36 0.50* 0.62* 1.03* 0.46 0.50 0.81 1.08* 0.63 0.80 0.87*
r 2 0.04 0.01 0.06 0.06 0.07 0.04 0.04 0.05 0.07 0.04 0.06 0.09
TG (mg/dL) β 0.007 −0.002 0.006** 0.007* 0.01* 0.004 0.003 0.006 0.01* 0.004 0.008* 0.006
r 2 0.04 0.001 0.10 0.08
 0.06 0.03 0.01 0.02 0.06 0.02 0.06 0.04
TC/HDL β 0.000 −0.006 0.001 0.001 0.001 −0.001 −0.001 0.001 0.0002 −0.001 0.000 0.001
r 2 0.000
 0.05
 0.02
 0.003
 0.001
 0.005
 0.005
 0.002
 0.0001
 0.002
 0.000
 0.006
LDL/HDL
 β −0.006 −0.04* 0.004 −0.002 −0.002 −0.009 −0.008 0.002 −0.006 −0.008 −0.008 0.004
r 2 0.003
 0.06 0.04 0.0004 0.0004 0.01 0.01 0.0002 0.002 0.006 0.005
 0.002
Uric Acid (mg/dL) β −0.02 −0.07* 0.03* 0.01 −0.02 −0.03* −0.05** −0.02 −0.03 −0.04* −0.03 −0.01
r 2 0.01 0.06 0.08 0.01 0.009 0.07 0.13 0.02 0.02 0.06 0.02 0.005
Insulin (μU/dL) β 0.008* 0.01** 0.006* 0.008** 0.01* 0.004 0.004 0.01* 0.01** 0.008* 0.01** 0.006*
r 2 0.07 0.11 0.09 0.13 0.09 0.05 0.02 0.09 0.01 0.08 0.10 0.06
HOMA-IR β 0.01* 0.02** 0.006** 0.009** 0.01* 0.005 0.004 0.01* 0.01* 0.009* 0.01** 0.006
r 2 0.08 0.10 0.10 0.13 0.09 0.05 0.02 0.08 0.09 0.07 0.10 0.05
SBP (mmHg) β −0.14 −0.28 0.04 −0.003 −0.11 −0.18 −0.14 −0.14 −0.38 −0.08 −0.29 −0.27
r 2 0.009 0.02 0.002 0.00 0.004 0.04 0.02 0.009 0.05 0.004 0.04 0.05
DBP (mmHg) β 0.38* 0.14 0.10 0.19 0.43* 0.24* 0.36** 0.54** 0.55** 0.55‡ 0.45** 0.42**
r 2 0.07 0.005 0.10 0.04 0.08 0.07 0.12 0.14 0.12 0.18 0.12 0.14

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; HDL: high-density lipoprotein; LDL: low-density lipoprotein; HOMA-IR: homeostasis model assessment-insulin resistance; SBP: systolic blood pressure; DBP: diastolic blood pressure; β: coefficient of linear regression; r 2: coefficient of determination; *P < 0.05; **P < 0.001; ‡ P < 0.0001.