Table 3 Association between Dietary antioxidant capacity (DaC) and body composition parameters (n = 20).

From: Dietary antioxidant capacity is inversely associated with F2- isoprostane and body fat percentage in elite soccer referees

Independent Variable

Dependent Variable

Unadjusted Model

Adjusted Model

β

(95%CI)

p-value

β

(95%CI)

p-value

R2 fit

f2 cohene

(95%CI)

VIF

DaC

Body mass

−0.498

[−2.332, 1.334]

0.574

0.742

[−1.812, 0.328]

0.159a

0.672

2.50

[0.93, 6.28]

2.33

% BF

−0.650

[−1.610, 0.308]

0.171

−0.818

[−1.515, −0.120]

0.025 b

0.556

1.25

[0.47, 3.77]

2.51

Lean mass

0.082

[−1.527, 1.692]

0.915

0.714

[−0.201, 1.630]

0.116c

0.735

2.77

[1.36, 8.60]

3.75

Waist circumference

−0.192

[−1.150, 0.766]

0.678

−0.426

[−1.089, 0.236]

0.189d

0.499

1.00

[0.06, 1.53]

1.85

  1. β, regression coefficient; 95%IC, 95% confidence interval; R2 fit, fitted coefficient of determination; DaC, Dietary antioxidant Capacity. VIF, Variance Inflation Factor. Adjusted model: aFitted for age, height, and family income. bFitted for height, family income and lean mass. cFitted for height, family income, and body mass dFitted for age, lean mass, and family income. Significance level p<0.05. eEffect size: small (between 0.02 and 0.14), medium (between 0.15 and 0.34) or large (≥0.35).