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Table 6 Analysis of covariance (ANCOVA) showing the effect of nutritional status (using BMI) and SES on testicular volume after adjusting for age Dependent Variable: Stage of testicular volume

From: Physical growth and sexual maturation of perinatally HIV-infected adolescent males in a southeast Nigerian tertiary hospital: a comparative cross-sectional study

Source

Type III Sum of Squares

Df

Mean Square

F

Sig.

Partial Eta-squared

Corrected Model

120.277a

9

13.364

34.361

0.000

0.767

Intercept

10.232

1

10.232

26.309

0.000

0.219

Age

84.998

1

82.989

213.401

0.000

0.694 *

Duration of HAART

0.229

1

0.229

0.588

0.445

0.006 *

BMZ

0.254

2

0.127

0.326

0.722

0.007 *

SES

5.316

2

2.685

6.835

0.002

0.127 *

BMZ x SES

2.537

3

0.846

2.175

0.096

0.065

Error

36.559

94

0.389

   

Total

1355.000

104

    

Corrected Total

156.837

103

    
  1. R Squared = 0.767 (Adjusted R Squared = 0.745), BMZ = BMI Z-score. * Effect size values of age (as covariate) and independent variables: ≤0.2 = small/weak effect, ≥ 0.5 = medium/large effect.
  2. Sig. =significance.