Table 2 The GLM ANCOVA analyses for outcome variables the right and left 2D:4D ratios and sex, population, age, average finger length for the right and left hand in the whole sample, and sex, age, average finger length for each population.

From: Sex, population origin, age and average digit length as predictors of digit ratio in three large world populations

Population

Dependent variable

R2

Df

Independent variables

F

P

η2

Total

sample

R2D:4D

0.140

1

Sex

445.765

3.677E−96

0.056

2

Population

295.104

4.373E−124

0.073

1

Age

70.237

6.225E−17

0.009

1

R average finger length

0.571

0.450

0.000

L2D:4D

0.096

1

Sex

282.603

4.161E−62

0.042

2

Population

171.900

1.816E−73

0.050

1

Age

7.301

0.007

0.001

1

L average finger length

1.361

0.243

0.000

European origin

R2D:4D

0.060

1

Sex

178.003

1.722E−39

0.056

1

Age

1.737

0.188

0.001

1

R average finger length

1.137

0.286

0.000

L2D:4D

0.045

1

Sex

103.720

7.018E−24

0.041

1

Age

0.286

0.593

0.000

1

L average finger length

0.285

0.593

0.000

African origin

R2D:4D

0.070

1

Sex

140.822

1.001E−31

0.048

1

Age

69.291

1.311E−16

0.024

1

R average finger length

1.225

0.269

0.000

L2D:4D

0.028

1

Sex

62.874

3.363E−15

0.026

1

Age

5.718

0.017

0.002

1

L average finger length

0.026

0.872

0.000

Asian origin

R2D:4D

0.089

1

Sex

151.732

1.934E−33

0.083

1

Age

0.044

0.835

0.000

1

R average finger length

0.015

0.904

0.000

L2D:4D

0.087

1

Sex

137.735

1.256E−30

0.076

1

Age

5.330

0.021

0.003

1

L average finger length

7.706

0.006

0.003

  1. R2 R Squared, df degrees of freedom, F F test statistics, p statistical significance, η2 Partial Eta Squared effect size.