Table 2 Descriptive statistics and sex differences in aggression scales (BPAQ) and right-hand 2D:4D ratio

PA

Buryats

172

24.8

6.1

21.0

5.3

4.339

< 0.001

Ob-Ugric

248

23.9

6.5

21.0

5.8

3.494

0.001

Tatars

203

21.3

4.5

15.6

4.1

9.440

< 0.001

Russians

217

21.9

6.7

19.9

7.1

1.957

0.052

Hadza

317

25.9

5.1

24.1

5.4

3.048

0.002

Datoga

345

28.7

5.2

28.0

6.0

1.246

0.214

Isanzu

203

16.6

4.4

17.3

5.3

− 0.962

0.337

VA

Buryats

172

14.1

3.2

13.3

3.2

1.517

0.131

Ob-Ugric

248

13.6

4.0

13.8

4.2

− 0.290

0.772

Tatars

203

13.3

3.3

12.2

3.5

2.328

0.021

Russians

217

16.7

4.2

15.4

3.7

2.393

0.018

Hadza

317

15.8

4.1

14.7

4.2

2.272

0.024

Datoga

345

18.3

3.9

17.2

4.6

2.333

0.020

Isanzu

203

13.1

3.5

13.5

4.3

− 0.778

0.438

AN

Buryats

172

15.5

4.3

18.1

4.8

− 3.749

< 0.001

Ob-Ugric

248

15.3

5.5

16.3

5.4

− 1.223

0.223

Tatars

203

11.5

3.3

11.5

3.7

0.011

0.991

Russians

217

16.9

7.0

18.7

6.3

− 1.964

0.051

Hadza

317

19.4

4.6

20.2

5.3

− 1.424

0.155

Datoga

345

23.1

4.2

22.3

4.6

1.721

0.086

Isanzu

203

15.4

3.7

17.1

4.1

− 2.675

0.008

HT

Buryats

172

23.5

5.1

26.0

4.7

− 3.362

0.001

Ob-Ugric

248

21.6

4.6

22.4

4.9

− 1.176

0.241

Tatars

203

19.5

4.2

20.2

4.6

− 1.168

0.237

Russians

217

23.5

5.3

25.1

5.8

− 1.945

0.053

Hadza

317

23.2

6.0

22.7

6.3

0.699

0.485

Datoga

345

29.0

5.3

28.6

6.3

0.686

0.493

Isanzu

203

21.5

5.7

22.4

6.1

− 0.884

0.378

R2D:4D

Buryats

172

0.95

0.03

0.96

0.03

− 0.329

0.743

Ob-Ugric

248

0.96

0.03

0.97

0.03

− 2.397

0.017

Tatars

203

0.97

0.03

0.98

0.03

− 2.152

0.033

Russians

217

0.97

0.03

1.00

0.03

− 5.132

< 0.001

Hadza

317

0.97

0.04

0.98

0.04

− 2.365

0.019

Datoga

345

0.96

0.04

0.97

0.04

− 4.075

< 0.001

Isanzu

203

0.95

0.03

0.96

0.04

− 2.297

0.023