Table 5 Hierarchical regression model of intensity of romantic love

Step 1

0.035^***

0.029^***

Age

−0.913

0.585

−0.054

−1.56

0.119

−2.06

0.23

Sex ratio

0.114

0.360

0.011

0.32

0.752

−0.59

0.82

Gender inequality

27.481

9.364

0.105

2.93

0.003

9.10

45.86

Months in love

0.754

0.182

0.144

4.14

< 0.001

0.40

1.11

Days since sex

−0.326

0.377

−0.030

−0.86

0.388

−1.07

0.41

Step 2

0.046^***

0.039^***

0.011^**

Age

−1.010

0.582

−0.060

−1.74

0.083

−2.15

0.13

Sex ratio

0.166

0.359

0.016

0.46

0.643

−0.54

0.87

Gender inequality

27.791

9.313

0.106

2.98

0.003

9.51

46.07

Months in love

0.723

0.182

0.138

3.98

< 0.001

0.37

1.08

Days since sex

−0.331

0.375

−0.031

−0.88

0.377

−1.07

0.40

Biological sex (male)

6.790

2.165

−0.109

−3.14

0.002

−11.04

−2.54