SIA

PIA

z

SDA

PDA

z

Men’s relationship length

<5

6.88

12.27

−1.65

3.50

22.43

−5.22**

5 - 15

18.80

24.62

−5.05**

6.50

33.28

−6.80**

>15

18.30

19.48

−1.19

4.00

19.81

−4.93**

Women’s relationship length

<5

15.88

24.02

−3.13**

4.00

43.44

−7.97**

5 - 15

68.84

79.99

−5.64**

26.00

96.06

−10.85**

>15

39.17

51.66

−2.57**

19.50

52.39

−7.92**