The regression equation

Overall fitting index

Significance of regression coefficient

The results of variable

Predictor variable

R

R²

F

β

t

Internet addiction

Gender

0.51

0.27

31.79^***

−0.03

−0.32

Traumatic experiences

−0.28

−2.40^*

Procrastination

0.50

9.48^***

WBSI

Gender

0.27

0.07

6.57^**

0.35

2.94^**

Traumatic experiences

−0.26

−1.88

Procrastination

0.18

3.07^**

DASS

Gender

0.50

0.25

22.82^***

−0.25

−2.32^*

Traumatic experiences

−0.39

−3.41^**

WBSI

0.31

5.80^***

Procrastination

0.27

5.17^***

Internet addiction

Gender

0.63

0.40

34.83^***

−0.03

−0.30

Traumatic experiences

−0.09

−0.81

WBSI

0.13

2.33^*

DASS

0.34

6.21^***

Procrastination

0.36

7.03^***