Table 1.

Descriptive statistics and Pearson’s correlations matrix for study variables.

	Mean	SD	1	2	3	4	5
1. age	21.73	10.10
2. payment	14.64	21.39	0.04
3. need frustration	28.52	9.58	−0.20 **	0.21 **
4. use expectancies	27.09	9.13	−0.18 **	0.16 **	0.36 **
5. time spent	75.49	155.74	−0.02	0.14 **	0.13 **	0.21 **
6. Internet gaming disorder	14.24	6.11	−0.14 **	0.21 **	0.39 **	0.47 **	0.23 **

Note: Note: ** p < 0.001.