Table 1.

Descriptive Statistics and Correlation Matrix of Each Variable (n=725)

	M	SD	1	2	3	4	5	6
1 Gendera	—	—	1.00
2 Age	20.26	1.34	−0.10**	1.00
3 Self-control	3.39	0.58	−0.13**	0.11**	1.00
4 Rejection Sensitivity	10.01	2.81	0.10**	−0.09**	−0.42***	1.00
5 Loneliness	1.89	0.68	0.10**	−0.08**	−0.74***	0.56***	1.00
6 problematic internet use	2.26	0.66	−0.01	−0.04	−0.64***	0.17***	0.56***	1.00

Notes: Gender^a is the dummy variable, Male = 0, Female = 1. **p<0.01, ***p<0.001.