Table 2.

Clinical measures and their Pearson’s correlation coefficients with PQ-16 score.

Scales (mean ± SD)	PQ-16 total score	PQ-16 distress score
CES-D (12.2 ± 9.3)	0.435**	0.449**
STAI-S (39.1 ± 8.9)	0.184**	0.184**
STAI-T (31.2 ± 7.8)	0.514**	0.515**
RSES (26.9 ± 5.5)	−0.185**	−0.190**
LITE-C (2.6 ± 2.1)	0.404**	0.388**
K-scale (25.3 ± 7.1)	0.314**	0.309**

CES-D, Center for Epidemiological Studies Depression Scale; STAI, State-Trait Anxiety Inventory; RSES, Rosenberg Self-Esteem Scale; LITE-C, Lifetime Incidence of Traumatic Events-Child; K-scale, Korean Scale for Internet Addiction.

**p < 0.001.