Table 1.
Demographic and clinical characteristics.
| IGD | ibGD | HC | |||
|---|---|---|---|---|---|
| Baseline | Follow-up | Baseline | Follow-up | ||
| Age | 25.3 ± 5.2 | 25.0 ± 4.9 | 25.7 ± 4.7 | ||
| Education year | 12.8 ± 2.6 | 12.1 ± 2.5 | 13.1 ± 2.3 | ||
| IQ | 99.0 ± 12.5 | 97.7 ± 15.3 | 103.8 ± 9.9 | ||
| Alcohol (yes/no) | 10/6 | 10/5 | 12/3 | ||
| Smoking (yes/no) | 8/8 | 9/6 | 8/7 | ||
| BDI | 9.7 ± 56.2 | 5.7 ± 2.8 | 14.1 ± 8.3 | 9.4 ± 3.4 | 6.1 ± 4.2 |
| K-ARS | 13.0 ± 4.5 | 9.3 ± 3.1 | 18.8 ± 7.7 | 14.4 ± 4.9 | 5.4 ± 3.4 |
| BISBAS | 47.6 ± 4.9 | 47.6 ± 4.9 | 50.7 ± 6.0 | 50.7 ± 6.0 | 49.0 ± 8.1 |
| YIAS | 68.9 ± 8.8 | 54.8 ± 8.2 | 38.3 ± 9.0 | 36.5 ± 7.4 | 37.6 ± 6.6 |
| YBOCS-PG | 5.7 ± 2.2 | 5.1 ± 1.8 | 17.8 ± 4.6 | 12.2 ± 4.3 | 4.1 ± 1.8 |
IGD, Internet gaming disorder; ibGD, Internet-based gaming disorder; HC, healthy comparison subjects; IQ, intelligence quotient; BDI, Beck Depression Inventory; K-ARS, Korean ADHD Rating Scale; BISBAS, Behavioral Inhibitory System Behavioral Activation System; YIAS, Young Internet Addiction Scale; YBOCS-PG, Yale-Brown Obsessive Compulsive Scale for pathologic gambling.