Table 1.
Sample characteristics
| Variables | All (N=51) |
|
|---|---|---|
| Mean±SD | N (%) | |
| Age | 23.1±2.4 | - |
| IT | 51.1±17.0 | - |
| Inattention | 50.0±13.1 | 6 (11.8) |
| Hyperactivity | 42.8±10.0 | 3 (5.9) |
| ADHD index | 42.8±9.9 | 3 (5.9) |
| Childhood ADHD | 20.1±19.2 | 6 (11.8) |
| POG | 31.8±12.5 | 18 (35.3) |
| PIU (IAT) | 50.2±21.4 | 12 (23.5) |
| PIU (K-scale) | 42.6±13.7 | 12 (23.5) |
IT: immersive tendency, POG: problematic online gaming, PIU: problematic Internet use, IAT: Internet Addiction Test, K-scale: Korea Internet Addiction Scale, ADHD: attention deficit/hyperactivity disorder