Table 1.
General characteristics of 1,532 first-year middle school students in Korea
| Variables | n (%) or mean±SD |
|---|---|
| Gender | |
| Boys | 1,036 (67.6) |
| Girls | 496 (32.4) |
| Depressive symptoms | 8.3±7.2 |
| Aggression1 | 55.3±17.0 |
| Average online-game time (hr/d) | |
| ≥2 | 477 (31.1) |
| <2 | 1,055 (68.9) |
| Family type | |
| Non-intact family | 138 (9.0) |
| Intact family | 1,394 (91.0) |
| Social economic statue | |
| Low | 1,081 (70.6) |
| High | 451 (29.4) |
| Game genres2 | |
| Role playing game | 608 (39.7) |
| Shooting game | 669 (43.7) |
| Multiplayer online battle arena | 599 (39.1) |
| Simulation game | 636 (41.5) |
| Arcade game | 1,001 (65.3) |
| Sports game | 371 (24.2) |
| Action game | 72 (4.7) |
| Risk of Internet gaming disorder | |
| High3 | 154 (10.1) |
| Low4 | 1,378 (89.9) |
1
Aggression score range: 27-135.
2
Multiple answer available.
3
High risk indicates 10 or higher scores in Internet Gaming Use-Elicited Symptom Screen.
4
Low risk indicates less than 10 in Internet Gaming Use-Elicited Symptom Screen.