Table 2.
General characteristics of sample (N=273)
| Variables | N | Diagnosis of Internet gaming disorder (IGD)* |
p | |
|---|---|---|---|---|
| Without IGD (N=228) | IGD (N=45) | |||
| Sex | 0.812 | |||
| Male | 150 (54.9) | 126 (55.3) | 24 (53.3) | |
| Female | 123 (45.1) | 102 (44.7) | 21 (46.7) | |
| Age (mean±SD) | 12.6±1.1 | 12.6±1.2 | 13.0±0.6 | 0.001 |
| School | 0.035 | |||
| Elementary school | 31 (11.4) | 30 (13.2) | 1 (2.2) | |
| Middle school | 242 (88.6) | 198 (86.8) | 44 (97.8) | |
| Online game use (average)† | 0.001 | |||
| <2 hr/day | 155 (66.8) | 136 (71.6) | 19 (45.2) | |
| ≥2 hr/day | 77 (33.2) | 54 (28.4) | 23 (54.8) | |
| Internet addiction‡ | <0.001 | |||
| Negative | 249 (91.2) | 223 (97.8) | 26 (57.8) | |
| Positive | 24 (8.8) | 5 (2.2) | 19 (42.2) | |
| Depressive symptoms§ | 0.001 | |||
| Negative | 251 (91.9) | 216 (94.7) | 35 (77.8) | |
| Positive | 22 (8.1) | 12 (5.3) | 10 (22.2) | |
| ADHD symptomsǁ | 0.001 | |||
| Negative | 232 (86.2) | 200 (89.3) | 32 (71.1) | |
| Positive | 37 (13.8) | 24 (10.7) | 13 (28.9) | |
| TIGTOC¶ score | <0.001 | |||
| Mean±SD | 1.8±2.1 | 1.3±1.6 | 4.1±2.9 | |
| Median (range) | 1 (0–9) | 1 (0–8) | 5 (0–9) | |
Data are presented as N (%).
*
psychiatrist or clinical psychologist diagnosed online gaming disorder based on the diagnostic criteria of Internet gaming disorder on DSM-5,
†
missing cases N=41,
‡
total scores of 70 or over on Young’s Internet Addiction Test (IAT) were defined as positive,
§
total scores of 22 or over on the Children’s Depression Inventory (CDI) were defined as positive; Fisher’s exact test,
ǁ
data was collected from the parents of the subjects using the parent version of the Korean ADHD Rating Scales (K-ARS): total scores of 19 or over were defined as positive. Missing cases: N=4,
¶
Three-Item Gaming disorder Test-Online-Centered. ADHD: attention deficit/hyperactivity disorder