Table 2.
Item contents and item properties of the Gaming Disorder Test (GDT) and Gaming Disorder Scale for Adolescents (GADIS-A)
| Item content | Mean (SD) | Factor loading | Item-rest correlation | |
|---|---|---|---|---|
| GDT | ||||
| GDT_I1 | Difficulty in controlling gaming activity | 1.81 (0.96) | 0.83 | 0.68 |
| GDT_I2 | Increased priority to gaming over other activities | 1.64 (0.88) | 0.77 | 0.73 |
| GDT_I3 | Continued gaming despite negative consequences | 1.52 (0.86) | 0.90 | 0.74 |
| GDT_I4 | Significant problems due to gaming | 1.36 (0.73) | 0.63 | 0.61 |
| GADIS-A | ||||
| CBS subscale | ||||
| GADIS-A_I1 | More frequent on gaming | 0.97 (1.04) | 0.78 | 0.71 |
| GADIS-A_I2 | Unable to stop gaming | 0.77 (0.86) | 0.81 | 0.78 |
| GADIS-A_I4 | Neglect daily duties due to gaming | 0.57 (0.73) | 0.86 | 0.79 |
| GADIS-A_I5 | Continue gaming despite causing stress | 0.56 (0.72) | 0.80 | 0.77 |
| NC subscale | ||||
| GADIS-A_I3 | No other interests except for gaming | 0.57 (0.74) | 0.79 | 0.75 |
| GADIS-A_I6 | Continue gaming although harming school/apprenticeship/job performance | 0.72 (0.86) | 0.85 | 0.79 |
| GADIS-A_I7 | Neglect health due to gaming | 0.54 (0.77) | 0.74 | 0.71 |
| GADIS-A_I8 | Lose important contacts due to gaming | 0.49 (0.69) | 0.81 | 0.73 |
| GADIS-A_I9 | Have disadvantages at school/apprenticeship/job due to gaming | 0.62 (0.81) | 0.83 | 0.79 |
CBS Cognitive behavioral symptoms, NC Negative consequences