Table 1.
IUD symptoms in adolescents and adults
| Symptoms | Adolescents (n = 38) M (SD) | Adults (n = 43) M (SD) |
|---|---|---|
| Compulsive Internet Use | 29.54 (9.03) | 32.69 (9.73) |
| Reduce/stop | 2.02 (0.95) | 2.35 (0.94) |
| Withdrawal | 1.97 (0.99) | 1.57 (1.09) |
| Dysfunctional coping | 1.89 (1.11) | 2.75 (1.05) |
| Mental and behavioral preoccupation | 2.17 (0.79) | 2.30 (0.79) |
| Inter- and intrapersonal conflicts | 2.29 (0.72) | 2.33 (0.85) |
| Online Addiction Behavior | 11.00 (4.31) | 13.64 (4.39) |
| Problems Caused by Computer Use | 28.79 (6.07) | 35.51 (9.87) |
| Sick days (last 6 months) | 10.73 (12.09) | 20.93 (28.02) |
| Sick days (last month) | 3.75 (5.69) | 5.18 (6.26) |
| Time Spent Online (weekdays) | 6.03 (3.71) | 8.16 (3.65) |
| Time Spent Online (weekends) | 8.42 (4.61) | 9.50 (4.07) |
Note. Compulsive Internet Use displays the CIUS total score. The five symptom scales display mean scores per symptom scale (range: 0–4). Online Addiction Behavior is operationalized by the AICA-S and displays the total score. Problems Caused by Computer Use is measured using the KPC total score. CIUS: Compulsive Internet Use Scale; AICA-S: Scale for the Assessment of Internet and Computer Game Addiction; SD: standard deviation.