Table 4.
Differences in current and lifetime Internet use severity (AICA) between participants scoring positive and negative for ADHD for different criteria in the whole sample
| Symptom severity of Internet use | Positive for ADHD Mean (SD) | Negative for ADHD Mean (SD) | t statistic | p | |
|---|---|---|---|---|---|
| ADHD interview | Current | 12.20 (7.91) | 8.68 (6.53) | −1.970 | .050* |
| Lifetime | 23.00 (8.01) | 16.12 (8.31) | −3.088 | .002** | |
| Brown ADD | Current | 15.13 (5.77) | 7.34 (5.95) | −7.425 | <.001** |
| Lifetime | 24.00 (5.35) | 14.80 (8.10) | −6.807 | <.001** | |
| Recently developed ADHD symptoms | Current | 15.11 (5.29) | 6.00 (7.42) | −6.260 | <.001** |
| Lifetime | 24.33 (4.29) | 14.77 (8.05) | −6.025 | <.001** | |
| Current ADHD | Current | 15.10 (7.85) | 8.59 (6.48) | −3.063 | .003** |
| Lifetime | 24.50 (7.58) | 16.24 (8.32) | −3.068 | .002** | |
| Lifetime ADHD | Current | 14.83 (7.21) | 8.54 (6.49) | −3.236 | .001** |
| Lifetime | 24.50 (6.86) | 16.16 (8.32) | −3.397 | .001** |
Note. SD: standard deviation corrected by Bonferroni–Holm for multiple comparisons. ADHD: attention-deficit hyperactivity disorder; AICA: Assessment of Internet and Computer Game Addiction.
*p ≤ .05. **p ≤ .01.