Table 1.
Demographic and clinical characteristics of subjects (Mean ± SD).
| IGD (N = 24) | HCs (N = 24) | t | P | |
|---|---|---|---|---|
| Age (year) | 17.17 ± 3.51 | 17.42 ± 3.05 | − 2.263 | 0.793 |
| Education (year) | 10.08 ± 2.98 | 11.25 ± 2.88 | − 1.380 | 0.174 |
| IQ (SPM) | 48.92 ± 6.79 | 48.58 ± 6.26 | 0.177 | 0.860 |
| IAT score | 70.71 ± 10.76 | 33.42 ± 7.75 | 13.852 | < 0.001 |
| BIS | 68.79 ± 11.83 | 54.13 ± 8.05 | 5.022 | < 0.001 |
| SAS | 43.13 ± 8.90 | 35.42 ± 5.02 | 3.680 | 0.001 |
| SDS | 49.57 ± 5.02 | 39.38 ± 9.16 | 3.442 | 0.001 |
Two-sample two-tailed t-tests. Significant level is set as P < 0.05.
BIS, Barratt impulsivity scale; HCs, healthy controls; IAT, internet addiction test; IGD, internet game disorder; IQ, intelligence quotient; SAS, Self-Rating Anxiety Scale; SDS, Self-rating depression scale; SPM, standard Raven's progressive matrices.