Table 2: Demographics and Internet-gaming Characteristics of the CBI + and CBI– groups.

From: Altered resting-state neural activity and changes following a craving behavioral intervention for Internet gaming disorder

 CBI +  (n = 20)CBI– (n = 16)t valueP
mean ± S.D.mean ± S.D.
Age21.80 ± 1.7022.38 ± 1.71−1.010.32
Years of education15.90 ± 1.4115.44 ± 1.820.860.40
BAI3.65 ± 3.587.88 ± 7.27−2.050.053
BDI9.15 ± 6.0510.44 ± 4.26−0.750.46
Baseline CIAS79.70 ± 6.5575.38 ± 6.901.920.06
CIAS at the second test59.70 ± 9.2271.13 ± 8.66−3.790.001
Baseline weekly gaming time28.58 ± 10.6225.31 ± 7.871.020.31
Weekly gaming time at the second test12.20 ± 8.0724.13 ± 17.79−2.680.01
Baseline craving for gaming38.80 ± 6.9338.00 ± 7.270.340.74
Craving for gaming at the second test17.65 ± 5.8123.88 ± 9.95−2.220.04
Baseline FD0.15 ± 0.080.13 ± 0.050.920.37
FD at the second test0.12 ± 0.060.11 ± 0.040.910.37
  1. S.D. = standard deviation; CBI: craving behavioral intervention; CIAS = Chen Internet addition scale; BAI = Beck Anxiety Inventory; BDI = Beck Depression Inventory; FD = framewise displacement.