See Table 1 for the detailed results of the inter-group comparisons of the demographic and psychological characteristics.Table 1Demographic and psychological characteristics of the IGD, AUD, and HC groups. IGD (n = 30) AUD (n = 30) HC (n = 32) F P Post hoc Mean (S.D.)Age23.267 (5.152)29.867 (7.133)24.969 (3.703)11.777<0.001A > I, A > HEducation12.931 (1.831)14.143 (2.663)14.612 (2.390)4.1530.019IQ113.833 (13.217)110.689 (12.559)119.531 (9.808)4.3570.016H > AIAT69.267 (14.776)30.846 (10.364)29.290 (8.533)113.758<0.001I > A, I > HAUDIT6.172 (4.465)24.071 (5.422)5.226 (3.676)156.429<0.001A > I, A > H controlling age, education, and IQ covariates BDI-II18.448 (10.270)24.321 (16.764)3.710 (3.892)20.347<0.001I > H, A > HBAI15.241 (13.144)23.143 (16.770)5.806 (5.431)12.517<0.001A > I, A > HBIS-1168.690 (13.148)72.643 (13.276)55.226 (8.865)18.080<0.001I > H, A > HGroup differences for demographic and psychological variables were analyzed. Bonferroni correction was applied to the post hoc analyses, and the significance level was set at 0.0167. IGD (I) = Internet gaming disorder; AUD (A) = alcohol use disorder; HC (H) = healthy control; IQ = intelligence quotient; IAT = Young’s Internet Addiction Test; AUDIT = Alcohol Use Disorder Identification Test; BDI-II = Beck Depression Inventory-II; BAI = Beck Anxiety Inventory; and BIS-11 = Barratt Impulsivity Scale-11.
