Items and total score of AICA-C total
(N = 141)
addicted group
(n = 101)
non-addicted group
(n = 40)
level of significance discriminatory power
M (SD) M (SD) M (SD) U, p, d rit
CRAVING 2.65 (1.79) 3.58 (1.32) 0.96 (1.18) U=412.00, p<.001; d=1.46 .77
TOLERANCE 3.13 (1.57) 3.84 (1.16) 1.84 (1.39) U=668.00, p<.001; d=1.27 .68
WITHDRAWAL 1.86 (1.67) 2.61 (1.53) 0.52 (0.88) U=556.00, p<.001; d=1.25 .68
LOSS OF CONTROL 2.86 (1.71) 3.74 (1.15) 1.19 (1.28) U=386.50, p<.001; d=1.49 .75
PREOCCUPATION 2.97 (1.74) 3.89 (1.12) 1.23 (1.34) U=363.00, p<.001; d=1.53 .76
NEGATIVE CONSEQUENCES 3.30 (1.41) 4.03 (0.92) 1.89 (1.07) U=321.00, p<.001; d=1.52 .78
Total Score 16.5 (8.00) 21.47 (4.74) 7.40 (3.35) U=1275, p<.001 -
Comments: M=mean; SD=standard deviation; U=value of Mann-Whitney-U-Test; p=level of significance; d=Cohen’s d as a measure of effect-size; rit=discriminatory power; n=141
Table 2: Discriminatory power and means of items and total score of AICA-C for the entire sample, addicted and non-addicted users
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