Table 1.
Subject Characteristics and Behavioral Measures
| EtOH | HV-EtOH | Cann | HV-Cann | |||||
|---|---|---|---|---|---|---|---|---|
| (n = 30) | (n = 30) | t | p | (n = 30) | (n = 60) | t | p | |
| Age | 41.40 (11.57) | 42.47 (12.35) | .35 | .730 | 25.33 (7.53) | 26.42 (7.74) | .64 | .527 |
| Men (n) | 18 | 18 | 18 | 46 | ||||
| IQ | 114.32 (6.76) | 116.13 (5.88) | 1.11 | .273 | 116.76 (5.89) | 117.18 (5.70) | .32 | .745 |
| BDI | 12.89 (9.29) | 5.62 (6.47) | 3.52 | < .001 | 9.81 (8.99) | 6.18 (6.73) | 2.15 | .034 |
| UPPS-P | 154.25 (20.14) | 120.69 (26.29) | 5.55 | < .001 | 141.38 (19.52) | 129.81 (22.03) | 2.44 | .017 |
| AUDIT | 19.59 (14.10) | 5.15 (3.81) | 5.42 | < .001 | ||||
| Premature Response | 10.17 (8.79) | 6.02 (4.36) | 2.32 | .024 | 10.39 (8.34) | 7.01 (4.53) | 2.50 | .014 |
| Accuracy | .93 (.05) | .92 (.06) | .70 | .486 | .89 (.09) | .91 (.07) | 1.16 | .250 |
| Late Response | .06 (.05) | .08 (.07) | 1.27 | .208 | .08 (.07) | .07 (.08) | .58 | .562 |
| Total Win | 1087.53 (419.93) | 1089.00 (400.10) | .01 | .989 | 950.39 (413.33) | 1044.06 (463.52) | .94 | .352 |
| RT Baseline 1 | 394.96 (97.69) | 369.48 (112.48) | .94 | .353 | 345.93 (113.77) | 342.05 (97.97) | .17 | .867 |
| RT Reward | 339.38 (50.76) | 316.39 (48.35) | 1.80 | .077 | 319.82 (27.34) | 304.15 (32.72) | .23 | .831 |
| RT Baseline 2 | 336.28 (91.83) | 268.75 (63.89) | 3.31 | .002 | 258.99 (112.74) | 256.90 (80.75) | .37 | .714 |
| Motivation Index | .08 (.10) | .16 (.12) | 2.81 | .007 | .14 (.12) | .15 (.14) | .40 | .679 |
Reported in mean (SD). AUDIT, Alcohol Use Disorders Identification Test; BDI, Beck Depression Inventory; BED, binge eating disorder; BES, Binge Eating Scale; BMI, body mass index; Cann, recreational cannabis users; EtOH, abstinent alcohol-dependent subjects; HV, healthy volunteers; RT, reaction time; UPPS-P, UPPS Impulsive Behaviour Scale.