Table 1.
Demographic Variables, Treatment Attendance, and Primary/Secondary Outcome Measures by tDCS Groups and for the Total Sample (n=84)
| Measure | Total Sample | Active tDCS (n=47) |
Sham tDCS (n=37) |
Cohen’s |
|---|---|---|---|---|
| M (SD) | M (SD) / N (%) | M (SD) / N (%) |
d | |
| Sex N (%) Male | 50 (59.5%) | 28 (59.6%) | 22 (59.5%) | |
| N (%) AUD diagnosis baseline | 83 (98.8%) | 46 (97.9%) | 37 (100%) | |
| N (%) AUD diagnosis 2-months (%, out of 55 with SCID data) |
37 (67.3%) | 25 (73.5%) | 12 (57.1%) | |
| Age | 52.27 (13.00) | 51.43 (14.19) | 53.35 (11.41) | −.15 |
| Number of sessions | 4.08 (3.22) | 4.32 (3.35) | 3.78 (3.06) | .17 |
| DDD baseline | 6.56 (3.57) | 6.32 (3.02) | 6.85 (4.19) | −.15 |
| DDD post-treatment | 5.33 (3.51) | 5.12 (3.14) | 5.64 (4.06) | −.14 |
| DDD 2-months | 5.16 (3.62) | 4.95 (3.18) | 5.48 (4.27) | −.14 |
| PHDD baseline | 42.4% (33.6%) | 41.0% (32.0%) | 44.1% (35.9%) | −.09 |
| PHDD post-treatment | 26.8% (28.9%) | 27.4% (30.5%) | 25.9% (26.8%) | .05 |
| PHDD 2-months | 29.2% (31.6%) | 29.5% (31.1%) | 28.8% (33.2) | .02 |
| Craving baseline | 2.75 (1.25) | 2.82 (1.30) | 2.66 (1.19) | .13 |
| Craving post-treatment | 2.30 (1.28) | 2.42 (1.09) | 2.33 (1.39) | .07 |
| Craving 2-months | 2.30 (1.28) | 2.24 (1.21) | 2.40 (1.42) | −.12 |
| Cue reactivity baseline | 4.26 (2.10) | 4.40 (2.20) | 3.99 (1.95) | .20 |
| Cue reactivity post-treatment | 3.34 (1.73) | 3.49 (1.81) | 3.06 (1.60) | .25 |
| SSRT baseline | 291.22 (75.28) | 287.54 (75.76) | 295.52 (75.58) | −.11 |
| SSRT post-treatment | 278.0 (82.04) | 284.42 (94.85) | 266.06 (51.07) | .24 |
Note. Cohen’s d for differences between active – sham; DDD= drinks per drinking day; PHDD = percent heavy drinking days; SSRT = stop signal reaction time.