Table 3.
Baseline and follow-up primary and secondary outcome measures of alcohol consumption and abstinence self-efficacy.
| Parameter | Baseline | 6-week follow-up | Baseline - six-week follow-up | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Intervention | Control | Total | Intervention | Control | Total | Within-group analysisa | Intervention | Control | ||||||||
| N | M (SD) |
N | M (SD) |
N | M (SD) |
N | M (SD) |
N | M (SD) |
N | M (SD) |
F (df) |
P | Cohen's db | Cohen's db | |
| Alcohol consumption | 42 | 32.73 (21.16) | 47 | 26.00 (14.08) | 89 | 29.17 (17.99) | 26 | 12.73 (10.52) | 31 | 13.48 (11.13) | 57 | 13.14 (10.77) | 43.98 (1, 55) | <0.001 | 1.37 | 0.92 |
| Quantity | 42 | 26.00 (19.55) | 47 | 22.99 (15.33) | 89 | 24.41 (17.41) | 22 | 11.68 (11.83) | 31 | 13.60 (9.93) | 53 | 12.80 (10.69) | 23.01 (1, 51) | <0.001 | 0.87 | 0.71 |
| Frequency | 42 | 4.64 (1.68) | 47 | 4.58 (1.69) | 89 | 4.61 (1.67) | 22 | 2.73 (2.31) | 31 | 3.10 (1.85) | 53 | 2.94 (2.04) | 42.80 (1, 51) | <0.001 | 0.91 | 0.85 |
| Binge occasions | 42 | 3.05 (2.05) | 47 | 2.96 (1.96) | 89 | 3.00 (1.99) | 22 | 1.59 (2.15) | 31 | 1.81 (1.72) | 53 | 1.72 (1.90) | 19.39 (1, 51) | <0.001 | 0.72 | 0.57 |
| Average eBAC | 42 | 0.75 (0.44) | 47 | 0.75 (0.49) | 89 | 0.75 (0.46) | 22 | 0.48 (0.52) | 31 | 0.47 (0.43) | 53 | 0.47 (0.46) | 15.43 (1, 51) | <0.001 | 0.66 | 0.39 |
| Peak eBAC | 42 | 1.42 (0.67) | 47 | 1.50 (0.80) | 89 | 1.46 (0.73) | 22 | 0.88 (0.72) | 31 | 1.05 (0.82) | 53 | 0.98 (0.78) | 15.74 (1, 51) | <0.001 | 0.98 | 0.47 |
| AASE total | 42 | 2.82 (0.64) | 47 | 2.53 (0.84) | 89 | 2.66 (0.76) | 22 | 2.68 (0.63) | 31 | 2.98 (0.82) | 53 | 2.86 (0.76) | 0.88 (1, 51) | .35 | 0.10 | 0.32 |
| AASE NAc | 42 | 2.45 (0.91) | 47 | 2.33 (1.03) | 89 | 2.39 (0.97) | 22 | 2.60 (1.09) | 31 | 2.89 (1.12) | 53 | 2.77 (1.11) | 4.59 (1, 51) | .04 | 0.18 | 0.37 |
| AASE POc | 42 | 3.24 (1.15) | 47 | 2.91 (1.15) | 89 | 3.07 (1.15) | 22 | 3.15 (0.90) | 31 | 3.22 (0.97) | 53 | 3.19 (0.93) | 0.20 (1, 51) | .65 | 0.04 | 0.08 |
| AASE SPc | 42 | 2.50 (1.00) | 47 | 2.13 (0.98) | 89 | 2.31 (1.00) | 22 | 2.24 (0.90) | 31 | 2.66 (0.93) | 53 | 2.48 (0.93) | 0.76 (1, 51) | .37 | 0.14 | 0.38 |
| AASE WUc | 42 | 3.07 (0.79) | 47 | 2.74 (0.98) | 89 | 2.90 (0.90) | 22 | 2.73 (0.90) | 31 | 3.16 (0.98) | 53 | 2.98 (0.96) | 0.22 (1, 51) | .64 | 0.38 | 0.22 |
aResults from Repeated measures ANOVA. bWithin-group effect size over time. cNA, Negative affect; PO, Physical & other concerns; SP, Social positive; WU, Withdrawal and urges.