Table 1.
Sample Drinking, 12-step, and Social Network Measures: Intake through 9 months
| Months | |||||
|---|---|---|---|---|---|
| Intake | 0 – 3 | 4 – 6 | 7 – 9 | CI and d (Pre- post) |
|
| Substance use | |||||
| % abstinent (alcohol only) | <1 | 19.1 | 27.8 | 29.6 | [20, 38] |
| PDAA, M (SD) | 0.55 (0.31) | 0.72 (0.32) | 0.74 (0.30) | 0.72 (0.32) | 0.57 |
| DPDD, M (SD) | 14.02 (9.23) | 9.79 (10.85) | 8.87 (9.15) | 8.66 (8.89) | −0.60 |
| % days use of most frequently used drug | 0.28 (0.34) | 0.22 (0.32) | 0.22 (0.33) | 0.19 (0.30) | −0.28 |
| Proportion therapy days | 0.08 (0.15) | 0.12 (0.19) | 0.11 (0.20) | 0.09 (0.17) | 0.06 |
| 12-step measures | |||||
| Proportion 12-step days, M (SD) | 0.16 (0.19) | 0.24 (0.31) | 0.22 (0.29) | 0.17 (0.24) | 0.05 |
| % attending 12-step programs | 98.3 | 80.0 | 76.5 | 72.2 | [−35, −17] |
| % sponsored | 43.5 | 40.0 | 41.7 | 44.3 | [−13, 14] |
| GAATOR score, M (SD) | 64.16 (12.37) | 63.51 (13.30) | 65.03 (14.60) | 63.05 (14.29) | −0.07 |
| Social network | |||||
| Proportion friends abstinent, M (SD) | 0.35 (0.34) | 0.34 (0.34) | 0.37 (0.37) | 0.35 (0.35) | 0.00 |
| Proportion friends in recovery, M (SD) | 0.16 (0.26) | 0.16 (0.28) | 0.14 (0.26) | 0.15 (0.28) | 0.04 |
| Proportion friends abstinent and in recovery, M (SD) | 0.51 (0.35) | 0.49 (0.35) | 0.51 (0.38) | 0.50 (0.37) | 0.03 |
| Number friends abstinent, M (SD) | 1.26 (1.54) | 1.26 (1.36) | 1.40 (1.61) | 1.34 (1.50) | 0.05 |
| Number friends in recovery, M (SD) | 0.63 (1.10) | 0.53 (1.09) | 0.52 (1.06) | 0.49 (0.94) | −0.14 |
| Number friends abstinent and in recovery, M (SD) | 1.89 (1.68) | 1.79 (1.63) | 1.92 (1.80) | 1.83 (1.65) | −0.04 |
Note. N = 115. 95% confidence interval given for difference of the 9-month versus intake binary measures, Cohen’s d given for difference of the 9-month versus intake continuous and proportion measures. PDAA = Proportion days abstinent from alcohol in 90-day window; DPDD = Drinks per drinking day in a 90-day window (abstinent days not in the denominator); GAATOR = General Alcoholics Anonymous Tools of Recovery Scale, total score.