Table 4.
Effects of covariates on drinking outcomes at study Month 15, aftercare arma
| Covariate | PDA |
DDD |
||||||
| Coefficient | [95% CI] | df | p | Coefficient | [95% CI] | df | p | |
| Baseline PDA/DDD | .158941 | [.07747, .240408] | 478.7 | .0001 | .293958 | [.20132, .38660] | 440.92 | <.0001 |
| 12-step facilitation therapy | .000553 | [−.07927, .080375] | 468.3 | .9891 | .056625 | [−.22347, .33672] | 479.68 | .6914 |
| Cognitive—behavioral therapy | .034723 | [−.04313, .112580] | 476.2 | .3813 | .015910 | [−.25989,.29171] | 474.41 | .9098 |
| AA attendance | .004539 | [.00330, .005779] | 482.4 | <.0001 | −.015670 | [−.02005,−.01129] | 483.26 | <.0001 |
Notes: PDA = percentage of days abstinent (arcsin transformed); DDD = drinks per drinking day (square root transformed); AA = Alcoholics Anonymous.
a
From analyses in which the number of pro-abstainers was the predictor. Results from analyses where the number of pro-drinkers was the predictor are similar.