Table 6.
Effects of covariates on drinking outcomes at study Month 39, outpatient arma
| Covariate | PDA |
DDD |
||||||
| Coefficient | [95% CI] | df | p | Coefficient | [95% CI] | df | p | |
| Baseline PDA/DDD | .327 | [.239, .414] | 496.7 | <.0001 | .136 | [.030, .241] | 497.0 | .0117 |
| 12-step facilitation therapy | .0721 | [−.0087, .1529] | 496.4 | .0805 | −.171 | [−.418, .075] | 496.7 | .1727 |
| Cognitive—behavioral therapy | −.0101 | [−.0920, .07183] | 497.0 | .8086 | .089 | [−.161, .339] | 496.6 | .4834 |
| AA attendance, Month 9 | .00324 | [.00143, .00505] | 493.9.0 | .0005 | −.0086 | [−.0141,−.0030] | 493.9 | .0024 |
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.