Table 4.
Linear Mixed Model Parameter Estimates: Predicting Symptom Reduction Across Treatment
| Outcome Variable | Est | SE | t | Sig | 95% CI Low | 95% CI High |
|---|---|---|---|---|---|---|
|
| ||||||
|
BYAACQ
| ||||||
| Intercept | 5.64 | .38 | 14.83 | p<.001 | 4.89 | 6.38 |
| Time | −.36 | .14 | −2.59 | p<.01 | −.64 | −.09 |
| Sex | −1.21 | .76 | −1.59 | p=.12 | −1.59 | .17 |
| Treatment Group | 1.28 | .76 | 1.68 | p=.10 | −.21 | 2.77 |
| Time*Treatment | −.11 | .28 | −.38 | p=.70 | −.66 | .44 |
|
| ||||||
|
DDQ
| ||||||
| Intercept | 11.24 | 0.71 | 15.77 | p<.001 | 9.84 | 12.64 |
| Time | −0.48 | 0.14 | −3.38 | p<.001 | −0.76 | −0.20 |
| Sex | −5.05 | 1.43 | −3.54 | P<.001 | −7.84 | −2.26 |
| Treatment Group | 4.12 | 1.43 | 2.88 | p=.005 | 1.31 | 6.92 |
| Time*Treatment | 0.12 | 0.29 | 0.43 | p=.67 | −0.44 | 0.68 |
|
| ||||||
|
BDI
| ||||||
| Intercept | 10.67 | .85 | 12.46 | p<.001 | 8.96 | 12.31 |
| Time | −.74 | .09 | −7.82 | p<.001 | −.92 | −.55 |
| Sex | 2.04 | 1.71 | 1.20 | p=.23 | −1.30 | 5.38 |
| Treatment Group | 1.69 | 1.71 | .99 | p=.33 | −1.67 | 5.04 |
| Time*Treatment | −.30 | .19 | −1.61 | p=.11 | −.67 | .07 |
|
| ||||||
|
BFIS
| ||||||
| Intercept | 3.94 | .29 | 13.60 | p<.001 | 3.38 | 4.51 |
| Time | .12 | .11 | 1.13 | p=.26 | .009 | .34 |
| Sex | .87 | .58 | 1.50 | p=.14 | −.27 | 2.00 |
| Treatment Group | −.61 | .58 | −1.05 | p=.30 | −1.74 | .53 |
| Time*Treatment | −.27 | .22 | −1.24 | p=.22 | −.71 | .16 |
Note. Sex reference groups = women (0); Treatment reference group = Active Control; SE= standard error; Sig= significance; CI = confidence interval; BYAACQ= Brief Young Adult Alcohol Consequences Questionnaire; DDQ= Daily Drinking Questionnaire; BDI = Beck Depression Inventory; BFIS= Barkley Functional Impairment Scale.