Table 3.
Alcohol and tobacco -related outcome measures at baseline, 3-month and 6-month follow-up
| Intervention | Control | Control | GEE (Time) | GEE (Group x Time) | ||||
|---|---|---|---|---|---|---|---|---|
| Variables | Time | Alcohol and Tobacco | Tobacco only | Alcohol only | Wald Chi-square | P-value | Wald Chi-square | P-value |
| Criterion variables | ||||||||
| Past week tobacco use units (M, SD) | Baseline (n = 620) | 78 (52) | 66 (49) | 70 (48) | 332.38 | <0.001 | 2.60 | 0.107 |
| 3 months (n = 462) | 41 (38) | 22 (32) | 36 (37) | |||||
| 6 months (n = 450) | 40 (35) | 20 (29) | 37 (42) | |||||
| Past week alcoholic use units (M, SD) | Baseline (n = 620) | 22 (27) | 19 (22) | 21 (22) | 206.48 | <0.001 | 3.01 | 0.083 |
| 3 months (n = 462) | 8 (15) | 5 (7) | 7 (12) | |||||
| 6 months (n = 450) | 12 (18) | 5 (9) | 6 (10) | |||||
| Tobacco ASSIST total (M, SD) | Baseline (n = 620) | 19.2 (4.4) | 21.9 (3.6) | 19.3 (4.4) | 485.08 | <0.001 | 8.43 | 0.004 |
| 3 months (n = 462) | 7.0 (4.9) | 9.1 (9.1) | 8.9 (6.7) | |||||
| 6 months (n = 450) | 6.3 (3.9) | 9.1 (9.4) | 8.5 (6.5) | |||||
| Past week tobacco abstinent (N, %) | Baseline (n = 620) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2000.16 | <0.001 | 7.34 | 0.007 |
| 3 months (n = 462) | 31 (19.1) | 61 (41.2) | 37 (24.3) | |||||
| 6 months (n = 450) | 28 (17.7) | 70 (49.0) | 40 (26.7) | |||||
| Alcohol ASSIST total (M, SD) | Baseline (n = 620) | 16.9 (4.6) | 16.2 (4.3) | 17.2 (3.9) | 1810.97 | <0.001 | 1.80 | 0.179 |
| 3 months (n = 462) | 5.6 (5.6) | 7.5 (7.4) | 6.3 (6.3) | |||||
| 6 months (n = 450) | 6.1 (4.9) | 8.6 (8.0) | 4.8 (5.7) | |||||
| Alcohol ASSIST score (<11) (N,%) | Baseline (n = 620) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 486.58 | <0.001 | 1.07 | 0.301 |
| 3 months (n = 462) | 131 (80.9) | 96 (64.9) | 110 (72.4) | |||||
| 6 months (n = 450) | 127 (80.9) | 86 (60.1) | 123 (82.0) | |||||
| Past week tobacco abstinent OR Alcohol ASSIST (<11) (N,%) | Baseline (n = 620) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 745.64 | <0.001 | 1.05 | 0.305 |
| 3 months (n = 462) | 102 (63.0) | 63 (42.6) | 87 (57.6) | |||||
| 6 months (n = 450) | 101 (64.3) | 54 (37.8) | 91 (60.7) | |||||
| Past week tobacco abstinent AND Alcohol ASSIST (<11) (N,%) | Baseline (n = 620) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 737.40 | <0.001 | 0.88 | 0.348 |
| 3 months (n = 462) | 30 (18.5) | 47 (31.8) | 30 (19.6) | |||||
| 6 months (n = 450) | 27 (17.2) | 51 (35.7) | 36 (24.0) | |||||