Table 1.
Demographics, WHO Risk Drinking Levels at Baseline, End of Treatment, and 3-Year Follow-up, and Functional Outcomes at Baseline and 3-Year Follow-ups by Study Among 3-Year Follow-up Completers
| COMBINE (n = 694) | MATCH (n = 806) | |||||
|---|---|---|---|---|---|---|
| Baseline | End of treatment | 3-year follow-up | Baseline | End of treatment | 3-year follow-up | |
| Demographics | ||||||
| Age, mean (SD) | 44.9 (10.3) | 38.6 (10.7) | ||||
| Male (%) | 70.4% | 77.2% | ||||
| Non-Hispanic White (%) | 78.3% | 79.4% | ||||
| Black/African American (%) | 10.0% | 6.0% | ||||
| Hispanic (%) | 6.9% | 12.0% | ||||
| American Indian/Alaska Native (%) | 1.2% | 1.7% | ||||
| Asian | 0.1% | 0.1% | ||||
| Multi-racial (%) | 1.9% | 0.0% | ||||
| “Other” race (%) | 1.5% | 0.7% | ||||
| WHO risk drinking levels | ||||||
| Abstinent, N (%) | 0 (%) | 260 (37.6%) | 300 (45.0%) | 0 (%) | 331 (41.6%) | 309 (38.3%) |
| Low risk, N (%) | 17 (2.4%) | 270 (39.0%) | 161 (24.1%) | 128 (15.9%) | 302 (37.9%) | 267 (33.1%) |
| Medium risk, N (%) | 51 (7.3%) | 60 (8.7%) | 63 (9.4%) | 111 (13.8%) | 55 (6.9%) | 74 (9.2%) |
| High risk, N (%) | 143 (20.6%) | 45 (6.5%) | 71 (10.6%) | 178 (22.1%) | 43 (5.4%) | 67 (8.3%) |
| Very high risk, N (%) | 483 (69.6%) | 57 (8.2%) | 72 (10.8%) | 389 (48.3%) | 65 (8.2%) | 89 (11.0%) |
| At least 1-level reduction from baseline, N (%) | 606 (87.6%) | 548 (82.2%) | 641 (80.5%) | 602 (74.7%) | ||
| At least 2-level reduction from baseline, N (%) | 513 (74.1%) | 454 (68.1%) | 498 (62.6%) | 451 (56.0%) | ||
| Functional outcomes | ||||||
| SF-12 mental health, mean (SD) | 40.83 (11.28) | 48.67 (9.78) | 47.45 (10.81) | |||
| Environmental QoL, mean (SD) | 29.33 (5.55) | 31.00 (5.57) | 31.38 (5.29) | |||
| Social QoL, mean (SD) | 9.76 (2.64) | 10.81 (2.57) | 10.90 (2.57) | |||
| Psychological QoL, mean (SD) | 20.79 (4.00) | 22.55 (4.26) | 22.80 (4.06) | |||
| Physical QoL, mean (SD) | 27.02 (4.34) | 29.02 (4.33) | 28.33 (4.66) | |||
| DrInC scores, mean (SD) | 46.73 (22.23) | 33.55 (25.08) | 33.11 (24.89) | |||
| PFI social behavior, mean (SD) | 3.22 (0.49) | 3.41 (0.47) | 3.43 (0.47) | |||
All descriptive statistics are observed with no imputation for missing data. SF-12, Short Form Health Survey, where higher scores indicate better mental health; QoL, World Health Organization Quality of Life Scale, where higher scores indicate better quality of life; DrInC, Drinker Inventory of Consequences Scale, where higher scores indicate more alcohol-related consequences; PFI, Psychosocial Functioning Inventory, where higher scores indicate better psychosocial functioning