Table 3.
Mean comparisons between classes identified up to 12-months following treatment on outcomes at 3 years post-treatment in Project MATCH based on most-likely class membership
| Non-responder Class 1: Low Functioning (≈6%) | Non-responder Class 2: Average Functioning (≈18%) | Non-responder Class 3: High Functioning (≈28%) | Responders: Abstainers/ Low-risk Drinkers (48%) | |
|---|---|---|---|---|
| Sample size range by group* | 23 – 35 | 92 – 123 | 246 – 280 | 185 – 352 |
| DrInC: Total Consequences (n = 546, abstainers omitted) M (95% Confidence Interval) | 61.04a (48.58, 73.51) | 47.58a (42.12, 53.04) | 30.48b (27.89, 33.08) | 25.54b (22.12, 28.94) |
| Percent Drinking Days (n = 790) M (95% Confidence Interval) | 29.33ab (17.03, 41.64) | 38.98b (32.37, 45.59) | 43.56b (39.24, 47.87) | 17.95a (14.87, 21.02) |
| Drinks per Drinking Day (n = 790) M (95% Confidence Interval) | 7.04a (4.17, 9.91) | 6.12a (5.09, 7.16) | 6.17a (5.56, 6.78) | 2.43b (2.07, 2.79) |
| Percent Heavy Drinking Days (n = 790) M (95% Confidence Interval) | 24.10a (12.92, 35.27) | 30.25a (24.23, 36.28) | 28.66a (24.88, 32.44) | 8.41b (6.24, 10.58) |
| Social Behavior Score (n = 766) M (95% Confidence Interval) | 3.06a (2.87, 3.26) | 3.19a (3.10, 3.27) | 3.50b (3.45, 3.56) | 3.49b (3.45, 3.54) |
| Troubled by Psych Problems (n = 787) M (95% Confidence Interval) | 1.57a (1.02, 2.12) | 1.33a (1.07, 1.59) | 0.70b (0.56, 0.84) | 0.75b (0.62, 0.88) |
| Unhappy – Life (n = 748) Proportion | .50a | .40a | .18b | .16b |
| Unhappy – Living Situation (n = 752) Proportion | .40a | .29a | .20ab | .17b |
| Unhappy – Personal Relationship (n = 750) Proportion | .54a | .34ab | .22bc | .15c |
| Dissatisfied – Leisure (n = 759) Proportion | .49a | .46a | .19b | .18b |
| Unemployed (n = 789) Proportion | .31a | .24a | .11b | .12b |
| Experienced serious depression (n = 789) Proportion | .34a | .26ab | .12c | .16bc |
| Experienced anxiety/tension (n = 789) Proportion | .43ab | .38b | .22c | .23ac |
Note. DrInC=Drinker Inventory of Consequences, ASI=Addiction Severity Index, BDI=Beck Depression Inventory, PFI=Psychosocial Functioning Inventory. Means/proportions sharing a subscript in a row indicate means that are not significantly different from each other based on Tukey post-hoc comparisons/cross-tabulation tests of significance.
*
Sample sizes ranged based on missingness on the various outcome variables.