Table 2.
Change in outcome variables across time.
| Baseline | Month 2 | Month 6 | Month 12 | Statistics | |
|---|---|---|---|---|---|
| Outcomes | M (SD) | ||||
| Alcohol Craving | |||||
| A (n = 72) | 1.9 (1.2) | 1.3 (1.0) | 1.0 (0.9) | 0.9 (1.0) | X2(3) = 58.22, p < .001 |
| B (n = 323) | 2.2 (1.1) | 1.6 (1.0) | - | - | Z = −8.18, p < .001 |
| C (n = 259) | 2.1 (1.1) | - | 1.2 (1.0) | - | Z = −9.35, p < .001 |
| D (n = 134) | 2.0 (1.1) | - | - | 1.1 (1.1) | Z = −7.58, p < .001 |
| Percentage of Drinking Days | |||||
| A (n = 66) | 41.9 (35.8) | 21.6 (31.9) | 21.7 (33.6) | 18.5 (30.7) | F(2.20,142.82) = 17.03, p < .001 |
| B (n = 312) | 45.6 (35.0) | 23.7 (30.8) | - | - | t(311) = 12.12, p < .001 |
| C (n = 252) | 42.9 (35.1) | - | 22.5 (31.1) | - | t(251) = 8.88, p < .001 |
| D (n = 132) | 43.9 (35.5) | - | - | 20.7 (31.9) | t(131) = 8.17, p < .001 |
| Percentage of Binge Drinking Days | |||||
| A (n = 71) | 32.4 (33.9) | 9.7 (19.3) | 14.5 (27.8) | 10.0 (21.8) | F(1.93,135.05) = 27.07 p < .001 |
| B (n = 312) | 34.1 (33.2) | 13.5 (23.8) | - | - | t(311) = 12.90, p < .001 |
| C (n = 252) | 30.4 (32.3) | - | 13.8 (25.4) | - | t(251) = 8.28, p < .001 |
| D (n = 134) | 33.3 (34.1) | - | - | 13.1 (25.3) | t(133) = 7.97, p < .001 |
| Drinks per Typical Drinking Day (N=70) | |||||
| A (n = 70) | 3.1 (2.8) | 1.4 (2.0) | 1.4 (2.2) | 1.3 (2.5) | F(2.35,162.12) = 19.75 p < .001 |
| B (n = 321) | 3.7 (3.5) | 1.9 (2.8) | - | - | t(320) = 9.78, p < .001 |
| C (n = 255) | 3.4 (3.4) | - | 1.6 (2.3) | - | t(254) = 9.46, p < .001 |
| D (n = 131) | 3.8 (3.5) | - | - | 2.1 (3.3) | t(133)=7.97, p < .001 |
| Percentage of Drug Use Days | |||||
| A (n = 72) | 9.3 (24.0) | 5.9 (18.6) | 9.4 (28.4) | 4.3 (13.0) | F(2.40, 170.54) = 1.66, p = .176 |
| B (n = 323) | 14.8 (33.4) | 7.2 (19.8) | - | - | t(322) = 5.45, p < .001 |
| C (n = 259) | 16.2 (34.9) | - | 9.1 (24.6) | - | t(258) = 3.84, p < .001 |
| D (n = 132) | 12.4 (28.3) | - | - | 6.4 (17.7) | t(131) = 2.63, p = .009 |
| Number of AUD Symptoms | |||||
| A (n = 88) | 8.1 (2.9) | n/a | 2.7 (3.5) | 2.1 (3.2) | F(1.53,133.30) = 159.85, p < .001 |
| B | - | - | - | - | - |
| C (n = 259) | 8.0 (2.7) | - | 2.8 (3.4) | t(258) = 21.72, p < .001 | |
| D (n = 134) | 8.3 (2.9) | - | - | 2.8 (3.6) | t(133) = 15.79, p < .001 |
| PHQ-8 | |||||
| A (n = 72) | 9.0 (5.6) | 6.2 (5.3) | 5.9 (5.3) | 5.7 (5.0) | F(2.62,185.89) = 15.07, p < .001 |
| B (n = 323) | 9.5 (5.3) | 6.7 (4.5) | - | - | t(322) = 10.77, p < .001 |
| C (n = 259) | 9.2 (5.3) | - | 6.3 (5.0) | - | t(258) = 9.14, p < .001 |
| D (n = 134) | 9.6 (5.7) | - | - | 6.4 (5.1) | t(133) = 7.21, p < .001 |
| GAD-7 | |||||
| A (n = 72) | 7.4 (4.8) | 5.3 (4.4) | 4.8 (4.4) | 4.5 (4.3) | F(3, 213) = 13.03, p < .001 |
| B (n = 323) | 8.0 (5.0) | 5.7 (4.3) | - | - | t(322) = 9.33, p < .001 |
| C (n = 259) | 7.6 (4.9) | - | 5.4 (4.6) | - | t(258) = 8.08, p < .001 |
| D (n = 134) | 8.3 (5.0) | - | - | 5.3 (4.6) | t(133) = 7.00, p < .001 |
| Physical Health | |||||
| A (n = 72) | 1.7 (1.0) | 2.3 (1.0) | 2.4 (1.0) | 2.5 (1.0) | X2(3) = 44.64, p < .001 |
| B (n = 323) | 1.8 (1.0) | 2.2 (1.0) | - | - | Z = −8.11, p < .001 |
| C (n = 259) | 1.7 (1.0) | - | 2.3 (1.0) | - | Z = −7.19, p < .001 |
| D (n = 134) | 1.7 (1.0) | - | - | 2.2 (1.1) | Z = −5.74, p < .001 |
| Quality of Life | |||||
| A (n = 72) | 2.0 (0.9) | 2.4 (1.0) | 2.5 (0.9) | 2.6 (0.9) | X2(3) = 38.93, p < .001 |
| B (n = 323) | 1.9 (0.9) | 2.4 (1.0) | - | - | Z = −7.55, p < .001 |
| C (n = 259) | 1.9 (0.9) | - | 2.4 (1.0) | - | Z = −7.13, p < .001 |
| D (n = 134) | 2.0 (0.9) | - | - | 2.5 (1.0) | Z = −6.19, p < .001 |
| Meditate | |||||
| A (n = 72) | 1.3 (1.3) | 2.3 (1.4) | 1.9 (1.4) | 1.9 (1.4) | X2(3) = 41.59, p < .001 |
| B (n = 323) | 1.2 (1.3) | 2.3 (1.4) | - | - | Z = −11.58, p < .001 |
| C (n = 259) | 1.3 (1.3) | - | 1.7 (1.4) | - | Z = −4.30, p < .001 |
| D (n = 134) | 1.1 (1.2) | - | - | 1.7 (1.4) | Z = −4.94, p < .001 |
| Exercise | |||||
| A (n = 72) | 2.5 (1.3) | 2.6 (1.3) | 2.7 (1.1) | 2.6 (1.1) | X2(3)=3.40, p = .265 |
| B (n = 323) | 2.5 (1.3) | 2.6 (1.2) | - | - | Z= −2.66, p = .008 |
| C (n = 259) | 2.5 (1.2) | - | 2.6 (1.1) | - | Z=−1.86, p < .001 |
| D (n = 134) | 2.3 (1.3) | - | - | 2.5 (1.2) | Z=−2.82, p = .005 |
Note.
AUD = Alcohol use disorder. A = comparing all timepoints; B = baseline and Month 2; C = baseline and Month 6; D = baseline and Month 12.