Table 2:
Means and Between and Within-Groups Effects for Study Outcomes
| Peer Support | Self-Managed | Pre to Post-treatment |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Within Peer Support Between Groups | ||||||||||
| Week 0 |
Week 12 | Week 24 | Week 0 |
Week 12 | Week 24 | effect size (95% CI) |
Sign. test | effect size (95% CI) |
Sign. test | |
| Measure | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | Cohen’s d | ʈ | Cohen’s d | ʈ |
| PTSD severity | 48.2 (11.62) | 41.78 (14.90) | 40.31 (12.10) | 51.87 (9.01) | 43.16 (13.42) | 41.64 (12.18) | .55(0, 1.09) | 2.80* | .22(−.50, .93) | -.70 |
| Drinking days | 12.60 (8.10) | 11.17(7.58) | 9.73 (7.21) | 13.30 (8.7) | 10.77 (8.52) | 8.24 (7.48) | .18(−.34, .69) | 1.51 | .13(−.59, .84) | .68 |
| Heavy Drinking Days | 6.71 (9.36) | 5.74 (9.11) | 4.77 (9.15) | 6.43 (7.89) | 3.99 (7.01) | 1.55 (3.79) | .10(−.41, .61) | 1.49 | .17(−.55, .89) | 1.20 |
| Psych Quality of Life | 47.76 (19.39) | 63.45 (27.62) | 65.21 (27.32) | 43.78 (16.42) | 53.42 (20.10) | 54.67 (19.83) | .81(.21, 1.39) | 4.04* | .34(−.39, 1.06) | 1.15 |
| Social Quality of Life | 46.91 (45.47) | 57.68 (27.38) | 68.45 (28.93) | 45.67 (18.43) | 53.72 (26.50) | 61.76 (20.30) | .45(−.09, .97) | 3.66* | .13(−.59, .84) | .69 |
| Resiliency | 64.13 (14.20) | 71.34 (18.77) | 75.37 (14.84) | 62.47 (15.21) | 67.81 (13.87) | 70.70 (10.20) | -.51(−.04, 1.04) | 3.36* | .13(−.59, .84) | .62 |
| Coping | 1.08 (.40) | 1.63 (.65) | 1.68 (.85) | 1.44 (.49) | 1.78 (.67) | 1.76 (.56) | 1.38(.65, 2.08) | 5.10* | .49(−.24, 1.21) | 1.46 |
| Activation | 59.31 (13.03) | 63.23 (15.99) | 67.14 (17.31) | 57.47(12.45) | 60.99 (14.34) | 64.50 (13.94) | .30(−.22, .81) | 1.58 | .03(−.68, .75) | .12 |
Note:
*
p ≤ .05.