Table 4.
Group x Time Interaction Results from Mixed Model Repeated Measures ANOVAs: Completer Sample
| Outcomes | Baseline Mean (SD) |
Post-Intervention Mean (SD) |
3-month follow-up Mean (SD) |
Wilk’s λ | F | Partial η2 |
|---|---|---|---|---|---|---|
| HIV-related PTSS (n = 43) | .55 | 16.35*** | .43 | |||
| PE | 26.42 (9.76) | 8.32 (5.15) | 7.32 (6.74) | |||
| Control | 26.96 (8.52) | 24.13 (10.66) | 20.46 (8.94) | |||
| NonHIV-related PTSS (n = 42) | .45 | 23.99*** | .55 | |||
| PE | 28.79 (8.87) | 7.42 (4.11) | 6.11 (5.48) | |||
| Control | 31.70 (8.34) | 28.08 (11.13) | 21.26 (7.80) | |||
| Depressive Symptoms (n = 43) | .85 | 3.44* | .15 | |||
| PE | 26.47 (11.38) | 16.05 (10.07) | 13.53 (9.99) | |||
| Control | 26.87 (9.84) | 27.50 (11.68) | 22.08 (12.55) | |||
| Posttraumatic Cognitions (n = 43) | .77 | 5.84** | .23 | |||
| PE | 117.00 (36.97) | 84.53 (33.27) | 78.26 (27.83) | |||
| Control | 113.79 (40.03) | 115.08 (33.00) | 100.71 (46.76) | |||
| Substance Use (n = 43) | .10 | .08 | .00 | |||
| PE | 3.37 (7.11) | --- | 4.53 (12.46) | |||
| Control | 7.04 (10.83) | --- | 7.21 (11.07) |
(SD) = Standard deviation; PTSS = Posttraumatic Stress Symptoms; PE = Prolonged Exposure Group; Control = Wait-list/Control Group.
*
P <.05,
**
P <.01,
***
P <.001.