Table 3.
Group x Time Interactions: Intent-to-Treat Mixed Model Repeated Measures ANOVAs
| Outcomes | Baseline Mean (SD) |
Post-Intervention Mean (SD) |
3-month follow-up Mean (SD) |
Wilk’s λ | F | Partial η2 |
|---|---|---|---|---|---|---|
| HIV-related PTSS (n = 65) | .86 | 4.86*** | .14 | |||
| PE | 25.30 (10.26) | 14.90 (11.09) | 14.43 (11.76) | |||
| Control | 26.00 (9.62) | 23.28 (11.26) | 19.76 (9.43) | |||
| NonHIV-related PTSS (n = 64) | .76 | 9.55*** | .24 | |||
| PE | 27.45 (9.52) | 14.60 (11.28) | 13.98 (11.96) | |||
| Control | 30.42 (10.29) | 26.96 (12.21) | 20.42 (8.83) | |||
| Depressive Symptoms (n = 65) | .92 | 2.82+ | .09 | |||
| PE | 25.72 (10.96) | 19.79 (10.46) | 18.56 (10.96) | |||
| Control | 26.55 (10.57) | 26.60 (12.29) | 21.40 (12.75) | |||
| Posttraumatic Cognitions (n = 65) | .90 | 3.28* | .10 | |||
| PE | 115.66 (37.38) | 97.25 (36.36) | 94.28 (35.46) | |||
| Control | 111.32 (41.09) | 112.56 (34.68) | 98.76 (46.80) | |||
| Substance Use (n = 65) | .99 | .12 | .00 | |||
| PE | 6.73 (11.49) | --- | 7.75 (14.05) | |||
| Control | 6.76 (10.70) | --- | 6.92 (10.93) |
(SD) = Standard deviation; PTSS = Posttraumatic Stress Symptoms; PE = Prolonged Exposure Group; Control = Wait-list/Control Group.
*
P <.05,
**
P <.01,
***
P <.001.