TABLE 3. Intent-to-Treat Results for Continuous Primary and Secondary Outcome Measures.
Measure | Intensive Cognitive Therapy (N=30) | Standard Cognitive Therapy (N=31) | Supportive Therapy (N=30) | Waitlist (N=30) | ||||
---|---|---|---|---|---|---|---|---|
| ||||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| ||||||||
Primary Outcomes: PTSD symptoms | ||||||||
| ||||||||
Independent Assessor (CAPS) | ||||||||
Pre-Treatment or Wait | 78.72 | 19.80 | 70.60 | 13.45 | 74.60 | 15.39 | 69.95 | 14.17 |
14 weeks (Post) | 32.22 | 27.20 | 26.97 | 28.68 | 47.88 | 31.77 | 65.28 | 20.64 |
27 weeks (Follow-up 1) | 35.56 | 26.26 | 20.86 | 25.23 | 49.32 | 32.46 | ||
40 weeks (Follow-up 2) | 35.33 | 35.11 | 20.96 | 27.71 | 49.04 | 38.01 | ||
| ||||||||
Self-Report (PDS) | ||||||||
Pre-Treatment or Wait | 33.21 | 7.66 | 32.44 | 6.94 | 34.26 | 7.40 | 32.46 | 7.60 |
6 weeks | 14.85 | 8.92 | 16.33 | 11.58 | 23.30 | 12.90 | 31.92 | 6.84 |
14 weeks (Post) | 11.98 | 9.60 | 9.39 | 10.88 | 19.98 | 13.67 | 29.24 | 9.36 |
27 weeks (Follow-up 1) | 13.91 | 11.63 | 10.15 | 11.86 | 18.93 | 12.98 | ||
40 weeks (Follow-up 2) | 13.03 | 13.99 | 9.63 | 11.26 | 20.94 | 15.40 | ||
| ||||||||
Secondary Outcome M easures: Disability, Depression, Anxiety, Quality of Life | ||||||||
| ||||||||
Disability (SDS) | ||||||||
Pre-Treatment or Wait | 20.48 | 5.55 | 21.39 | 5.11 | 19.65 | 6.97 | 17.28 | 7.74 |
6 weeks | 10.72 | 7.51 | 14.02 | 9.35 | 16.60 | 7.90 | 17.22 | 6.67 |
14 weeks (Post) | 9.30 | 8.20 | 10.02 | 9.76 | 14.28 | 9.09 | 17.20 | 6.38 |
27 weeks (Follow-up 1) | 10.61 | 8.80 | 8.68 | 9.50 | 13.67 | 9.86 | ||
40 weeks (Follow-up 2) | 9.72 | 9.22 | 9.37 | 10.07 | 14.47 | 11.35 | ||
| ||||||||
Anxiety (BAI) | ||||||||
Pre-Treatment or Wait | 26.23 | 13.12 | 28.42 | 14.17 | 25.12 | 11.31 | 23.57 | 9.12 |
6 weeks | 13.55 | 12.16 | 13.88 | 14.01 | 17.01 | 13.30 | 23.26 | 10.88 |
14 weeks (Post) | 11.57 | 11.94 | 9.24 | 12.09 | 16.35 | 14.56 | 22.13 | 10.59 |
27 weeks (Follow-up 1) | 10.37 | 11.59 | 9.63 | 13.71 | 15.50 | 13.74 | ||
40 weeks (Follow-up 2) | 11.85 | 13.35 | 9.00 | 12.61 | 15.99 | 16.15 | ||
| ||||||||
Depression (BDI) | ||||||||
Pre-Treatment or Wait | 23.93 | 9.86 | 21.90 | 10.77 | 26.18 | 10.68 | 23.47 | 8.96 |
6 weeks | 14.34 | 9.30 | 13.39 | 10.70 | 19.79 | 12.42 | 21.26 | 8.06 |
14 weeks (Post) | 12.10 | 9.97 | 11.07 | 11.80 | 17.00 | 12.82 | 20.85 | 10.02 |
27 weeks (Follow-up 1) | 12.03 | 11.25 | 10.54 | 12.70 | 16.29 | 12.10 | ||
40 weeks (Follow-up 2) | 12.84 | 12.54 | 9.44 | 12.18 | 18.60 | 14.05 | ||
| ||||||||
Quality of Life | ||||||||
Pre-Treatment or Wait | 36.93 | 12.84 | 39.36 | 21.87 | 38.78 | 18.40 | 45.68 | 20.98 |
6 weeks | 49.54 | 17.23 | 57.49 | 20.82 | 44.86 | 25.25 | 41.74 | 15.13 |
14 weeks (Post) | 52.67 | 20.21 | 62.93 | 21.70 | 49.22 | 24.97 | 46.75 | 19.00 |
27 weeks (Follow-up 1) | 58.10 | 22.78 | 60.43 | 23.31 | 49.61 | 25.67 | ||
40 weeks (Follow-up 2) | 54.57 | 20.74 | 65.11 | 22.46 | 50.38 | 25.53 |
CAPS = Clinician Administered PTSD Scale; PDS = Posttraumatic Stress Diagnostic Scale; SDS = Sheehan Disability Scale; BDI = Beck Depression Inventory; BAI = Beck Anxiety Inventory; N/A = not assessed;
p < .05,
p < .01,
p < .001