Table 2.
Coefficients for the Predictor x Time and Predictor x Time Interactions
| Change During Treatment | Change During Follow-Up | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| b | t | p | d | b | t | p | d | |||
| Analysis | Predictor | |||||||||
| 1a | Percent Sessions Attended | Overall | −0.86 | −4.56 | .000 | −0.79 | 0.02 | 4.37 | .000 | 0.75 |
| 2a | Frequency (M) | Overall | 0.05 | 4.76 | .000 | 0.82 | 0.00 | 0.54 | .593 | 0.09 |
| 2b | Frequency (M) | PE | 0.06 | 4.60 | .000 | 0.80 | 0.00 | 0.94 | .349 | 0.16 |
| CPT | 0.05 | 3.42 | .001 | 0.60 | 0.00 | −0.39 | .694 | −0.07 | ||
| Group x Time | 0.01 | 0.54 | .590 | 0.09 | 0.00 | 0.99 | .323 | 0.17 | ||
| 3a | Consistency (SD) | Overall | 0.02 | 2.67 | .009 | 0.48 | 0.00 | 0.66 | .512 | 0.12 |
| 3b | Consistency (SD) | PE | 0.03 | 1.37 | .174 | 0.25 | 0.00 | 1.00 | .319 | 0.18 |
| CPT | 0.02 | 2.16 | .032 | 0.39 | 0.00 | −0.36 | .722 | −0.06 | ||
| Group x Time | 0.01 | 0.23 | .818 | 0.04 | 0.00 | 1.04 | .299 | 0.19 | ||
| 4a | Days btw S2 and S3 | Overall | 0.02 | 1.13 | .260 | 0.20 | 0.00 | −0.97 | .333 | −0.18 |
| 4b | Days bw S2 and S3 | PE | 0.00 | 0.09 | .929 | 0.02 | 0.00 | −0.68 | .497 | 0.00 |
| CPT | 0.04 | 1.94 | .054 | 0.35 | 0.00 | −0.55 | .582 | −0.10 | ||
| Group x Time | 0.04 | 1.43 | .155 | 0.26 | 0.00 | −0.18 | .860 | 0.00 | ||
| 5a | Days btw S3 and S4 | Overall | 0.02 | 1.13 | .260 | 0.20 | 0.00 | 0.52 | .601 | 0.00 |
| 5b | Days btw S3 and S4 | PE | 0.00 | 0.09 | .929 | 0.02 | 0.00 | −1.01 | .313 | 0.00 |
| CPT | 0.04 | 1.94 | .054 | 0.35 | 0.00 | 0.66 | .513 | 0.12 | ||
| Group x Time | 0.04 | 1.43 | .155 | 0.26 | 0.00 | 1.10 | .275 | 0.00 | ||
| 6a | Days btw S4 and S5 | Overall | 0.02 | 2.58 | .011 | 0.49 | 0.00 | −0.18 | .858 | −0.03 |
| 6b | Days btw S4 and S5 | PE | 0.02 | 2.26 | .026 | 0.43 | 0.00 | 1.00 | .322 | 0.00 |
| CPT | 0.02 | 1.96 | .052 | 0.37 | 0.00 | −1.66 | .099 | −0.32 | ||
| Group x Time | 0.00 | −0.28 | .781 | 0.00 | 0.00 | −1.75 | .083 | 0.00 | ||
Note. CPT = cognitive processing therapy; PE = prolonged exposure; SD = standard deviation; M = mean; btw = between; df = degrees of freedom; S2 = session 2; S3 = session 3; S4 = session 4; S5 = session 5. Bold text indicates statistically significant results.