Table 2.
Outcome variable | WL | CT‐PTSD | Group effecta | ||||
---|---|---|---|---|---|---|---|
M | SD | n | M | SD | n | ||
PTSD symptoms (CPTSDI) | |||||||
Pre | 11.7 | 2.9 | 15 | 11.9 | 3.2 | 14 | F (1,28) = .01, p = .92 |
Post | 10.2 | 4.3 | 13 | 2.6 | 3.6 | 13 | F (1,25) = 28.90, p < .0001 |
6MFU | 1.5 | 2.6 | 13 | ||||
12MFU | 2.1 | 3.6 | 13 | ||||
PTSD severity (CPSS) | |||||||
Pre | 30.1 | 11.5 | 15 | 31.1 | 7.9 | 14 | F (1,28) = .08, p = .78 |
Post | 24.3 | 16.0 | 13 | 6.2 | 10.5 | 13 | F (1,25) = 16.36, p < .0006 |
6MFU | 5.2 | 8.6 | 13 | ||||
12MFU | 5.5 | 6.2 | 13 | ||||
Depression (MFQ) | |||||||
Pre | 27.8 | 16.6 | 15 | 29.3 | 11.6 | 14 | F (1,28) = .08, p = .78 |
Post | 25.0 | 21.5 | 13 | 11.2 | 14.0 | 13 | F (1,25) = 4.66, p < .04 |
6MFU | 11.3 | 10.9 | 13 | ||||
12MFU | 8.2 | 7.2 | 13 | ||||
Anxiety (SCAS) | |||||||
Pre | 54.0 | 25.8 | 15 | 45.6 | 18.4 | 14 | F (1,28) = 1.01, p = .32 |
Post | 49.5 | 34.5 | 13 | 19.5 | 18.0 | 13 | F (1,25) = 7.50, p < .02 |
6MFU | 16.2 | 15.4 | 13 | ||||
12MFU | 14.2 | 10.1 | 13 | ||||
Functioning (CGAS) | |||||||
Pre | 58.5 | 10.5 | 15 | 57.3 | 8.6 | 14 | F (1,28) = .12, p = .73 |
Post | 55.2 | 13.8 | 13 | 77.4 | 14.2 | 13 | F (1,25) = 17.44, p < .0004 |
Emotional difficulties (SDQ) | |||||||
Pre | 6.3 | 3.3 | 15 | 5.8 | 2.4 | 13 | F (1,27) = .23, p = .64 |
Post | 5.6 | 3.5 | 11 | 3.3 | 2.1 | 13 | F (1,22) = 8.53, p < .01 |
Conduct problems (SDQ) | |||||||
Pre | 4.2 | 2.3 | 15 | 2.9 | 2.0 | 13 | F (1,27) = 2.43, p = .13 |
Post | 4.4 | 2.8 | 11 | 1.8 | 1.6 | 11 | F (1,22) = 6.26, p < .03 |
Hyperactivity (SDQ) | |||||||
Pre | 6.3 | 2.8 | 15 | 5.4 | 3.1 | 13 | F (1,27) = .64, p = .43 |
Post | 6.2 | 2.4 | 11 | 3.2 | 2.2 | 12 | F (1,22) = 18.28, p < .0004 |
Pre = pretreatment (i.e. at randomization); Post = post‐CT‐PTSD/WL (Week 11); 6MFU = 6‐month follow‐up; 12MFU = 12‐month follow‐up; CPSS, Child PTSD Symptom Scale; CT‐PTSD, Cognitive Therapy for PTSD; SDQ, Strengths and Difficulties Questionnaire; WL, waiting list.
At pretreatment, one‐way ANOVA; at posttreatment, one‐way ANCOVA (pretreatment scores as covariates).