Skip to main content

Table 4 Psychological test results for all groups at pre-treatment, post-treatment and 3-months follow up

From: Dresden PTSD treatment study: randomized controlled trial of motor vehicle accident survivors

Measure   Groups Group × Pre-Post F value, effect size ANCOVA post tests between groups with pretests as covariates/effect size
  Time CBT Wait List   
IESR-Intrusion Pre 21.7a 20.0a F = 28.5, p < 0.001 F = 28.8, p < 0.001,
  Post 7.6b 17.6a d = 1.89 d = 1.74
  FU 8.8b -   
IESR-Avoidance Pre 19.0a 16.5a F = 10.7, p < 0.01 F = 10.4, p < 0.01
  Post 10.7a 16.6a d = 1.16 d = 1.05
  FU 8.8a -   
IESR-Hyperarousal Pre 20.1a 20.7a F = 11.9 p < 0.001 F = 8.9, p < 0.01
  Post 9.6b 16.6a d = 1.22 d = 0.97
  FU 9.2b -   
BDI Pre 17.9a 16.0a F = 4.9 p < 0.05 F = 6.6, p = 0.14
  Post 9.1b 12.6a d = 0.78 d = 0.83
  FU 10.0b -   
STAI Pre 50.5a 49.1a F = 6.4 p < 0.01 F = 6.5, p < 0.01
  Post 40.9a 46.2a d = 0.89 d = 0.83
  FU 41.9a -   
PTCI Pre 123.3a 107.9a F = 20.2 p < 0.001 F = 16.7, p < 0.001
  Post 86.1b 100.25a d = 1.59 d = 1.33
  FU 92.5b -   
  1. a, b, c Means within a column which share a superscript do not differ at p = 0.05