Table 3 Bivariate analyses. Drop-out and patient, therapist, and implementation factors

Patient factors

 Age (< 15)

1032

.016

0.65

0.44

0.93

0.07 (0.02–0.13)

 Gender (girl)

1066

.271

1.25

0.85

1.90

0.03 (0.00–0.09)

  >  = 3 trauma experiences

751

 < .001

1.74

1.17

2.60

0.04 (0.00–0.07)

 PTSS pretreatment (total score > 33)

1238

.104

1.32

0.94

1.85

0.05 (0.00–0.10)

Therapist factor (educational background)

 Bachelor

951

.722

1.11

0.52

2.13

0.01 (0.00–0.08)

 Master

951

.837

1.05

0.65

1.66

0.01 (0.00–0.07)

 Medicine

951

.363

0.75

0.38

1.35

0.03 (0.00–0.08)

 Psychologist

951

.766

1.06

0.71

1.61

0.01 (0.00–0.08)

Implementation factor

 Implementation strategy 1

1238

.008

0.60

0.41

0.87

0.08 (0.03–0.13)

 Implementation strategy 2

1238

 < .001

2.19

1.54

3.12

0.13 (0.07–0.20)

 Implementation strategy 3

1238

.373

0.80

0.49

1.28

0.03 (0.00–0.07)

 Implementation strategy 4

1238

.327

0.80

0.50

1.24

0.02 (0.00–0.07)