Table 2.

Bivariate analyses. Nonresponse and patient, therapist, and implementation factors

Variable	DF*	p-value	Odds ratio	Confidence intervals Lower CI Upper CI		Cramer’s V estimate (Lower CI – Upper CI)
Patient factors
Age (< = 15)	516	.039	0.64	0.42	0.97	0.09 (0.01–0.17)
Gender (girl)	545	.142	1.39	0.90	2.19	0.06 (0.00–0.14)
>  = 3 trauma experiences	644	< .001	1.90	1.32	2.73	0.13 (0.05–0.21)
PTSS pretreatment (total score > 33)	644	< .001	3.05	2.09	4.53	0.23 (0.16–0.31)
Therapist factor (educational background)
Bachelor	514	.304	1.45	0.69	2.91	0.06 (0.00–0.14)
Master	514	.974	1.27	0.77	2.05	0.05 (0.00–0.15)
Medicine	514	.196	0.64	0.37	1.10	0.07 (0.01–0.15)
Psychologist	514	.614	0.88	0.57	1.35	0.02 (0.00–0.11)
Implementation factor
Implementation strategy 1	644	< .001	0.50	0.34	0.73	0.16 (0–08-0.24)
Implementation strategy 2	644	.010	1.74	1.13	2.65	0.11 (0.04–0.19)
Implementation strategy 3	644	.420	1.22	0.74	1.95	0.05 (0.00–0.13)
Implementation strategy 4	644	.356	1.32	0.72	2.37	0.05 (0.00–0.14)

^*Sample size is indicated by the degrees of freedom (DF) + 1. The sample size for each parameter varies due to missing values in the data set