Predictors of adherence to an internet-based cognitive behavioral therapy program for individuals with chronic pain and comorbid psychological distress

Table 1 Predictor variables within each cluster for number of completed treatment modules (n = 95)

Completed treatment modules	B (SE)	95% CI	β	t	P
Health variables
Sick-leave	− 0.09 (.09)	− 0.27; 0.09	− .12	0.97	.337
MADRS-S	− 0.01 (0.01)	− 0.02; − 0.01	− .36	2.93	.005
Pain variables
MPI Life Control	0.05 (0.04)	− 0.02; 0.12	.15	1.38	.170
CPAQ Willingness	0.01 (0.01)	0.01; 0.02	.32	3.04	.003
Engagement variables
Late second week	− 0.16 (0.07)	− 0.30; − 0.02	− .26	2.22	.030
TCS	0.01 (0.01)	0.00; 0.02	.24	2.07	.043

MADRS Montgomery-Åsberg Depression Rating Scale, MPI Multidimensional Pain Inventory, CPAQ Chronic Pain Acceptance Questionnaire, TCS Treatment Credibility Scale