Predictors of treatment outcome in an effectiveness trial of cognitive behavioral therapy for children with anxiety disorders
Section snippets
Methods
This study was part of a randomized waitlist-controlled effectiveness trial of CBT for children with anxiety disorders. The main aims of the trial were to investigate the effectiveness of CBT in community clinics and to compare the relative effectiveness of individual CBT (ICBT) and group CBT (GCBT) for children with anxiety disorders. The procedures for recruitment of participants, training of therapists and assessors, and randomization have been reported elsewhere (Wergeland et al., 2014)
Results
At post-treatment, 22.7% of the children was free from all inclusion anxiety disorders, and 35.2% was free from their principal anxiety disorder. At 1-year follow-up, the corresponding numbers were 36.5 and 45.9%. The observed mean change in child-rated anxiety symptoms at post-treatment was −8.51 (SD 14.40) and at 1-year follow-up, it was −11.89 (SD 14.39). For parent-rated child anxiety symptoms, the corresponding means were −8.16 (SD 12.08) and −11.19 (SD 13.22), respectively. Child- and
Discussion
The present study examined potential predictors of CBT outcome in children with anxiety disorders who were treated in community clinics with a manualized CBT program. Treatment outcomes were evaluated across different methods focusing on different aspects of outcome. The most consistent findings were that higher child anxiety levels, higher functional impairment, higher levels of parent internalizing symptoms at baseline, and primary diagnoses of social phobia or separation anxiety were
Conflicts of interest
Wergeland, Gro Janne H. reports no conflicts of interest.
Fjermestad, Krister W. reports no conflicts of interest.
Marin, Carla E. reports no conflicts of interest.
Bjelland, Ingvar reports no conflicts of interest.
Haugland, Bente Storm-Mowatt reports no conflicts of interest.
Silverman, Wendy K. reports no conflicts of interest.
Öst, Lars-Göran reports no conflicts of interest.
Bjaastad, Jon Fauskanger reports no conflicts of interest.
Oeding, Kristin reports no conflicts of interest.
Havik, Odd E.
Acknowledgments
The study received support from the Western Norway Regional Health Authority through project numbers 911366 and 911253. The study received additional financial support from the Meltzer Research Foundation at the University of Bergen, Norway; Josef and Haldis Andresen Foundation, Solveig and Johan P. Sommer Foundation for promotion of research on clinical psychiatry, Gidske and Petter Jacob Sørensen Foundation, and Risteigen Foundation. The authors are grateful to Professor Paula Barrett for
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