Psychological Group-Treatments of Social Anxiety Disorder: A Meta-Analysis.

H.P. Wersebe, M. Sijbrandij, P. Cuijpers

Research output: Contribution to JournalArticleAcademicpeer-review


Background: A few meta-analyses have examined psychological treatments for a social anxiety disorder (SAD). This is the first meta-analysis that examines the effects of cognitive behavioural group therapies (CBGT) for SAD compared to control on symptoms of anxiety. Method: After a systematic literature search in PubMed, Cochrane, PsychINFO and Embase was conducted; eleven studies were identified that met the inclusion criteria. The studies had to be randomized controlled studies in which individuals with a diagnosed SAD were treated with cognitive-behavioural group therapy (CBGT) and compared with a control group. The overall quality of the studies was moderate. Results: The pooled effect size indicated that the difference between intervention and control conditions was 0.53 (96% CI: 0.33-0.73), in favour of the intervention. This corresponds to a NNT 3.24. Heterogeneity was low to moderately high in all analyses. There was some indication of publication bias. Conclusions: It was found that psychological group-treatments CBGT are more effective than control conditions in patients with SAD. Since heterogeneity between studies was high, more research comparing group psychotherapies for SAD to control is needed. © 2013 Wersebe et al.
Original languageEnglish
Article numbere79034
Number of pages7
JournalPLoS ONE
Issue number11
Publication statusPublished - 2013


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