A multi-service practice research network study of large group psychoeducational cognitive behavioural therapy

Jaime Delgadillo, Stephen Kellett, Shehzad Ali, Dean McMillan, Michael Barkham, David Saxon, Gill Donohoe, Heather Stonebank, Sarah Mullaney, Patricia Eschoe, Richard Thwaites, Michael Lucock

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Background

This was a multi-service evaluation of the clinical and organisational effectiveness of large group psychoeducational CBT delivered within a stepped care model.

Method

Clinical outcomes for 4451 participants in 163 psychoeducational groups delivered across 5 services were analysed by calculating pre-post treatment anxiety (GAD-7) effect sizes (Cohen's d). Overall and between-service effects were compared to published efficacy benchmarks. Multilevel modelling was used to examine if variability in clinical outcomes was explained by differences in service, group and patient-level (case-mix) variables.

Results

The pooled GAD-7 (pre-post) effect size for all services was d = 0.70, which was consistent with efficacy benchmarks for guided self-help interventions (d = 0.69). One service had significantly smaller effects (d = 0.48), which was explained by differences in group treatment length and case-mix. Variability between groups (i.e., group effects) explained up to 3.6% of variance in treatment outcomes.

Conclusions

Large group psychoeducational CBT is clinically effective, organisationally efficient and consistent with a stepped care approach to service design. Clinical outcome differences between services were explained by group and patient variables.
Original languageEnglish
Pages (from-to)155-161
Number of pages7
JournalBehaviour Research and Therapy
Volume87
Early online date20 Sep 2016
DOIs
Publication statusPublished - 1 Dec 2016

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