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Internet-delivered acceptance-based behaviour therapy for generalized anxiety disorder: A randomized controlled trial
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2016 (English)In: Behaviour Research and Therapy, ISSN 0005-7967, E-ISSN 1873-622X, Vol. 77, 86-95 p.Article in journal (Refereed) Published
Abstract [en]

Generalized anxiety disorder (GAD) is a disabling condition which can be treated with cognitive behaviour therapy (CBT). The present study tested the effects of therapist-guided internet-delivered acceptance-based behaviour therapy on symptoms of GAD and quality of life. An audio CD with acceptance and mindfulness exercises and a separate workbook were also included in the treatment. Participants diagnosed with GAD (N = 103) were randomly allocated to immediate therapist-guided internet-delivered acceptance-based behaviour therapy or to a waiting-list control condition. A six month follow-up was also included. Results using hierarchical linear modelling showed moderate to large effects on symptoms of GAD (Cohen's d = 0.70 to 0.98), moderate effects on depressive symptoms (Cohen's d = 0.51 to 0.56), and no effect on quality of life. Follow-up data showed maintained effects. While there was a 20% dropout rate, sensitivity analyses showed that dropouts did not differ in their degree of change during treatment. To conclude, our study suggests that internet-delivered acceptance-based behaviour therapy can be effective in reducing the symptoms of GAD.

Place, publisher, year, edition, pages
2016. Vol. 77, 86-95 p.
Keyword [en]
Internet-based behaviour therapy, generalized anxiety disorder, randomized controlled trial, acceptance, mindfulness
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:su:diva-125219DOI: 10.1016/j.brat.2015.12.007ISI: 000370899200011OAI: oai:DiVA.org:su-125219DiVA: diva2:892119
Note

The write-up of the study was sponsored in part by a grant from Linköping University to the second author, and in part by the Swedish Research Council to the last author.

Available from: 2016-01-08 Created: 2016-01-08 Last updated: 2016-06-22Bibliographically approved

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