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Internet-delivered acceptance-based behaviour therapy for generalized anxiety disorder: A randomized controlled trial
Psykologpartners, Private Practice, Linköping, Sweden.
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences. Karolinska Institute, Sweden.ORCID iD: 0000-0003-4753-6745
Karolinska Institute, Sweden.
Umeå University, Sweden.
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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) PublishedText
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 (Cohens d = 0.70 to 0.98), moderate effects on depressive symptoms (Cohens 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. (C) 2015 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 77, 86-95 p.
Keyword [en]
Internet-based behaviour therapy; Generalized anxiety disorder; Randomized controlled trial; Acceptance; Mindfulness
National Category
Basic Medicine
URN: urn:nbn:se:liu:diva-126256DOI: 10.1016/j.brat.2015.12.007ISI: 000370899200011PubMedID: 26731173OAI: diva2:913443

Funding Agencies|Linkoping University; Swedish Research Council

Available from: 2016-03-21 Created: 2016-03-21 Last updated: 2016-04-07Bibliographically approved

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Andersson, GerhardKadowaki, Åsa
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PsychologyFaculty of Arts and SciencesDepartment of Social and Welfare StudiesFaculty of Medicine and Health SciencesDepartment of Psychiatry
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