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Cost-effectiveness and long-term effectiveness of Internet-based cognitive behaviour therapy for severe health anxiety
Karolinska Institutet, Stockholm, Sweden .
Karolinska Institutet, Stockholm, Sweden .
Karolinska Institutet, Stockholm, Sweden .
Linköping University, Department of Behavioural Sciences and Learning, Psychology. Linköping University, Faculty of Arts and Sciences. (Internet, health and clinical psychology research group)ORCID iD: 0000-0003-4753-6745
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2013 (English)In: Psychological Medicine, ISSN 0033-2917, E-ISSN 1469-8978, Vol. 43, no 2, 363-374 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Severe health anxiety is a common condition associated with functional disability, making it a costly disorder from a societal perspective. Internet-based cognitive behaviour therapy (ICBT) is a promising treatment but no previous study has assessed the cost-effectiveness or long-term outcome of ICBT for severe health anxiety. The aim of this study was to investigate the cost-effectiveness and 1-year treatment effects of ICBT for severe health anxiety. Method Cost-effectiveness and 1-year follow-up data were obtained from a randomized controlled trial (RCT) comparing ICBT (n = 40) to an attention control condition (CC, n = 41). The primary outcome measure was the Health Anxiety Inventory (HAI). A societal perspective was taken and incremental cost-effectiveness ratios (ICERs) were calculated using bootstrap sampling.

RESULTS: The main ICER was -£1244, indicating the societal economic gain for each additional case of remission when administering ICBT. Baseline to 1-year follow-up effect sizes on the primary outcome measure were large (d = 1.71-1.95).

CONCLUSIONS: ICBT is a cost-effective treatment for severe health anxiety that can produce substantial and enduring effects.

Place, publisher, year, edition, pages
Cambridge University Press, 2013. Vol. 43, no 2, 363-374 p.
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URN: urn:nbn:se:liu:diva-87720DOI: 10.1017/S0033291712001079ISI: 000313066400012PubMedID: 22608115OAI: diva2:599822
Available from: 2013-01-22 Created: 2013-01-22 Last updated: 2014-11-28

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