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How much psychotherapy is needed to treat depression? A metaregression analysis
Vrije University of Amsterdam, Netherlands .
Vrije University of Amsterdam, Netherlands .
Leuphana University, Germany .
Vrije University of Amsterdam, Netherlands .
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2013 (English)In: Journal of Affective Disorders, ISSN 0165-0327, E-ISSN 1573-2517, Vol. 149, no 1-3, 1-13 p.Article, review/survey (Refereed) Published
Abstract [en]

Background: Although psychotherapies are effective in the treatment of adult depression it is not clear how this treatment effect is related to amount, frequency and intensity of therapy. less thanbrgreater than less thanbrgreater thanMethods: To fill this gap in knowledge, the present metaregression analysis examined the association between the effects of psychotherapy for adult depression and several indicators of amount, frequency and intensity of therapy. The analysis included 70 studies (92 comparisons) with 5403 patients, in which individual psychotherapy was compared with a control group (e.g. waiting list, care-as-usual). less thanbrgreater than less thanbrgreater thanResults: There was only a small association between number of therapy sessions and effect size, and this association was no longer significant when the analysis adjusted for other characteristics of the studies. The multivariable analyses also found no significant association with the total contact time or duration of the therapy. However, there was a strong association between number of sessions per week and effect size. An increase from one to two sessions per week increased the effect size with g=0.45, while keeping the total number of treatment sessions constant. less thanbrgreater than less thanbrgreater thanDiscussion: More research is needed to establish the robustness of this finding. Based on these findings, it may be advisable to concentrate psychotherapy sessions within a brief time frame.

Place, publisher, year, edition, pages
Elsevier , 2013. Vol. 149, no 1-3, 1-13 p.
Keyword [en]
Depression, Major depression, Psychotherapy, Intensity, Meta-analysis
National Category
Social Sciences
Identifiers
URN: urn:nbn:se:liu:diva-95957DOI: 10.1016/j.jad.2013.02.030ISI: 000320593000001OAI: oai:DiVA.org:liu-95957DiVA: diva2:641713
Available from: 2013-08-19 Created: 2013-08-12 Last updated: 2017-12-06

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Andersson, Gerhard

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  • apa
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  • Other style
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  • de-DE
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