How much psychotherapy is needed to treat depression? A metaregression analysis

Publikation: Beiträge in ZeitschriftenÜbersichtsarbeitenForschung

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How much psychotherapy is needed to treat depression? A metaregression analysis. / Cuijpers, Pim; Huibers, Marcus; Ebert, David Daniel et al.
in: Journal of Affective Disorders, Jahrgang 149, Nr. 1-3, 07.2013, S. 1-13.

Publikation: Beiträge in ZeitschriftenÜbersichtsarbeitenForschung

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Cuijpers P, Huibers M, Ebert DD, Koole SL, Andersson G. How much psychotherapy is needed to treat depression? A metaregression analysis. Journal of Affective Disorders. 2013 Jul;149(1-3):1-13. doi: 10.1016/j.jad.2013.02.030

Bibtex

@article{20183d3b3f834c089c56be5c31936e55,
title = "How much psychotherapy is needed to treat depression?: A metaregression analysis",
abstract = "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. Methods: 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). Results: 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. Discussion: 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.",
keywords = "Health sciences, Depression, Intensity, Major depression, Meta-analysis, Psychotherapy",
author = "Pim Cuijpers and Marcus Huibers and Ebert, {David Daniel} and Koole, {Sander L.} and Gerhard Andersson",
year = "2013",
month = jul,
doi = "10.1016/j.jad.2013.02.030",
language = "English",
volume = "149",
pages = "1--13",
journal = "Journal of Affective Disorders",
issn = "0165-0327",
publisher = "Elsevier B.V.",
number = "1-3",

}

RIS

TY - JOUR

T1 - How much psychotherapy is needed to treat depression?

T2 - A metaregression analysis

AU - Cuijpers, Pim

AU - Huibers, Marcus

AU - Ebert, David Daniel

AU - Koole, Sander L.

AU - Andersson, Gerhard

PY - 2013/7

Y1 - 2013/7

N2 - 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. Methods: 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). Results: 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. Discussion: 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.

AB - 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. Methods: 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). Results: 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. Discussion: 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.

KW - Health sciences

KW - Depression

KW - Intensity

KW - Major depression

KW - Meta-analysis

KW - Psychotherapy

UR - http://www.scopus.com/inward/record.url?scp=84878515738&partnerID=8YFLogxK

U2 - 10.1016/j.jad.2013.02.030

DO - 10.1016/j.jad.2013.02.030

M3 - Scientific review articles

C2 - 23528438

VL - 149

SP - 1

EP - 13

JO - Journal of Affective Disorders

JF - Journal of Affective Disorders

SN - 0165-0327

IS - 1-3

ER -

DOI

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