Self-guided psychological treatment for depressive symptoms: a meta-analysis.

<h4>Background</h4>A number of trials have examined the effects of self-guided psychological intervention, without any contact between the participants and a therapist or coach. The results and sizes of these trials have been mixed. This is the first quantitative meta-analysis, aimed at...

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Autores principales:	Pim Cuijpers, Tara Donker, Robert Johansson, David C Mohr, Annemieke van Straten, Gerhard Andersson
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bd94ea61d23244ce952b48bebdb5f85c
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spelling	oai:doaj.org-article:bd94ea61d23244ce952b48bebdb5f85c2021-12-02T20:11:45ZSelf-guided psychological treatment for depressive symptoms: a meta-analysis.1932-620310.1371/journal.pone.0021274https://doaj.org/article/bd94ea61d23244ce952b48bebdb5f85c2011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21712998/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>A number of trials have examined the effects of self-guided psychological intervention, without any contact between the participants and a therapist or coach. The results and sizes of these trials have been mixed. This is the first quantitative meta-analysis, aimed at organizing and evaluating the literature, and estimating effect size.<h4>Method</h4>We conducted systematic literature searches in PubMed, PsycINFO and Embase up to January 2010, and identified additional studies through earlier meta-analyses, and the references of included studies. We identified seven randomized controlled trials that met our inclusion criteria, with a total of 1,362 respondents. The overall quality of the studies was high. A post-hoc power calculation showed that the studies had sufficient statistical power to detect an effect size of d = 0.19.<h4>Results</h4>The overall mean effect size indicating the difference between self-guided psychological treatment and control groups at post-test was d = 0.28 (p<0.001), which corresponds to a NNT of 6.41. At 4 to 12 months follow-up the effect size was d = 0.23. There was no indication for significant publication bias.<h4>Conclusions</h4>We found evidence that self-guided psychological treatment has a small but significant effect on participants with increased levels of depressive symptomatology.Pim CuijpersTara DonkerRobert JohanssonDavid C MohrAnnemieke van StratenGerhard AnderssonPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 6, p e21274 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pim Cuijpers Tara Donker Robert Johansson David C Mohr Annemieke van Straten Gerhard Andersson Self-guided psychological treatment for depressive symptoms: a meta-analysis.
description	<h4>Background</h4>A number of trials have examined the effects of self-guided psychological intervention, without any contact between the participants and a therapist or coach. The results and sizes of these trials have been mixed. This is the first quantitative meta-analysis, aimed at organizing and evaluating the literature, and estimating effect size.<h4>Method</h4>We conducted systematic literature searches in PubMed, PsycINFO and Embase up to January 2010, and identified additional studies through earlier meta-analyses, and the references of included studies. We identified seven randomized controlled trials that met our inclusion criteria, with a total of 1,362 respondents. The overall quality of the studies was high. A post-hoc power calculation showed that the studies had sufficient statistical power to detect an effect size of d = 0.19.<h4>Results</h4>The overall mean effect size indicating the difference between self-guided psychological treatment and control groups at post-test was d = 0.28 (p<0.001), which corresponds to a NNT of 6.41. At 4 to 12 months follow-up the effect size was d = 0.23. There was no indication for significant publication bias.<h4>Conclusions</h4>We found evidence that self-guided psychological treatment has a small but significant effect on participants with increased levels of depressive symptomatology.
format	article
author	Pim Cuijpers Tara Donker Robert Johansson David C Mohr Annemieke van Straten Gerhard Andersson
author_facet	Pim Cuijpers Tara Donker Robert Johansson David C Mohr Annemieke van Straten Gerhard Andersson
author_sort	Pim Cuijpers
title	Self-guided psychological treatment for depressive symptoms: a meta-analysis.
title_short	Self-guided psychological treatment for depressive symptoms: a meta-analysis.
title_full	Self-guided psychological treatment for depressive symptoms: a meta-analysis.
title_fullStr	Self-guided psychological treatment for depressive symptoms: a meta-analysis.
title_full_unstemmed	Self-guided psychological treatment for depressive symptoms: a meta-analysis.
title_sort	self-guided psychological treatment for depressive symptoms: a meta-analysis.
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/bd94ea61d23244ce952b48bebdb5f85c
work_keys_str_mv	AT pimcuijpers selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis AT taradonker selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis AT robertjohansson selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis AT davidcmohr selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis AT annemiekevanstraten selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis AT gerhardandersson selfguidedpsychologicaltreatmentfordepressivesymptomsametaanalysis
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Self-guided psychological treatment for depressive symptoms: a meta-analysis.

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