Relaxation training for anxiety: a ten-years systematic review with meta-analysis.

Full Abstract

BACKGROUND:
Relaxation training is a common treatment for anxiety problems. Lacking is a recent quantitative meta-analysis that enhances understanding of the variability and clinical significance of anxiety reduction outcomes after relaxation treatment.

METHODS:
All studies (1997-2007), both RCT, observational and without control group, evaluating the efficacy of relaxation training (Jacobson's progressive relaxation, autogenic training, applied relaxation and meditation) for anxiety problems and disorders were identified by comprehensive electronic searches with Pubmed, Psychinfo and Cochrane Registers, by checking references of relevant studies and of other reviews. Our primary outcome was anxiety measured with psychometric questionnaires. Meta-analysis was undertaken synthesizing the data from all trials, distinguishing within and between effect sizes.

RESULTS:
27 studies qualified for the inclusion in the meta-analysis. As hypothesized, relaxation training showed a medium-large effect size in the treatment of anxiety. Cohen's d was .57 (95%

CI:
.52 to .68) in the within analysis and .51 (95%

CI:
.46 to .634) in the between group analysis. Efficacy was higher for meditation, among volunteers and for longer treatments. Implications and limitations are discussed.

CONCLUSION:
The results show consistent and significant efficacy of relaxation training in reducing anxiety. This meta-analysis extends the existing literature through facilitation of a better understanding of the variability and clinical significance of anxiety improvement subsequent to relaxation training.

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Author information

Author/s: Manzoni, Gian Mauro (GM); Pagnini, Francesco (F); Castelnuovo, Gianluca (G); Molinari, Enrico (E);

Affiliation: Istituto Auxologico Italiano IRCCS, Psychology Research Laboratory, San Giuseppe Hospital, Verbania, Italy. gm.manzoni(-atsign-)auxologico.it

Journal and publication information

Publication Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't

Journal: BMC psychiatry (BMC Psychiatry), published in England. (Language: eng)

Reference: 2008-; vol 8 (issue ) : pp 41

Dates: Created 2008/06/13; Completed 2008/08/06;

PMID: 18518981, status: MEDLINE (last retrieval date: 11/6/2008)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Anxiety - therapy
Clinical Trials as Topic
Humans
Meditation

Meditation
Patient Selection
Relaxation Techniques - classification
Research Design

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