Prevalence and correlates of the proposed DSM-5 diagnosis of chronic depressive disorder

Murphy, Jenifer A. and Byrne, Gerard J. (2012) Prevalence and correlates of the proposed DSM-5 diagnosis of chronic depressive disorder. Journal of Affective Disorders, 139 2: 172-180. doi:10.1016/j.jad.2012.01.033

Author Murphy, Jenifer A.
Byrne, Gerard J.
Title Prevalence and correlates of the proposed DSM-5 diagnosis of chronic depressive disorder
Journal name Journal of Affective Disorders   Check publisher's open access policy
ISSN 0165-0327
Publication date 2012-07
Sub-type Article (original research)
DOI 10.1016/j.jad.2012.01.033
Volume 139
Issue 2
Start page 172
End page 180
Total pages 9
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2013
Language eng
Formatted abstract
Context: The draft proposal to add Chronic Depressive Disorder to DSM-5 will combine DSM-IV Dysthymic Disorder and Major Depressive Disorder, with chronic specifier, into a single diagnosis.
Objective: The objective of this study is to estimate the prevalence and correlates of the proposed DSM-5 diagnosis of Chronic Depressive Disorder using unit record data from the 2007 Australian National Survey of Mental Health and Wellbeing.
Design: Secondary analysis of a nationally representative household survey.
Setting: Urban and rural census tracts.
Participants: One individual between the ages of 16 and 85 years from 8841 households was interviewed for the survey.
Main outcome measure: Lifetime prevalence estimates for chronic and non-chronic depression were determined using data from the World Health Organization's Composite International Diagnostic Interview, version 3.0 (WMH-CIDI 3.0).
Results: Chronic depression of at least two years' duration had a lifetime prevalence of 4.6% (95% CI: 3.9–5.3%) and was found in 29.4% (95% CI: 25.6–33.3%) of individuals with a lifetime depressive disorder. Higher rates of psychiatric co-morbidity (OR = 1.42; 95% CI = 1.26–1.61), older age (OR = 1.04; 95% CI = 1.02–1.05), a younger age of onset (OR = 0.97; 95% CI = 0.95–0.98) and more frequent episodes of depression (OR = 1.75; 95% CI = 1.07–2.86) were found to be significant correlates of chronic depression. The first episode of depression for individuals with chronic depression often developed after the death of someone close (OR = 2.38; 95% CI 1.16–5.79).
Conclusions: Chronic depression is highly prevalent among community-residing persons and has a set of correlates that discriminate it from non-chronic depression. The distinction between chronic and non-chronic depression proposed for DSM-5, in the form of Chronic Depressive Disorder, seems to be warranted.
Keyword Depression
Chronic depression
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Medicine Publications
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Created: Thu, 14 Jun 2012, 15:39:42 EST by Sheila Cleary on behalf of Psychiatry - Royal Brisbane and Women's Hospital