Mark Shevlin
ICD-11 ‘Mixed Depressive and Anxiety Disorder’ is Clinical Rather than Sub-Clinical and More Common than Anxiety and Depression in the General Population
Shevlin, Mark; Hyland, Philip; Nolan, Emma; Owczarek, Marcin; Ben-Ezra, Menachem; Karatzias, Thanos
Authors
Philip Hyland
Emma Nolan
Marcin Owczarek
Menachem Ben-Ezra
Prof Thanos Karatzias T.Karatzias@napier.ac.uk
Professor
Abstract
Background: The new International Classification of Diseases was published in 2018 (ICD-11; World Health Organization, 2018) and now includes ‘Mixed depressive and anxiety disorder’ (6A73: MDAD) designated as a mood disorder. This disorder is defined by symptoms of both anxiety and depression occurring more days than not, for a period of two weeks, and neither set of symptoms considered separately reaches a diagnostic threshold for either disorder. However, to date no study has examined the validity of these guidelines in a general population sample.
Methods: Using Goldberg et al.’s (2017) guidelines regarding measurement of depression and anxiety, this study used factor mixture modelling (FMM) to examine the validity of the ICD-11 criteria of MDAD. Symptom endorsement rates are provided as well as demographic predictors and somatisation outcomes.
Results: Fit indices suggested the two-factor four-class solution was the best balance between model complexity and model fit. The results did not support a class that is subsyndromal to both anxiety and depression. On the contrary, we suggest that there exists a “Comorbid” class that represents endorsement of both anxiety and depression symptoms at a higher level when compared to both ‘anxiety’ and ‘depression’ groups. Demographic predictors, as well as somatisation and functional impairment outcomes, provided support for this FMM solution.
Conclusions: The “Comorbid” group was the largest symptomatic group and had the highest levels of both anxiety and depression symptoms. Importantly, this group was larger than either the ‘anxiety’ or ‘depression’ group and was associated with high levels of functional impairment and somatisation.
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 6, 2021 |
Online Publication Date | Jul 17, 2021 |
Publication Date | 2022-03 |
Deposit Date | Jul 8, 2021 |
Publicly Available Date | Jul 18, 2022 |
Print ISSN | 0144-6657 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 61 |
Issue | 1 |
Pages | 18-36 |
DOI | https://doi.org/10.1111/bjc.12321 |
Public URL | http://researchrepository.napier.ac.uk/Output/2785575 |
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ICD-11 ? Mixed Depressive And Anxiety Disorder ?? Is Clinical Rather Than Sub-Clinical And More Common Than Anxiety And Depression In The General Population
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Copyright Statement
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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