Latent class analysis of co-morbidity in the Adult Psychiatric Morbidity Survey in England 2007 : implications for DSM-5 and ICD-11
Weich, Scott, McBride, O., Hussey, D., Exeter, D., Brugha, T. S. (Traolach S.) and McManus, Sally. (2011) Latent class analysis of co-morbidity in the Adult Psychiatric Morbidity Survey in England 2007 : implications for DSM-5 and ICD-11. Psychological Medicine, Vol.41 (No.10). pp. 2201-2212. ISSN 0033-2917
WRAP_Weich_S0033291711000249a.pdf - Published Version - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
Official URL: http://dx.doi.org/10.1017/S0033291711000249
Background. Psychiatric co-morbidity is complex and ubiquitous. Our aim was to describe the extent, nature and patterning of psychiatric co-morbidity within a representative sample of the adult population of England, using latent class analysis.
Method. Data were used from the 2007 Adult Psychiatric Morbidity Survey, a two-phase national household survey undertaken in 2007 comprising 7325 participants aged 16 years and older living in private households in England. The presence of 15 common mental health and behavioural problems was ascertained using standardized clinical and validated self-report measures, including three anxiety disorders, depressive episode, mixed anxiety depressive disorder, psychosis, antisocial and borderline personality disorders, eating disorders, post-traumatic stress disorder, attention deficit disorder, alcohol and drug dependencies, problem gambling and attempted suicide.
Results. A four-class model provided the most parsimonious and informative explanation of the data. Most participants (81.6%) were assigned to a non-symptomatic or 'Unaffected' class. The remainder were classified into three qualitatively different symptomatic classes : 'Co-thymia' (12.4%), 'Highly Co-morbid' (5.0%) and 'Addictions' (1.0%). Classes differed in mean numbers of conditions and impairments in social functioning, and these dimensions were correlated.
Conclusions. Our findings confirm that mental disorders typically co-occur and are concentrated in a relatively small number of individuals. Conditions associated with the highest levels of disability, mortality and cost - psychosis, suicidality and personality disorders - are often co-morbid with more common conditions. This needs to be recognized when planning services and when considering aetiology.
|Item Type:||Journal Article|
|Subjects:||R Medicine > R Medicine (General)|
|Divisions:||Faculty of Medicine > Warwick Medical School > Health Sciences
Faculty of Medicine > Warwick Medical School
|Library of Congress Subject Headings (LCSH):||Comorbidity -- Great Britain, Mental health -- Great Britain|
|Journal or Publication Title:||Psychological Medicine|
|Publisher:||Cambridge University Press|
|Number of Pages:||12|
|Page Range:||pp. 2201-2212|
|Access rights to Published version:||Restricted or Subscription Access|
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