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The prevalence, age distribution and comorbidity of personality disorders in Australian women

Quirk, Shae E., Berk, Michael, Pasco, Julie A., Brennan-Olsen, Sharon L., Chanen, Andrew M., Koivumaa-Honkanen, Heli, Burke, Lisa M., Jackson, Henry J., Hulbert, Carol, Olsson, Craig A., Moran, Paul, Stuart, Amanda L. and Williams, Lana J. 2016, The prevalence, age distribution and comorbidity of personality disorders in Australian women, Australia and New Zealand journal of psychiatry, In press, pp. 1-101, doi: 10.1177/0004867416649032.

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Title The prevalence, age distribution and comorbidity of personality disorders in Australian women
Author(s) Quirk, Shae E.
Berk, Michael
Pasco, Julie A.
Brennan-Olsen, Sharon L.
Chanen, Andrew M.
Koivumaa-Honkanen, Heli
Burke, Lisa M.
Jackson, Henry J.
Hulbert, Carol
Olsson, Craig A.
Moran, Paul
Stuart, Amanda L.
Williams, Lana J.
Journal name Australia and New Zealand journal of psychiatry
Season In press
Start page 1
End page 101
Total pages 10
Publisher Sage Publications
Place of publication Melbourne, Vic.
Publication date 2016-05-30
ISSN 1440-1614
Keyword(s) Personality disorder
comorbidity
epidemiology
prevalence
psychiatry
Summary OBJECTIVE: We aimed to describe the prevalence and age distribution of personality disorders and their comorbidity with other psychiatric disorders in an age-stratified sample of Australian women aged ⩾25 years. METHODS: Individual personality disorders (paranoid, schizoid, schizotypal, histrionic, narcissistic, borderline, antisocial, avoidant, dependent, obsessive-compulsive), lifetime mood, anxiety, eating and substance misuse disorders were diagnosed utilising validated semi-structured clinical interviews (Structured Clinical Interview for DSM-IV-TR Axis I Disorders, Research Version, Non-patient Edition and Structured Clinical Interview for DSM-IV Axis II Personality Disorders). The prevalence of personality disorders and Clusters were determined from the study population (n = 768), and standardised to the Australian population using the 2011 Australian Bureau of Statistics census data. Prevalence by age and the association with mood, anxiety, eating and substance misuse disorders was also examined. RESULTS: The overall prevalence of personality disorders in women was 21.8% (95% confidence interval [CI]: 18.7, 24.9). Cluster C personality disorders (17.5%, 95% CI: 16.0, 18.9) were more common than Cluster A (5.3%, 95% CI: 3.5, 7.0) and Cluster B personality disorders (3.2%, 95% CI: 1.8, 4.6). Of the individual personality disorders, obsessive-compulsive (10.3%, 95% CI: 8.0, 12.6), avoidant (9.3%, 95% CI: 7.1, 11.5), paranoid (3.9%, 95% CI: 3.1, 4.7) and borderline (2.7%, 95% CI: 1.4, 4.0) were among the most prevalent. The prevalence of other personality disorders was low (⩽1.7%). Being younger (25-34 years) was predictive of having any personality disorder (odds ratio: 2.36, 95% CI: 1.18, 4.74), as was being middle-aged (odds ratio: 2.41, 95% CI: 1.23, 4.72). Among the strongest predictors of having any personality disorder was having a lifetime history of psychiatric disorders (odds ratio: 4.29, 95% CI: 2.90, 6.33). Mood and anxiety disorders were the most common comorbid lifetime psychiatric disorders. CONCLUSIONS: Approximately one in five women was identified with a personality disorder, emphasising that personality disorders are relatively common in the population. A more thorough understanding of the distribution of personality disorders and psychiatric comorbidity in the general population is crucial to assist allocation of health care resources to individuals living with these disorders.
Language eng
DOI 10.1177/0004867416649032
Field of Research 110999 Neurosciences not elsewhere classified
11 Medical And Health Sciences
17 Psychology And Cognitive Sciences
Socio Economic Objective 920507 Women's Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Sage
Free to Read? No
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083983

Document type: Journal Article
Collection: School of Medicine
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