THE RELATIONSHIP OF IMPAIRMENT TO PERSONALITY DISORDER SEVERITY AMONG INDIVIDUALS WITH SPECIFIC AXIS I DISORDERS : RESULTS FROM THE NATIONAL EPIDEMIOLOGIC SURVEY ON ALCOHOL AND RELATED CONDITIONS

The present study examined one dimensional approach to personality disorders (PDs) in a large (n = 43,093), nationally representative sample of the U.S. population. Respondents were classified in four personality severity categories (no PD, subthreshold PD, simple PD, complex PD). Linear regression...

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Bibliographic Details
Published in:Journal of personality disorders 2008-08, Vol.22 (4), p.405-417
Main Authors: PULAY, Attila J, DAWSON, Deborah A, RUAN, W. June, PICKERING, Roger P, BOJI HUANG, CHOU, S. Patricia, GRANT, Bridget F
Format: Article
Language:English
Subjects:
Adult
Adult and adolescent clinical studies
Alcohol use
Alcohol-Related Disorders - classification
Alcohol-Related Disorders - diagnosis
Alcohol-Related Disorders - epidemiology
Antisocial Personality Disorder - classification
Antisocial Personality Disorder - diagnosis
Antisocial Personality Disorder - epidemiology
Anxiety Disorders
Anxiety Disorders - classification
Anxiety Disorders - diagnosis
Biological and medical sciences
Classification
Clinical medicine
Comorbidity
Disability
Female
Humans
Medical sciences
Mental Disorders
Mentally Ill Persons - statistics & numerical data
Personality
Personality disorders
Personality Problems
Prevalence
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Sample size
Severity of Illness Index
Studies
Substance abuse treatment
Symptoms (Individual Disorders)
United States - epidemiology
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Summary:The present study examined one dimensional approach to personality disorders (PDs) in a large (n = 43,093), nationally representative sample of the U.S. population. Respondents were classified in four personality severity categories (no PD, subthreshold PD, simple PD, complex PD). Linear regression analyses were conducted to examine mental disability by PD severity for major DSM-IV substance use, mood and anxiety disorders. Significant increases in disability were observed between no PD and simple PD and between simple PD and complex PD for each Axis I disorder except drug dependence, but few differences in disability were found between no PD and subthreshold PD. This study found support for the clinical utility of the dimensional classification of PD severity with regard to the distinction between simple and complex PD and for a combined no PD-subthreshold PD level of severity. Future planned analyses will address the clinical utility of the classification prospectively, with a full battery of all Axis II PDs.
ISSN:0885-579X
1943-2763
DOI:10.1521/pedi.2008.22.4.405