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Evaluation of DSM-IV personality disorder criteria as assessed by the structured clinical interview for DSM-IV personality disorders.

The primary objective of this research was to investigate the psychometric and diagnostic efficiency properties of DSM-IV personality disorder (PD) criteria as assessed by the Structured Clinical Interview for DSM-IV Personality Disorders (SCID-II). Logistic regression analyses were also employed to identify discriminating and nondiscriminating diagnostic criteria within specific PD categories. Results based on a community sample of 149 psychotropic medication-free persons, 58% of whom had at least one PD as determined from the SCID-II, suggest problems with the assessment and/or conceptualization of some PD categories, most notably obsessive-compulsive PD. For many PD concepts, diagnostic criteria were identified that either detracted from the overall internal consistency and diagnostic efficiency of their associated PD criteria set or failed to uniquely discriminate individuals with specific PDs from those without. Most of these findings cannot be clearly attributed to limitations associated with the method used to assess PD criteria.