Confirmatory factor analysis of DSM-IV borderline, schizotypal, avoidant and obsessive-compulsive personality disorders: findings from the Collaborative Longitudinal Personality Disorders Study.
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OBJECTIVE: To test the diagnostic constructs implied by DSM-IV Axis-II personality disorders by examining relationships between different combinations of DSM-IV criteria. METHOD: Confirmatory factor analysis was used to test the borderline, schizotypal, avoidant and obsessive-compulsive personality disorder constructs in a large treatment-seeking sample (N= 668) from a multisite study. A model based on the three DSM-IV Axis II clusters was also tested. Both models were tested against a unitary 'generic' model constructed from four criteria sets combined. RESULTS: Goodness-of-fit for both the three-cluster and four disorder models was significantly better than the unidimensional model, and the four-disorder model was significantly better than the three-cluster model. Results were replicated using data from 2-year follow-up obtained by interviewers blind to original Axis II diagnoses at baseline. CONCLUSION: Support is provided for the DSM-IV disorder-level classification for schizotypal, borderline, avoidant and obsessive-compulsive personality disorders in a treatment-seeking sample.
Sanislow, C. A., Morey, L. C., Grilo, C. M., Gunderson, J. G., Shea, M. T., Skodol, A. E., ... McGlashan, T. H.
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Sanislow, Charles A||Morey, Leslie C||Grilo, Carlos M||Gunderson, John G||Shea, M Tracie||Skodol, Andrew E||Stout, Robert L||Zanarini, Mary C||McGlashan, Thomas H
