Ten-year stability and latent structure of the DSM-IV schizotypal, borderline, avoidant, and obsessive-compulsive personality disorders

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Journal of Abnormal Psychology, Vol: 118, Issue: 3, Page: 507-519

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Sanislow, Charles A.; Little, Todd D.; Grilo, Carlos M.; Daversa, Maria; Markowitz, John C.; Pinto, Anthony; Shea, M. Tracie; Yen, Shirley; Skodol, Andrew E.; Morey, Leslie C.; Gunderson, John G.; Zanarini, Mary C.; McGlashan, Thomas H. Show More Hide
CLPS; Collaborative Longitudinal Personality Study; Stability; Latent Structure; factor analysis; DSM; DSM-IV; Axis I; Axis II; Personality Disorders; Borderline; Schizotypal; Avoidant; Obsessive-Compulsive; Behavioral Disciplines and Activities; Behavior and Behavior Mechanisms; Clinical Epidemiology; Clinical Psychology; Mental Disorders; Personality and Social Contexts; Psychiatry; Psychiatry and Psychology; Psychological Phenomena and Processes; Psychology; Quantitative Psychology
article description
Evaluation of the validity of personality disorder (PD) diagnostic constructs is important for the impending revision of the Diagnostic and Statistical Manual of Mental Disorders. Prior factor analytic studies have tested these constructs in cross-sectional studies, and models have been replicated longitudinally, but no study has tested a constrained longitudinal model. The authors examined 4 PDs in the Collaborative Longitudinal Personality Disorders study (schizotypal, borderline, avoidant, and obsessive-compulsive) over 7 time points (baseline, 6 months, 1 year, 2 years, 4 years, 6 years, and 10 years). Data for 2-, 4-, 6- and 10-year assessments were obtained in semistructured interviews by raters blind to prior PD diagnoses at each assessment. The latent structure of the 4 constructs was differentiated during the initial time points but became less differentiated over time as the mean levels of the constructs dropped and stability increased. Obsessive-compulsive PD became more correlated with schizotypal and borderline PD than with avoidant PD. The higher correlation among the constructs in later years may reflect greater shared base of pathology for chronic personality disorders.