[Validation of a Spanish version of the Diagnostic Interview for Bordelines-Revised (DIB-R)].

Abstract

INTRODUCTION: Borderline Personality Disorder (BPD) is the most studied Axis II disorders. However, there are no Spanish versions of specific interviews. The Diagnostic Interview for Borderlines-Revised (DIB-R) is a semistructured interview used to determine the diagnosis and severity of BPD patients. The aim of this study was to validate the DIB-R for use in a Spanish-speaking sample. METHOD: The psychometric characteristics of the DIB-R Spanish version were assessed in a sample of 156 patients with the possible diagnosis of borderline personality disorder. There were 29 men and 127 women with a mean age of 27.6 years (SD: 6.5; range: 18-45). The Spanish adaptation of the Structured Clinical Interview for DSM-III-R Personality Disorders (SCID-II) was used as gold standard. RESULTS: The DIB-R showed good total internal consistency (Cronbach's alpha: 0.89) and high inter-rater reliability (within-class correlation: 0.94). Using logistic regression analyses the best cut-off was judged to be 6 or more, obtaining high sensitivity (0.81), specificity (0.94) and moderate convergent validity of the diagnosis with the SCID-II (kappa: 0.59). CONCLUSIONS: The Spanish version of the DIB-R showed psychometric characteristics similar to those in the original interview and may be useful to determine BPD presence and severity.

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