Author(s): Glenn CR, Weinberg A, Klonsky ED
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Abstract BACKGROUND: Borderline personality disorder (BPD) is a debilitating mental illness that affects approximately 6\% of the general population and 10-20\% of psychiatric patients. The Borderline Symptom List (BSL) is a self-report questionnaire designed to comprehensively assess BPD symptomatology. SAMPLING AND METHODS: The present study examined the convergence of the BSL with DSM-IV BPD assessed by semi-structured interview. To ensure variability in BPD symptoms, participants were recruited from a large college sample if they generated either high or low scores on a BPD symptom screening questionnaire. The final sample included 59 participants who completed the BSL, the BPD questions from the Structured Interview for DSM-IV Personality (SIDP-IV), and self-report measures of depression and anxiety. RESULTS: Ten participants (17\%) met the full BPD criteria and 29 (49\%) met 2 or more criteria. Results indicate strong convergence between the BSL and BPD assessed by semi-structured interview, even when controlling for measures of depression and anxiety. The shortened version of the BSL, the BSL-23, also correlated robustly with BPD assessed by semi-structured interview. CONCLUSIONS: Findings support the validity of the BSL (and BSL-23) as a self-report measure of BPD symptomatology. Future research should replicate results in other samples, including those drawn from psychiatric populations. Copyright 2009 S. Karger AG, Basel.
This article was published in Psychopathology
and referenced in Journal of Child and Adolescent Behavior