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Logo of bmcpsycBioMed Centralsearchsubmit a manuscriptregisterthis articleBMC Psychiatry
BMC Psychiatry. 2012; 12: 94.
Published online Jul 30, 2012. doi:  10.1186/1471-244X-12-94
PMCID: PMC3507652
Screening for personality disorder in incarcerated adolescent boys: preliminary validation of an adolescent version of the standardised assessment of personality – abbreviated scale (SAPAS-AV)
Mickey Kongerslev,corresponding author1,2 Paul Moran,3 Sune Bo,2 and Erik Simonsen2
1Department of Child and Adolescent Psychiatry, Region Zealand, Roskilde, Denmark
2Psychiatric Research Unit, Region Zealand, Toftebakken 9, 4000, Roskilde, Denmark
3King’s College London, Health Services & Population Research Department, Institute of Psychiatry, London, United Kingdom
corresponding authorCorresponding author.
Mickey Kongerslev: mkon/at/; Paul Moran: paul.moran/at/; Sune Bo: subh/at/; Erik Simonsen: es/at/
Received March 19, 2012; Accepted July 24, 2012.
Personality disorder (PD) is associated with significant functional impairment and an elevated risk of violent and suicidal behaviour. The prevalence of PD in populations of young offenders is likely to be high. However, because the assessment of PD is time-consuming, it is not routinely assessed in this population. A brief screen for the identification of young people who might warrant further detailed assessment of PD could be particularly valuable for clinicians and researchers working in juvenile justice settings.
We adapted a rapid screen for the identification of PD in adults (Standardised Assessment of Personality – Abbreviated Scale; SAPAS) for use with adolescents and then carried out a study of the reliability and validity of the adapted instrument in a sample of 80 adolescent boys in secure institutions. Participants were administered the screen and shortly after an established diagnostic interview for DSM-IV PDs. Nine days later the screen was readministered.
A score of 3 or more on the screening interview correctly identified the presence of DSM-IV PD in 86% of participants, yielding a sensitivity and specificity of 0.87 and 0.86 respectively. Internal consistency was modest but comparable to the original instrument. 9-days test-retest reliability for the total score was excellent. Convergent validity correlations with the total number of PD criteria were large.
This study provides preliminary evidence of the validity, reliability, and usefulness of the screen in secure institutions for adolescent male offenders. It can be used in juvenile offender institutions with limited resources, as a brief, acceptable, staff-administered routine screen to identify individuals in need of further assessment of PD or by researchers conducting epidemiological surveys.
Keywords: Personality disorder, Personality assessment, Screening, Psychiatric epidemiology, Adolescence, Aggression, Juvenile offenders
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