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Accuracy of the static-99 in predicting recidivism in Switzerland


Endrass, J; Urbaniok, F; Held, L; Vetter, S; Rossegger, A (2009). Accuracy of the static-99 in predicting recidivism in Switzerland. International Journal of Offender Therapy and Comparative Criminology, 53(4):482-490.

Abstract

The Static-99 is a widely used actuarial risk assessment instrument. Various international validation studies have found satisfactory to good predictive validity for the Static-99, with the area under the curve (AUC) between 59% and 95%. This study is the first evaluation of the predictive accuracy of the Static-99 among sex offenders in Switzerland. The Static-99 scores of 69 violent/sex offenders in Switzerland were assessed using data from their psychiatric assessments. Recidivism was operationalized as reconviction assessed from penal records. The Static-99 risk levels were predictive for recidivism (AUC = .758) among our population. The results are discussed on the basis of the literature.

Abstract

The Static-99 is a widely used actuarial risk assessment instrument. Various international validation studies have found satisfactory to good predictive validity for the Static-99, with the area under the curve (AUC) between 59% and 95%. This study is the first evaluation of the predictive accuracy of the Static-99 among sex offenders in Switzerland. The Static-99 scores of 69 violent/sex offenders in Switzerland were assessed using data from their psychiatric assessments. Recidivism was operationalized as reconviction assessed from penal records. The Static-99 risk levels were predictive for recidivism (AUC = .758) among our population. The results are discussed on the basis of the literature.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Epidemiology, Biostatistics and Prevention Institute (EBPI)
04 Faculty of Medicine > Psychiatric University Hospital Zurich > Clinic for Clinical and Social Psychiatry Zurich West (former)
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:11 August 2009
Deposited On:03 Jan 2009 12:45
Last Modified:06 Dec 2017 15:38
Publisher:Sage Publications
ISSN:0306-624X
Publisher DOI:https://doi.org/10.1177/0306624X07312952
PubMed ID:18268078

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