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Risk classes of patients diagnosed with substance use disorders in Dutch forensic psychiatric centers

Michele Schmitter (Department of Developmental Psychology, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands)
Jeroen Vermunt (Department Methodology and Statistics, Tilburg University, Tilburg, The Netherlands)
Eric Blaauw (Hanze University of Applied Sciences, Groningen, The Netherlands and Verslavingszorg Noord Nederland, Groningen, The Netherlands)
Stefan Bogaerts (Department of Developmental Psychology, Tilburg University Tilburg School of Social and Behavioral Sciences, Tilburg, The Netherlands and Fivoor Research and Treatment Innovation, Fivoor, The Netherlands)

The Journal of Forensic Practice

ISSN: 2050-8794

Article publication date: 2 February 2021

Issue publication date: 25 February 2021

312

Abstract

Purpose

Given the complex association between substance use disorders (SUD), comorbid mental health problems and criminal recidivism in forensic patients, homogenous patient classes can contribute to a refined treatment. This paper aims to construct those classes in forensic patients (N = 286) diagnosed with SUD, unconditionally released between 2004 and 2013 of one of ten Dutch forensic psychiatric centers.

Design/methodology/approach

Retrospective data were derived from electronic patient files. Classes were based on the Dutch risk assessment tool, the Historisch Klinisch Toekomst-Revisie (Historical Clinical Future–Revised [HKT-R]) and identified by means of explorative Latent Class Analysis in Latent Gold version 5.1. In a three-step approach, posterior class memberships were related to external variables (i.e. diagnoses, type of drug and type of offence).

Findings

Four classes were identified that differ in the risk of recidivism, as well as Axis I and II diagnoses and type of drug consumption.

Practical implications

This study informed on the heterogeneity of forensic patients with SUD and identified four homogenous classes that differ in important variables for the treatment approach. Based on these classes, a more refined treatment approach can be developed. Possible treatment approaches are discussed, but future research is needed to provide evidence.

Originality/value

This study is the first to identify classes within forensic patients with SUD and, therefore, sets the first step to develop a tailored treatment approach based on characteristics informative for treatment.

Keywords

Acknowledgements

The authors thank Kwaliteit Forensische Zorg (KFZ) for the financial support.Data availability: Data were gathered retrospectively from EPF, used in clinical practice. To assure the privacy of patients, the data are unavailable.Funding: Part of the research was funded by Kwaliteit Forensische Zorg (KFZ), which is an organization funded by the Ministry of Justice and Security. KFZ stimulates clinical research in the forensic field.Conflict of interest: The authors declare that there is no conflict of interest regarding the publication of this article.

Citation

Schmitter, M., Vermunt, J., Blaauw, E. and Bogaerts, S. (2021), "Risk classes of patients diagnosed with substance use disorders in Dutch forensic psychiatric centers", The Journal of Forensic Practice, Vol. 23 No. 1, pp. 39-52. https://doi.org/10.1108/JFP-08-2020-0036

Publisher

:

Emerald Publishing Limited

Copyright © 2020, Emerald Publishing Limited

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