Predictive validity and gender differences in a biopsychosocial model of violence risk assessment in acute psychiatry.

Bjørn Magne S Eriksen, Ann Færden, Øyvind Lockertsen, Stål Bjørkly, John Olav Roaldset

Journal: Psychiatry research 2018;264():270-280

PMID: 29655971

Full Text on Elsevier Science View on PubMed

Abstract

Current violence risk assessment methods seem to have reached an upper limit of accuracy. More comprehensive biopsychosocial models may improve on existing methods. Research on gender differences concerning risk factors of violence is scarce and inconclusive. In this prospective study from an acute psychiatric ward, all patients admitted from March 2012 to March 2013 were included. Predictive validity and potential gender differences in a biopsychosocial model of violence risk assessment consisting of a psychosocial checklist (Violence risk screening-10, V-RISK-10), a patient's self-report risk scale (SRS), total cholesterol (TC) and high-density lipoprotein cholesterol (HDL) were examined in an inpatient (N = 348) and a 3-months follow-up (N = 101) sample. Overall increases in explained variances and predictive values were small and non-significant compared to V-RISK-10 alone. In the inpatient sample, HDL contributed significantly to the model for men but not for women. In the follow-up sample, SRS contributed significantly for the whole sample. Results indicated that the biopsychosocial model we tested partially improved accuracy of violence risk assessments in acute psychiatry and that gender differences may exist.

Address: Oslo University Hospital, Division of Mental Health and Addiction, Acute Psychiatric Department, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway. Electronic address: [email protected].; Oslo University Hospital, Division of Mental Health and Addiction, Acute Psychiatric Department, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway.; Oslo University Hospital, Division of Mental Health and Addiction, Acute Psychiatric Department, P.O. Box 4956 Nydalen, N-0424 Oslo, Norway; Faculty of Health Sciences, Department of Nursing and Health Promotion, Oslo and Akershus University College of Applied Sciences, Oslo, Norway.; Molde University College, Molde, Norway; Oslo University Hospital, Centre for Research and Education in Forensic Psychiatry, Oslo, Norway.; Oslo University Hospital, Centre for Research and Education in Forensic Psychiatry, Oslo, Norway; Ålesund Hospital, Møre & Romsdal Health Trust, Psychiatric Department, Ålesund, Norway; The Norwegian University of Science and Technology, NTNU, Trondheim, Norway.

DOI: 10.1016/j.psychres.2018.04.021

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MeSH Terms: Acute Disease, Adolescent, Adult, Aged, Aged, 80 and over, Female, Humans, Male, Mental Disorders, Middle Aged, Models, Psychological, Predictive Value of Tests, Prospective Studies, Psychiatric Department, Hospital, Reproducibility of Results, Risk Assessment, Risk Factors, Sex Characteristics, Violence, Young Adult