Re-examining the dual harm profile: an assessment using US prison population-level data

Slade, K. ORCID: 0000-0002-7442-4805, Smith, H.P., Potter, A. ORCID: 0000-0003-4462-212X and Baguley, T. ORCID: 0000-0002-0477-2492, 2022. Re-examining the dual harm profile: an assessment using US prison population-level data. Psychology, Crime and Law. ISSN 1068-316X

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Dual harm behaviour has recently gained scholarly attention. Dual harm centres on a subset of people who display violent and self-harming behaviour. This study re-examines the differential profile characteristics identified in Europe for those who dual harm, using international data featuring a population study of a state prison system in the south-eastern United States. Three years of data produced 43,489 institutional events, from a custodial population of 22,918. Logistic regression analysis indicates that those who dual harm in custody had an overall rate of infraction 40-70% higher than those who engage solely in violence or self-harm, and five times higher than those without physical harm infractions. Dual harm was associated with higher rates of non-harm incidents (e.g., property damage and disorder), younger age, lower educational achievements on admission and less educational development during imprisonment, greater self-reported mental health need although not substance abuse, and fewer intimate relationships. Dual harm was related to more lethal acts of self-harm such as ligature or ingestion. This is the first study that applies the dual harm profile to prison data within the US. This study supports dual harm as a highly relevant construct within international custodial settings and offers policy implications for this population.

Item Type: Journal article
Publication Title: Psychology, Crime and Law
Creators: Slade, K., Smith, H.P., Potter, A. and Baguley, T.
Publisher: Taylor & Francis (Routledge)
Date: 3 October 2022
ISSN: 1068-316X
Rights: This is an Accepted Manuscript of an article published by Taylor & Francis in Psychology, Crime and Law on 3 October 2022, available at:
Divisions: Schools > School of Social Sciences
Record created by: Laura Ward
Date Added: 15 Aug 2022 15:44
Last Modified: 03 Oct 2023 03:00

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