How do static and dynamic risk factors work together to predict violent behaviour among offenders with an intellectual disability?

Lofthouse, Rachael E.; Totsika, Vasiliki; Hastings, Richard P.; Lindsay, William R.; Hogue, Todd; Taylor, John L.

doi:10.1111/j.1365-2788.2012.01645.x

Cited by 25 publications

(17 citation statements)

References 35 publications

(95 reference statements)

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“…A number of H10 subscale items significantly predicted inpatient aggression in the ID group but not in the comparison group; further, these items had some of the larger effect sizes in our study. This finding suggests greater heterogeneity in the ID group for these items as they rarely are strong predictors of inpatient aggression in non-ID samples (O'Shea et al 2013) and may provide some tentative support to the idea that static items exceed the predictive ability of dynamic items in this population (Lofthouse et al 2014), depending on the items in question. Previous violence (H10.1) was an important predictor of inpatient aggression suggesting that there is a subgroup of ID patients in secure care that are non-aggressive both prior to and during admission.…”

Section: Discussionmentioning

confidence: 75%

“…); however, it contrasts with recent research suggesting that static measures have dominance over dynamic measures in predicting violent outcomes among offenders with ID (Lofthouse et al . ).…”

Section: Discussionmentioning

confidence: 97%

“…) and may provide some tentative support to the idea that static items exceed the predictive ability of dynamic items in this population (Lofthouse et al . ), depending on the items in question. Previous violence (H10.1) was an important predictor of inpatient aggression suggesting that there is a subgroup of ID patients in secure care that are non‐aggressive both prior to and during admission.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Predictive validity of the HCR‐20 for inpatient aggression: the effect of intellectual disability on accuracy

O’Shea

Picchioni

McCarthy

et al. 2015

J intellect Disabil Res

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This study demonstrates that, after controlling for a range of potential covariates, the HCR-20 is a significant predictor of inpatient aggression in people with an ID and performs as well as for a comparison group of mentally disordered individuals without ID. The potency of HCR-20 subscales and items varied between the ID and comparison groups suggesting important target areas for improved prediction and risk management interventions in those with ID.

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Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Predictive validity of the HCR‐20 for inpatient aggression: the effect of intellectual disability on accuracy

O’Shea

Picchioni

McCarthy

et al. 2015

J intellect Disabil Res

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“…In recent years there has been an increase in research activity and output relating to risk assessment in ID populations (Boer et al, 2004;Gray et al, 2007;Lindsay, 2011;Lindsay et al, , 2006Lindsay et al, , 2008Lofthouse et al, 2013Lofthouse et al, , 2014McGrath et al, 2007;McMillan et al, 2004, Morrisey et al, 2007Quinsey, 2004;Quinsey et al, 2004;Tengströ m et al, 2006).…”

Section: Introductionmentioning

confidence: 98%

Historical and clinical items of the HCR-20 as predictors of risk within an intellectual disability population

Chaplin

Eyeoyibo

Wright

et al. 2015

Advances in Mental Health and Intellectual Disabilities

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Purpose -The use of violence risk assessment measures within intellectual disabilities (ID) services is now the norm and a growing target for research. The purpose of this paper is to examine the clinical utility of the historical and clinical factors of the HCR-20 in predicting violence. Design/methodology/approach -The study took place within a national low secure service for adults with ID examining all completed admissions over a six-year period, (N ¼ 22). Clinical records covering the first three months of admission were examined along with historical reports and incident data recorded at three, six, nine and 12 months admission using the Modified Overt Aggression Scale (MOAS). Findings -Significant positive relationship between Historical score and total number of incidents was established. Patients with challenging behaviour less likely to have a previous history of violence, and more likely to be older at first violent incident than patients without challenging behaviour. Incidents involving patients with autism were less severe and those with no additional psychiatric diagnosis were significantly more likely to have substance misuse problems than those with a diagnosis. Originality/value -The study found the Historical section was predictive of violent incidents and whilst the study is too small to draw any firm conclusions, the significant positive relationship between the Historical Score and number of incidents for those without additional diagnosis needs to be investigated further as well as the potential positive clinical impact of using the HCR-20 in routine clinical practice.

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“…Lofthous et al . () conducted an interesting analysis where they found that dynamic risk predictors may be act as a proxy for underlying static risk predictors. Lindsay et al .…”

Section: Introductionmentioning

confidence: 99%

Why Do Some People with Intellectual Disability Engage in Offending Behaviour and What Can We Do About It? Editorial

Lindsay

Hastings

Beail

2013

Research Intellect Disabil

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Studies reveal that developmental adversity is an important risk variable. Previous and recent aggression are potent risk factors. New evidence suggests that immediate, proximal risk factors may be more important in this client group. The studies in this issue add to the knowledge on pathways into offending, important areas for assessment and effective treatments as well as advancing knowledge in the academic literature on general criminality.

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How do static and dynamic risk factors work together to predict violent behaviour among offenders with an intellectual disability?

Cited by 25 publications

References 35 publications

Predictive validity of the HCR‐20 for inpatient aggression: the effect of intellectual disability on accuracy

Predictive validity of the HCR‐20 for inpatient aggression: the effect of intellectual disability on accuracy

Historical and clinical items of the HCR-20 as predictors of risk within an intellectual disability population

Why Do Some People with Intellectual Disability Engage in Offending Behaviour and What Can We Do About It? Editorial

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