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. 2018 Jan 1:225:273-277.
doi: 10.1016/j.jad.2017.08.030. Epub 2017 Aug 14.

Neurocognitive impairment and suicide risk among prison inmates

Francesco Vadini  1 , Giulio Calella  2 , Alessandro Pieri  3 , Elena Ricci  4 , Mario Fulcheri  5 , Maria Cristina Verrocchio  5 , Alfredo De Risio  6 , Antonina Sciacca  3 , Francesca Santilli  7 , Giustino Parruti  8
Affiliations

Neurocognitive impairment and suicide risk among prison inmates

Francesco Vadini et al. J Affect Disord. .

Abstract

Background: Worldwide, prisoners are at high risk of suicide. Reducing the number of suicides in jails and prisons is an international priority. Several risk factors for suicide attempts, such as historical, prison-related, psychosocial and clinical factors, have been found in prisoners. We assessed whether demographic, conviction-related and neuro-behavioral variables might be associated with current suicide risk and lifetime suicide attempts in two large central Italy prisons.

Methods: On a preliminary sample of 254 detainees within an ongoing project, we assessed whether demographic, conviction-related, psychiatric, cognitive variables and illness comorbidity might be associated with current suicide risk and lifetime suicide attempts in two large central Italy prisons. Psychiatric disorders and suicide risk was evaluated using the Mini International Neuropsychiatric Interview. We also have identified the detainees with clear-cut previous suicide attempts. The cognitive function was assessed with a brief neuropsychological battery including trail making A, trail making B, Digit Span, and Symbol Digit test. Impulsivity was assessed with the Barratt Impulsiveness Scale. Cumulative illness was evaluated with Charlson Comorbidity Index.

Results: Impairment in global cognitive function was the strongest predictor of both high suicide risk and lifetime suicide attempts (both p < 0.001), independently of psychiatric disorders, psychopharmacological treatment, detention status, conviction time, substance use disorder, impulsivity, and illness comorbidity. Limitation LIMITATION: Cross-sectional study design and relatively small sample size.

Conclusion: Cognitive deficits may improve our understanding of the suicidal vulnerability and should be systematically included in the assessment of suicide risk, as potential predictors of suicidal acts and targets of preventive interventions.

Keywords: Cognitive impairment; Prison inmates; Suicide prevention; Suicide risk.

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