Method of self-harm and risk of self-harm repetition: findings from a national self-harm registry

Journal of Affective Disorders
G CullyE Arensman

Abstract

Risk of self-harm repetition has consistently been shown to be higher following self-cutting compared to intentional drug overdose (IDO) and other self-harm methods. The utility of previous evidence is limited due to the large heterogeneous method categories studied. This study examined risk of hospital presented self-harm repetition according to specific characteristics of self-harm methods. Data on consecutive self-harm presentations to hospital emergency departments (2010-2016) were obtained from the National Self-Harm Registry Ireland. Associations between self-harm method and repetition were analysed using survival analyses. Overall, 65,690 self-harm presentations were made involving 46,661 individuals. Self-harm methods associated with increased repetition risk included minor self-cutting, severe self-cutting, multiple drug IDOs involving psychotropic drugs and self-harm by blunt object. Minor self-cutting was the method associated with highest repetition risk (adjusted hazard ratio (AHR) 1.38, 95% CI 1.31-1.45). Risk of repetition was comparable following IDOs of four or more drugs involving psychotropic drugs (AHR = 1.29, 95% CI 1.20-1.39), severe self-cutting (AHR 1.25, 95% CI 1.16-1.34) and blunt object (AHR = 1.23, 9...Continue Reading

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Citations

Jan 29, 2019·Clinical Psychology & Psychotherapy·Emma ČernisMyra Cooper
Mar 29, 2018·Irish Journal of Medical Science·Eve GriffinPaul Corcoran
May 3, 2019·PloS One·Nikita VancayseeleKees van Heeringen
Aug 29, 2020·International Journal of Environmental Research and Public Health·Caroline DalyElla Arensman
Oct 8, 2020·Archives of Suicide Research : Official Journal of the International Academy for Suicide Research·Jessica DaviesSarah Rowe
Feb 25, 2020·American Journal of Preventive Medicine·Ruth N MoroDaniel S Budnitz

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