Suicide and suicidal behaviour in alcohol use disorders

First published: 10/05/2019 | Last updated: May 20th, 2019

Suicidal behaviour and alcohol use disorders have a complex interaction, with many aetiological and phenomenological similarities. Each definition covers a spectrum of behaviours, with a broad phenotype, and complex biological, psychological, social, and cultural aetiological factors. People who misuse alcohol or who engage in suicidal acts are often treated with hostility by those around them (including those who work in health services), perpetuating the isolation and stigma that they often feel. At the same time their stories provide seemly endless opportunities for comment and analysis in the media, arts and literature.

People with alcohol use disorders are at a significantly higher risk of suicide (Wilcox et.al.,2004), and yet, in the UK at present, as suicide rates continue to fall (and are at their lowest in England since records began), there is an inverse correlation with mortality from alcohol related causes which is rising steeply.  Patients who engage in non-fatal suicidal behaviour are at sixty-times increased risk of death by suicide than the general population (Owens, et.al., 2002), but a recent 7-year follow-up study found that the mortality from alcohol related causes accounted for as many deaths at follow-up as suicide (Sinclair et.al., 2010).

One hypothesis is that the gradual reduction in suicide nationally has less to do with the implementation of successful suicide prevention strategies, but the impact of increased alcohol consumption at the population level, and the impact that this might have on pathways to suicide.

(1) Wilcox HC, Conner KR, Caine ED. Association of alcohol and drug use disorders and completed suicide: an empirical review of cohort studies. Drug Alcohol Depend 2004:S11-S19.

(2) Owens D, Horrocks J, House A. Fatal and non-fatal repetition of self-harm. Br J Psychiatry 2002; 181:193-9.

(3) Sinclair JM, Hawton K, Gray A. Six year follow-up of a clinical sample of self-harm patients. Journal of Affective Disorders 2010; 21:247-52.

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Professor Julia Sinclair


 

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