Journal
BJPSYCH OPEN
Volume 8, Issue 6, Pages -Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1192/bjo.2022.594
Keywords
Suicide; alcohol disorders; epidemiology; self-harm; depressive disorders
Categories
Funding
- National Institute for Health Research (NIHR) School for Public Health Research [PD-SPH-2015]
- NIHR Biomedical Research Centre at University College London Hospitals
- NIHR Applied Research Collaboration North Thames
- NIHR Biomedical Research Centre at University Hospitals Bristol and Weston NHS Foundation Trust
- University of Bristol
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This study investigated the association between specific domains of alcohol use and suicide-related outcomes. The findings suggest a linear association between total alcohol use score and suicide attempt, suicidal thoughts, and non-suicidal self-harm. Specific domains such as dependence symptoms, harmful effects of drinking, and binge drinking were associated with increased odds of all three outcomes.
Background Alcohol use is a risk factor for suicidal behaviour, yet the nature of the relationship is unclear. Most research on the topic is conducted in clinical populations, with few studies exploring this association across the general population. Aims We investigated the association between specific domains of alcohol use and suicide attempt, suicidal thoughts and non-suicidal self-harm in a general population sample. Method A total of 14 949 adults who completed the 2007 or 2014 Adult Psychiatric Morbidity Survey were included. We measured alcohol use with the Alcohol Use Disorders Identification Test (AUDIT). Domains of alcohol use relating to risk categories, weekly consumption, binge drinking, dependence symptoms, harmful effects and concern from others were derived from relevant AUDIT items. Self-reported past year suicide attempt, suicidal thoughts and non-suicidal self-harm were measured with the Clinical Interview Schedule, Revised. Results We found a linear association between total AUDIT score and outcomes. Three of six specific domains of alcohol use (dependence symptoms, harmful effects of drinking and binge drinking) were associated with increased odds of all three outcomes. There was no association of outcomes with the other domains of alcohol use. Conclusions We found evidence of a linear association between total AUDIT score and suicide attempt, suicidal thoughts and non-suicidal self-harm in a representative English general population sample. Our analyses suggest that where alcohol use significantly disrupts day-to-day functioning, this may underpin the relationship between alcohol use and suicide-related outcomes to a greater extent than higher alcohol consumption. Longitudinal research is needed to further understand these relationships.
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