Acute alcohol use in Australian coronial suicide cases, 2010-2015

Area of Science:

• Public Health
• Epidemiology
• Toxicology

Background:

• Acute alcohol consumption is a significant risk factor for suicide globally.
• Limited research exists on alcohol's role in Australian suicides.
• This study investigates demographic and environmental factors differentiating alcohol-related suicides from others in Australia.

Purpose of the Study:

• To compare individual and environmental risk factors between suicides with and without acute alcohol consumption in Australia.
• To identify specific characteristics associated with alcohol-related suicides.
• To inform targeted suicide prevention strategies.

Main Methods:

• Utilized data from the National Coronial Information System (NCIS) for Australian suicide deaths (aged 15+).
• Extracted blood alcohol concentrations (BAC) and demographic information from coronial reports.
• Assumed alcohol consumption if BAC ≥ 0.05 g/100 mL; compared characteristics using logistic regression.

Main Results:

• 26.7% of suicides involved a BAC ≥ 0.05 g/100 mL.
• Alcohol use was associated with male gender, ages 35-44, and hanging as the method.
• Alcohol-related suicides peaked in December, while non-alcohol suicides peaked in September.

Conclusions:

• Significant differences exist in sex, age, method, seasonality, and location between alcohol-related and non-alcohol-related suicides in Australia.
• Alcohol-related suicides present unique demographic and temporal patterns.
• Prioritizing interventions for alcohol-related suicides is crucial for comprehensive suicide prevention.