Alcohol and drowning in Australia.

Area of Science:

• Public Health
• Toxicology
• Forensic Science

Background:

• Alcohol consumption is a recognized risk factor for drowning incidents.
• Previous estimates of alcohol's contribution to drowning deaths in Australia were based on North American data from the 1980s.
• Accurate, current data is needed to inform public health interventions.

Purpose of the Study:

• To determine the actual contribution of alcohol to drowning fatalities in Australia.
• To compare current findings with previously used attributable fractions for alcohol and drowning.

Main Methods:

• Analysis of drowning deaths in Australia (excluding Queensland) from July 2000 to June 2001 using the National Coroners Information System (NCIS).
• Focus on 'Closed' cases with completed Coronial processes by March 2003.
• Comparison with Australian Bureau of Statistics (ABS) data and existing alcohol-attributable fractions.

Main Results:

• Alcohol contributed to approximately 19% of identified drowning deaths.
• Specific contributions: 25% in recreational aquatic activities, 16% in incidental falls into water, and 12% in suicides.
• Estimated unintentional drowning attributed to alcohol was 17% (using a 0.10 g/100 ml blood alcohol concentration cut-off), significantly lower than the 34% previously used.

Conclusions:

• High blood alcohol levels are less frequent in recent Australian drowning deaths than previously assumed.
• Continued public health efforts are necessary to mitigate alcohol use around water activities.
• The NCIS provides a valuable resource for monitoring alcohol-related drowning deaths in Australia.