Table 2: Principal cause of death for all deaths associated with trauma.

Cause of death% Mental health comorbiditySubstance abuseMental health and/or substance abuse

Intentional self-harm (includes drowning, jumping from high place, lying in front of moving object, inhalation of vapours (carbon monoxide), hanging/strangulation/suffocation, overdose, and gunshot)31%1540%33%73%
Accidental injury (includes drowning, firearm discharge, poisoning by alcohol or other drugs, and unspecified/unknown)31%1533%40%73%
Transport accidents (includes driver, passenger, pedestrian, and other vehicular incidents)29%1429%7%36%
Homicide8%40%50%50%