P ublic safety personnel in Canada include those working as police, firefighters, paramedics, correctional workers and call centre operators/dispatchers. 1 These people experience substantial mental health problems 2 strongly associated with suicidal behaviour. 3,4 Recent Canadian estimates suggest that 27.8% of public safety personnel report lifetime suicidal ideation, 13.3% report lifetime planning, and 4.6% report a lifetime suicide attempt(s), 5 rates that are higher than representative general population rates of 13.3%, 4.6% and 3.5%, respectively. 6 The Canadian Standing Committee of Public Safety and National Security identified suicide as important to address, along with risk factor research, to inform prevention strategies. 1 Public safety personnel are commonly exposed to potentially traumatic events, 7-9 which are also associated with suicidal behaviour. 10-14 However, elevated suicidal outcomes were seen among nondeployed US soldiers, 15 and precareer suicidality was elevated among US female firefighters. 16 Accordingly, other possible risk factors, such as a history of child abuse, warrant research. A total of 32% and 48% of Canadian general and military populations, respectively, reported experiencing physical abuse, sexual abuse and/or exposure to intimate partner violence before the age of