Table 1.

Incidence Rate per 1,000 Person-Years of First Traumatic Brain Injury, Mental Disorder Before First Traumatic Brain Injury, and Suicide in the Cohort, Quebec, Canada, 1987–2008

Variable	Incidence Rate per 1,000 Person-Years
First TBI
All subjects	5.10
Childrena	7.08
Adolescentsb	5.80
Adults	4.08
Diagnosed mental disorders before first TBI	22.80
Suicide
Survivors of TBI	0.30
All subjects	0.17

Abbreviation: TBI, traumatic brain injury.

^a Subjects who were 0–11 years of age.

^b Subjects who were 12–17 years of age.