Rates and predictors of the emergence and remission of suicidal thoughts and behaviors after traumatic brain injury: a Traumatic Brain Injury Model Systems National Database study.

However, about 6% of individuals developed new suicidal thoughts across interviews.

Approximately 30-40% reported chronic thoughts.

Risk factors for new suicidal thoughts were pre-injury psychiatric history and post-injury substance use at Y1.

Higher functional status and stronger social relationships at Y1 post-injury were protective against the onset of new suicidal thoughts.