Table 2.

Timeline of Traumatic Brain Injuries for Index Patient

TBI #	Age	Mechanism of Iinjury	Severity of injury	Reporting source
1	Mid 20s	Head-on MVA without seatbelt restraints	LOC at least 1 min	Self-report at ACT study entry
2	Early 80s	MVA resulting in deployed airbags; destroyed both vehicles	LOC several minutes	Self-report, medical records, other report (adult child who completed postmortem interview)
3	Late 80s	Fall	Unknown
4		Fall	Unknown
5		Fall	Unknown, required hospitalization
6		Fall	Head CT revealed subdural hemorrhage and midline shift

TBI, traumatic brain injury; MVA, motor vehicle accident; LOC, loss of consciousness; ACT, Adult Changes in Thought study; CT, computed tomography.