Table 1.
Sample Demographics and Injury Characteristics
| Full sample N = 2697 | Final sample1 N = 1544 | |
|---|---|---|
| Demographics | ||
| Age, years M (SD)1 | 39.5 (18.7) | 40.61 (17.14) |
| Sex (male) | 1859 (68.9%) | 1056 (68.4%) |
| Race | ||
| White | 2056 (77.4%) | 1185 (77.1%) |
| Black | 429 (16.1%) | 252 (16.4%) |
| Other/unknown | 170 (6.5%) | 100 (6.5%) |
| Ethnicity (Hispanic or Latino) | 555 (20.8%) | 277 (18.0%) |
| Education, years M (SD) | 12.9 (3.5) | 13.6 (2.8) |
| Psychiatric history | 575 (21.3%) | 357 (23.1%) |
| Injury characteristics | ||
| Cause of injury | ||
| Motor vehicle/traffic crash | 1488 (55.5%) | 895 (58.2%) |
| Fall | 762 (28.4%) | 404 (26.3%) |
| Assault/violence | 170 (6.3%) | 91 (5.9%) |
| Other/unknown | 291 (10.8%) | 149 (9.7%) |
| Highest level of care | ||
| Emergency department | 547 (20.3%) | 338 (21.9%) |
| Inpatient floor | 940 (34.9%) | 543 (35.2%) |
| Intensive care unit | 1210 (44.9%) | 663 (42.9%) |
| TBI severity group | ||
| GCS 13–15 CT- | 1256 (50.7%) | 742 (50.4%) |
| GCS 13–15 CT+ | 721 (29.1%) | 452 (30.7%) |
| GCS 9–12 | 132 (5.3%) | 75 (5.1%) |
| GCS 3–8 | 370 (14.9%) | 204 (13.8%) |
| Loss of consciousness2 | 2067 (77.3%) | 1303 (84.7%) |
| Post-traumatic amnesia2 | 1718 (64.3%) | 1135 (73.9%) |
SD, standard deviation; GCS, Glasgow Coma Scale; CT, computed tomography.
1
Sample was restricted to ages 17+ with Glasgow Outcome Scale-Extended >1.
2
Yes or Suspected.