Table 1. Descriptive Statistics of Post-9/11 Military Veteran Population by Traumatic Brain Injury Severity and Total US Population, 2002 to 2018.
| Variables | No. (%) | ||||
|---|---|---|---|---|---|
| Veteran population | Total US population | ||||
| Total | No TBI | Mild TBI | Moderate to severe TBI | ||
| No. | 2 516 189 | 1 999 729 (79.5) | 441 083 (17.5) | 75 377 (3.0) | 229 104 796a |
| Person-years | 16 071 373 | 12 460 025 | 3 100 813 | 510 535 | 3 894 781 528 |
| Age, y | |||||
| 18-24 | 601 841 (23.9) | 481 061 (24.1) | 103 245 (23.4) | 17 535 (23.3) | 30 241 833 (13.2) |
| 25-34 | 1 159 053 (46.1) | 899 860 (45.0) | 221 823 (50.3) | 37 370 (49.6) | 41 697 073 (18.2) |
| 35-44 | 440 253 (17.5) | 350 730 (17.5) | 76 138 (17.3) | 13 385 (17.8) | 41 926 178 (18.3) |
| 45-54 | 234 028 (9.3) | 197 119 (9.9) | 31 518 (7.1) | 5391 (7.2) | 43 071 702 (18.8) |
| 55-64 | 68 175 (2.7) | 59 642 (3.0) | 7159 (1.6) | 1374 (1.8) | 35 740 348 (15.6) |
| 65-74 | 12 782 (0.5) | 11 267 (0.6) | 1194 (0.3) | 321 (0.4) | 22 910 480 (10.0) |
| 75-84 | 58 (0) | 50 (0) | 6 (0) | 2 (0) | 13 517 183 (5.9) |
| Sex | |||||
| Male | 2 167 736 (86.2) | 1 696 396 (84.8) | 401 894 (91.1) | 69 446 (92.1) | 112 261 350 (49.0) |
| Female | 348 453 (13.8) | 303 333 (15.2) | 39 189 (8.9) | 5931 (7.9) | 116 843 446 (51.0) |
| Race and ethnicity | |||||
| American Indian/Alaska Native | 45 324 (1.8) | 34 898 (1.7) | 8926 (2.0) | 1500 (2.0) | 1 832 838 (0.8) |
| Asian/Pacific Islander | 160 178 (6.4) | 119 702 (6.0) | 34 209 (7.8) | 6267 (8.3) | 12 371 659 (5.4) |
| Hispanic | 259 737 (10.3) | 205 892 (10.3) | 46 496 (10.5) | 7349 (9.7) | 32 761 986 (14.3) |
| Non-Hispanic Black | 387 926 (15.4) | 315 533 (15.8) | 62 803 (14.2) | 9590 (12.7) | 27 950 785 (12.2) |
| Non-Hispanic White | 1 619 834 (64.4) | 1 284 606 (64.2) | 285 100 (64.6) | 50 128 (66.5) | 154 187 528 (67.3) |
| Unknownb | 43 190 (1.7) | 39 098 (2.0) | 3549 (0.8) | 543 (0.7) | 0 |
| Deployment status | |||||
| Deployed | 1 869 256 (74.6) | 1 419 808 (71.0) | 384 624 (87.2) | 64 824 (86.0) | NA |
| Not deployed | 646 933 (25.4) | 579 921 (29.0) | 56 459 (12.8) | 10 553 (14.0) | NA |
| Total deaths, sum | 30 564 | 21 561 | 6989 | 2014 | 29 445 853 |
| Crude mortality rates per 100 000 person-years | |||||
| All causesc | 190.2 | 173.0 | 225.4 | 394.5 | 756.0 |
| Accident | 53.7 | 42.6 | 81.5 | 154.3 | 46.0 |
| Suicide | 38.2 | 34.3 | 46.9 | 81.5 | 15.9 |
| Cancer | 32.6 | 34.8 | 23.0 | 35.6 | 210.0 |
| CVD | 22.7 | 22.5 | 22.1 | 31.5 | 221.1 |
| Homicide | 10.8 | 10.4 | 10.4 | 23.9 | 6.9 |
| All other causes | 32.2 | 28.4 | 41.5 | 67.6 | 256.1 |
Abbreviations: CVD, cardiovascular disease; NA, not applicable; TBI, traumatic brain injury.
a
Mean number of unique individuals in total population per year.
b
Included anyone not listed in the other 5 groups.
c
Totals for each column may not sum to 100 because of rounding.