Table 2.
Demographic and Injury Characteristics of Responders Compared to Non-responders.
| Responders | Non-responders | p Value | |
|---|---|---|---|
| Number (%) | 605 (37) | 1018 (63) | |
| Sex: Male, no. (%) | 370 (61) | 685 (67) | 0.013 |
| Age at injury, years, mean (±SD) | 30.8 (±12.9) | 28.1 (±11.1) | <0.001 |
| Time since injury, years, mean (±SD) | 28.8 (±10.8) | 27.2 (±10.3) | 0.003 |
| Injury severity, no. (%) | <0.001 | ||
| Mild | 479 (79) | 875 (86) | |
| Moderate to severe | 126 (21) | 143 (14) | |
| Cause of TBI, no. (%) | <0.001 | ||
| Fall | 91 (15) | 143 (14) | |
| MVC and motorcycle | 333 (55) | 567 (56) | |
| Recreationala | 115 (19) | 125 (12) | |
| Otherb | 66 (11) | 183 (18) |
a
Bicycle, snowmobile, or other recreation.
b
Occupational, assault, gunshot, or other.
MVC, motor vehicle collision; TBI, traumatic brain injury.