Table 1.
Demographic and Injury Variables of the Sample
| Variable | OI (n = 37) | TBI (n = 40) | Statistical comparison |
|---|---|---|---|
| Age-at-Test (yr), mean (SD) | 12.1 (2.3) | 13.1 (3.0) | F(1,75) = 2.82, p = 0.10 |
| Gender (female-male) | 10:27 | 14:26 | χ2(2) = 0.57, p = 0.45 |
| SCI, mean (SD) | 0.2 (0.9) | 0 (0.7) | F(1,75) = 1.33, p = 0.25 |
| Race/ethnicity, n (%) | |||
| African American | 11 (29.7) | 3 (7.5) | p = 0.07* |
| Asian | 1 (2.7) | 0 (0) | |
| Biracial | 1 (2.7) | 1 (2.5) | |
| European American | 12 (32.4) | 17 (42.5) | |
| Hispanic | 12 (32.4) | 19 (47.5) | |
| Time post-injury (days), mean (SD) | 124.4 (28.7) | 125.3 (36.7) | F(1,75) = 0.01, p = 0.91 |
| GCS (lowest in first 24 h) | 15.0 (0) | 8.7 (4.5) | N/A |
| Mechanism of injury, n (%) | |||
| MVA | 2 (5.4) | 16 (40.0) | p < 0.0001* |
| MCA/scooter/moped | 4 (10.8) | 6 (15.0) | |
| RV | 1 (2.7) | 4 (10.0) | |
| Bicycle | 2 (5.4) | 2 (5.0) | |
| Fall | 6 (16.2) | 7 (17.5) | |
| Hit by falling object | 2 (5.4) | 0 (0) | |
| Sports/play | 18 (48.7) | 2 (5.0) | |
| Hit by motor vehicle | 1 (2.7) | 3 (7.5) | |
| Other | 1 (2.7) | 0 (0) | |
*
Fisher's exact test.
SCI, Socioeconomic Composite Index; GCS, Glasgow Coma Scale score; MVA, motor vehicle accident; MCA, motorcycle accident; RV, recreational or other off-road vehicle.