Demographic and clinical characteristics (N = 146)a
| Variable | Mean | SD |
|---|---|---|
| Time since mTBI (yr) | 9.4 | 6.2 |
| Deployment time (yr) | 5.7 | 3.5 |
| WASI-II IQ (standard score) | 106.6 | 13.3 |
| HIT-6 score | 45.8 | 9.3 |
| CSI | 12.5 | 14.0 |
Note:—WASI-II indicates Wechsler Adult Intelligence Scale, 2nd ed; IQ, intelligence quotient; HIT-6 = Headache Impact Test-6; CSI = Concussion Symptom Inventory.
↵a The maximum CSI and HTI-6 score is 72, indicating maximum symptom severity.