Table 1.
Participant characteristics.
| Mean (SD) | |
|---|---|
| Age | 33.38 (6.05) |
| Education | 14.54 (1.56) |
| WRAT-4 reading standard score | 102.63 (12.45) |
| Gender (% Male) | 89.2% |
| Ethnicity | |
| Caucasian | 35.1% |
| African-American | 8.1% |
| Hispanic | 37.8% |
| Asian | 16.2% |
| Native American | 2.7% |
| Combat exposure scale | 16.23 (12.06) |
| PCL-M total score | 47.57 (18.36) |
| BDI-II total score | 21.14 (12.52) |
| NSI total score | 37.11 (18.96) |
| Months since injury (months) | 69.05 (38.09), median = 62.00, range = 148 |
| Total # of TBIs | 2.84 (1.48) |
| TBI severity (% mild) | 81% |
| % most significant TBI with LOC | 65% |
| Blast-exposed (% yes) | 49% |
| Pulse pressure (n = 36) | 45.65 (8.28) |
| Height (in.) | 67.93 (3.30) |
| Weight (lbs) | 193.03 (45.58) |
| Current smoker (% yes) | 16% |
| APOE-ε4 genotype (n = 35; % yes) | 31% |
WRAT-4 = wide range achievement test-4th edition; PCL-M = posttraumatic stress disorder checklist; BDI-II = Beck depression inventory 2nd edition; NSI = neurobehavioral symptom inventory; APOE-ε4 = apolipoprotein-ε4 carrier.