Table 1.
Demographic Characteristics of Participants in Final Analyses
| Variable | VC n=116 | mTBI-o n=53 | PTSD-o n=32 | mTBI+PTSD n=50 | F or X2 n=251 | p | |
|---|---|---|---|---|---|---|---|
| Male | % | 86.2 | 88.7 | 87.5 | 98.0 | 5.206 | .157 |
| Age | M(SD) | 31.64 (8.21) | 29.96 (7.70) | 31.53 (7.24) | 30.04 (7.73) | .844 | .471 |
| Education | M(SD) | 14.12 (1.69) | 14.19 (1.75) | 14.25 (1.95) | 13.62 (1.32) | 1.438 | .232 |
| Race | |||||||
| Caucasian | % | 77.6% | 69.8% | 71.9% | 82.0% | 1.570 | .197 |
| Afr. Amer. | % | 6.9% | 13.2% | 21.9% | 4.0% | ||
| Other | % | 15.5% | 17.0% | 6.2% | 14.0% | ||
| Ethnicity | |||||||
| Hispanic | % | 19.1% | 19.2% | 12.5% | 14.3% | 1.958 | .121 |
| Non-Hispanic | % | 79.1% | 71.2% | 71.9% | 75.5% | ||
| WTAR FSIQ | M(SD) | 102.76 (8.11) | 102.66 (6.97) | 100.06(9.20) | 103.34 (8.43) | 1.191 | .314 |
| # Deployment mTBI | M(SD) | - | 2.94 (13.46) | - | 3.18 (13.85) | .006 | .936 |
| # Months Post mTBI | M(SD) | - | 44.68 (35.12) | - | 40.43 (26.08) | 1.505 | .223 |
| Previous Hx of mTBI | % | 26.1% | 35.5% | 35.5% | 30.6% | 3.443 | .328 |
VC, veteran controls; mTBI-o, deployment mild traumatic brain injury only; PTSD-o, current post-traumatic stress disorder only; mTBI+PTSD, deployment mild traumatic brain injury and current post-traumatic stress disorder; M, mean; SD, standard deviation; WTAR FSIQ, Wechsler Test of Adult Reading estimated Wechsler Adult Intelligence Scale-III Full Scale Intelligence Quotient; mTBI, mild traumatic brain injury; Hx, history.