Table 1.
Demographic Data and Test Results of 244 Gulf War Veterans
| n | Mean or Percentage | SD | Minimum | Maximum | |
|---|---|---|---|---|---|
| Age | 244 | 44.7 | 9.6 | 31 | 71 |
| Gender | |||||
| Female | 37 | 15% | |||
| Male | 207 | 85% | |||
| Ethnicity | |||||
| Caucasian | 151 | 62% | |||
| Afr. American | 38 | 16% | |||
| Latino | 21 | 9% | |||
| Other | 22 | 9% | |||
| Missing | 12 | 5% | |||
| Early Life Trauma Reported | 51 | 21% | |||
| Yrs of Education | 233 | 14.7 | 2.4 | 10 | 20 |
| Lifetime Average Drinks/Month | 241 | 31 | 40 | 0 | 256 |
| Current Average Drinks/Month | 226 | 12 | 28 | 0 | 300 |
| Current Marijuana Use | 17 | 7% | |||
| Prevalence of Trauma Exposure | 148 | 61% | |||
| Time of Trauma | |||||
| Premilitary | 11 | 5% | |||
| Military | 118 | 48% | |||
| Postmilitary | 19 | 8% | |||
| Duration of PTSD Symptoms (yrs) | 143 | 12.0 | 7.9 | 0 | 41 |
| Time Since Trauma (yrs) | 149 | 14.7 | 7.9 | 1 | 44 |
| CAPS Lifetime | 244 | 30.7 | 35.3 | 0 | 125 |
| CAPS Current | 244 | 16.8 | 24.9 | 0 | 108 |
| HAM-D | 244 | 6.7 | 6.3 | 0 | 28 |
| Antidepressant Use | 42 | 17% | |||
| ICV, mL | 244 | 1586 | 147 | 1217 | 2012 |
| Hippocampal Volume, mL | 244 | 5.27 | .66 | 3.57 | 7.18 |
PTSD, posttraumatic stress disorder; CAPS, Clinician Administered PTSD Scale; HAM-D, Hamilton Depression Scale; ICV, intracranial volume.