Table 1.
Demographic and clinical characteristics of subject samplea.
| Characteristic | Control n = 20 | PTSD n = 22 | Group comparison |
|---|---|---|---|
| Age (years), (SD) | 37.6 (11.0) | 30.8 (8.8) | t(40) = 2.2, p = 0.05 |
| Gender, no. (%) of females | 7 (35.0) | 13 (59.1) | χ2(1) = 0.29, p > 0.5 |
| Handedness, no. (%) right-handed | 17 (85.0) | 19 (86.4) | χ2(2) = 0.68, p > 0.7 |
| Ethnicity, no. (%) of caucasian subjects | 8 (40.0) | 12 (54.5) | χ2(2) = 2.1, p > 0.3 |
| Education (years), (SD) | 13.9 (2.8) | 13.3 (1.8) | t(40) = 0.8, p > 0.4 |
| Davidson trauma scale (SD) | 10.2 (8.8) | 74.4 (18.8) | t(40) = 13.9, p < 0.001 |
| Combat exposure scale (SD) | 8.6 (11.0) | 12.6 (10.3) | t(40) = 1.2, p > 0.2 |
| Connor–Davidson resilience scale, (SD) | 83.4 (9.9) | 66.7 (15.8) | t(40) = 4.1, p < 0.001 |
| Beck depression inventory (SD) | 7.1 (6.1) | 20.8 (9.0) | t(40) = 5.7, p < 0.001 |
| Alcohol use disorders identification test (SD) | 2.6 (3.2) | 6.1 (6.3) | t(40) = 2.6, p < 0.05 |
| Drug abuse screening test, (SD) | 0.4 (0.8) | 2.1 (2.5) | t(40) = 2.9, p < 0.01 |
| Antidepressant medication, no. (%) prescribedb | 1 (5) | 8 (36.4) | χ2(1) = 6.1, p < 0.01 |
| DTS of subjects taking medication, (SD) | 19 | 74 (16.8) | N/A |
a
Data values represent means except where indicated otherwise.
b
Antidepressant medications taken were either selective serotonin reuptake inhibitors (SSRI) or mirtazipine.