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) = .29, p > 0.5 |
Handedness, No.(%) right-handed | 17 (85.0) | 19 (86.4) | χ2(2) = 0.68, p > 0.7 |
Race, 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 |
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. (%) prescribed 2 | 1 (5.0) | 8 (36.4) | χ2(1) = 6.1, p < 0.01 |
Antidepressant Dosage equivalents [SD] 2 | 0.9 [4.3] | 14.5 [19.9] | t(40) = 3.0, p < .005 |