Table 1.
Demographic and clinical variables
| PTSD subjects (n = 25) | Trauma‐exposed controls (n = 25) | Healthy controls (n = 25) | Significance test (df) [p value] | |
|---|---|---|---|---|
| Gender (F/M) | 13/12 | 13/12 | 13/12 | χ2 (2) = 0.00 [1] |
| Age (years) | 34.0 ± 8.4 | 36.4 ± 8.1 | 31.7 ± 6.0 | F (2, 72) = 2.44 [.095] |
| Time since trauma (years) | 4.61 ± 2.57 | 4.26 ± 2.45 | ‐ | t (48) = −0.493 [.805] |
| Years of education | 16.16 ± 1.3 | 15.04 ± 1.5 | 15.44 ± 2.24 | F (2, 72) = 2.76 [.07] |
| DASS | 57.2 ± 32.6 | 16.2 ± 25.1 | 9.5 ± 10.3a | F (2, 66) = 24.22 [<.001] |
| CAPS | ||||
| Lifetime | 95.6 ± 25.9 | 13.0 ± 21.8 | ‐ | t (48) = −12.20 [<.001] |
| Month | 57.0 ± 26.8 | 6.7 ± 13.5 | ‐ | t (35.4) = −8.38 [<.001] |
| Week | 53.6 ± 27.6 | 5.8 ± 12.1 | ‐ | t (32.9) = −7.93 [<.001] |
| IES‐R | 45.1 ± 18.5 | 15.0 ± 21.6 | ‐ | t (48) = −5.30 [<.001] |
Note. Mean scores (±standard deviation) for age and DASS clinical score across groups.
CAPS/IES‐R group differences were tested using two‐tailed continuous data significant at p < .05.
a
DASS scores available for only 19 healthy control participants.