Table 1.
Clinical and demographic characteristics of HVs and participants in a depressive episode.
| HVs (n = 19) |
Participants in a depressive episode (n = 28) | Statistical comparison | |
|---|---|---|---|
| Age, mean (SD) | 40.6 (13.4) | 33.0 (13.1) | t 38 = 1.94 (p = 0.06) a |
| Female: male ratio | 9F:10M | 13F:15M | Χ2(1) = 0.004 (p = 0.94) |
| Childhood Trauma Questionnaire (CTQ) (SD) | 28.9 (4.71) | 59.0 (17.0) | t 33 = −8.89 (p < 0.001) a |
| Hamilton Anxiety Scale (HAM-A) (SD) | N/A c | 20.5 (6.29) b | N/A c |
| Hamilton Depression Rating Scale (HDRS-17) (SD) | 1.89 (2.14) | 20.5 (3.51) b | t 41 = −21.8 (p < 0.001) a |
Abbreviations: HV, healthy volunteer; SD, standard deviation.
a
Welch’s independent sample t-test for unequal variances.
b
Data missing for two participants.
c
HAM-A for HVs not available.