TABLE 1.
Demographic and clinical variables
| COD with anxious apprehension | COD without anxious apprehension | Healthy control | Contrast p value < .05 | ||||
|---|---|---|---|---|---|---|---|
| Mean or percentage | SD | Mean or Percentage | SD | Mean or Percentage | SD | ||
| Age at EEG | 25.26 | 3.59 | 25.25 | 4.03 | 29.01 | 5.82 | b, c |
| BDI | 20.70 | 10.78 | 8.84 | 6.37 | 2.67 | 3.88 | a, b, c |
| RDQ-R | 53.53 | 9.42 | 38.84 | 11.84 | 27.02 | 5.93 | a, b |
| Age at first MDE | 13.54 | 4.60 | 12.65 | 2.82 | |||
| Lifetime number of MDE | 3.33 | 1.94 | 2.43 | 1.55 | |||
| Psychotropic medication use, current | 33% | 14% | 0% | b, c | |||
| Psychotropic medication use, lifetime | 78% | 89% | 4% | b, c | |||
| Psychiatric hospitalization lifetime | 61% | 54% | 0% | b, c | |||
| MDE, current | 39% | 11% | 0% | a, b, c | |||
| Alcohol disorder, lifetime | 44% | 35% | 6% | b, c | |||
| Substance disorder, lifetime | 6% | 19% | 0% | c | |||
Note. a= COD with anxious apprehension significantly different from COD without anxious apprehension, p < .05; b= COD with anxious apprehension significantly different from healthy controls, p < .05; c= COD without anxious apprehension significantly different from healthy controls, p < .05. BDI = Beck Depression Inventory; RDQ-R = Response to Depression Questionnaire–Rumination; MDE = major depressive episode.