| Controls (n= 19) | MDD-only (n= 9) | PD-MDD (n= 13) |
---|---|---|---|
Demographic variables | Â | Â | Â |
 Age (years, SD) | 29.6 (12.8) a | 25.4 (7.7) a | 39.1 (11.9) b |
 Sex (% female) | 68.4 a | 66.7 a | 76.9 a |
 Race (% Caucasian) | 52.6 a | 22.2 a | 41.7 a |
 Education |  |  |  |
  Graduated high school or GED (%) | 5.3 | 0.0 | 0.0 |
  Part college or graduated 2-year college (%) | 21.1 | 55.6 | 50.0 |
  Graduated 4-year college (%) | 47.4 | 33.3 | 33.3 |
  Part or completed graduate/professional school (%) | 26.2 | 11.1 | 16.6 |
Current comorbid diagnoses | Â | Â | Â |
 Social phobia (%) | - | - | 23.1 |
 Specific phobia (%) | - | - | 7.7 |
 Post-traumatic stress disorder (%) | - | - | 7.7 a |
 Generalized anxiety disorder (%) | - | - | 0.0 a |
 Obsessive compulsive disorder | - | - | 7.7 a |
Current psychiatric medications (%) | 0.0 a | 11.1 a | 30.8 b |