Table 1

Demographic and clinical characteristics of participants in the study

CharacteristicGroup, no. (%)*p value
Control (n = 40)MDE (n = 36)Whole sample (n = 76)
Age, yr, mean ± SD48 ± 18.047 ± 21.348 ± 19.60.97
Female sex9 (22.5)11 (30.5)20 (26.3)0.27
Suicide34 (94.4)34 (44.7)
Bipolar disorder4 (11.1)4 (5.2)
AUD12 (33.3)12 (15.8)
Childhood adversity10 (25)10 (27.8)20 (26.3)0.74
Race/ethnicity0.51
Asian1 (2.5)1 (2.7)2 (2.6)
African American7 (17.5)2 (5.5)9 (11.8)
White28 (70)27 (75)55 (72.4)
Hispanic6 (15)5 (13.8)11 (14.5)
  • AUD = alcohol use disorder; MDE = major depressive episode; SD = standard deviation.

  • * Unless indicated otherwise.