Table 1 Demographic and clinical variables (categorical variables)

From: Major depression, physical health and molecular senescence markers abnormalities

Categorical variables

 

N

Distribution

Demographic variables

Sex

426

Female: 273 (64%)

  

Male: 153 (36%)

Site

426

Pittsburgh: 175 (41%)

  

Toronto: 119 (28%)

  

Washington: 132 (31%)

Race

426

Asian Pacific: 7 (2%)

  

Black: 40 (9%)

  

Native American: 1 (<1%)

  

White: 378 (89%)

Alcohol consumptiona

426

Yes: 212 (50%)

  

No: 214 (50%)

Variables related to depression and anxiety characteristics

Depression type

426

Recurrent: 307 (72%)

  

Single episode: 119 (28%)

Previous suicide attempts

424

Yes: 52 (12%)

  

No: 372 (87%)

SCID anxiety diagnosis

426

Yes: 178 (42%)

  

No: 248 (58%)

  1. aAlcohol consumption: the estimation is based on the number of individuals who reported consuming alcohol during the clinical trial following baseline data collection.