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Table 1 Basic demographic characteristics (absolute and relative frequencies) of the BiDirect-Baseline participants stratified by cohort

From: Establishing the bidirectional relationship between depression and subclinical arteriosclerosis – rationale, design, and characteristics of the BiDirect Study

  Cohort
Variable Depression (N = 999) CVD (N = 347) Reference (N = 912)
Sex    
  Female 593 (59.4%) 49 (14.1%) 464 (50.9%)
  Male 406 (40.6%) 298 (85.9%) 448 (49.1%)
Age    
  35 to 44 years 285 (28.5%) 29 (8.4%) 194 (21.3%)
  45 to 54 years 437 (43.7%) 128 (36.9%) 304 (33.3%)
  55 to 65 years 277 (27.7%) 190 (54.8%) 414 (45.4%)
Educational level    
  University degree 238 (23.8%) 99 (28.5%) 375 (41.1%)
  University entrance diploma or vocation diploma 181 (18.1%) 56 (16.1%) 157 (17.2%)
  General certificate of secondary education 278 (27.8%) 86 (24.8%) 187 (20.5%)
  Certificate of secondary education or lower 295 (29.5%) 104 (30.0%) 189 (20.7%)
Net household income1 per month    
  ≤ 2000 Euro 345 (34.5%) 56 (16.1%) 182 (20.0%)
  > 2000 Euro 651 (65.2%) 290 (83.6%) 726 (79.6%)
  1. 1Sum across all household members after tax and social charges.