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Table 1 Baseline characteristics of study sample (n = 9784)

From: A six question screen to facilitate primary cardiovascular disease prevention

  Men (n = 6189) Women (n = 3565)
Age (SD) 49.4 6.0 47.1 5.5
Educationa
 Low (%) 973 15.7 1030 28.9
 Middle (%) 1988 32.1 1430 40.1
 High (%) 3228 52.2 1105 31.0
Ethnicity
 Caucasian (%) 5821 94.1 3187 89.4
 Other (%) 368 5.9 378 10.6
Tobacco use
 None (%) 5294 85.5 2977 83.5
 At least once a week (%) 469 7.6 251 7.0
 At least 10 g per day (%) 426 6.9 337 9.5
Body mass index (SD) 25.7 3.2 24.7 4.1
 BMI <25 (%) 2738 44.2 2202 61.8
 Overweight: BMI ≥25 - <30 (%) 2923 47.2 988 27.7
 Obese: BMI ≥30 (%) 528 8.5 375 10.5
Serum total cholesterol in mmol/l (SD) 5.8 1.0 5.5 1.0
 History of hypercholesterolemia (%) 179 2.9 58 1.6
Systolic blood pressure in mmHg (SD) 135.9 16.2 126.9 17.0
History of hypertension (%) 207 3.3 155 4.3
History of diabetes mellitus (%) 19 0.3 13 0.4
SCORE-low risk 5–10 (%) 235 3.8 7 0.1
SCORE-low risk >10 (%) 31 0.5 1 0.0
History of renal insufficiency (%) 72 1.2 29 0.8
eGFR (mL/min per 1.73 m2)
  ≥ 90 (%) 3363 54.3 1822 51.1
 60–90 (%) 2678 43.3 1612 45.2
 45–59 (%) 143 2.3 127 3.6
 30–44 (%) 5 0.1 4 0.1
  < 30 (%) 0 0 0 0
Increased ACR (%) 109 1.8 70 2.0
  1. aEducation level. Low: lower general secondary/lower vocational. Middle: higher general secondary/pre-university/ intermediate vocational. High: Higher vocational/university/doctorate
  2. eGFR: estimated glomerular filtration rate based on the chronic kidney disease epidemiology collaboration (CKD-EPI) formula. ACR: albumin/creatinine ratio in urine. Increased values defined as ≥3.5 for male and ≥2.5 for female persons