Table 1

Characteristics of the study sample at 1-year follow-up

N (%)
Total1038 (100)
Age
 30–49 years151 (14.6)
 50–59 years299 (28.8)
 ≥60 years588 (56.7)
Sex
 Male884 (85.2)
 Female154 (14.8)
Education
 Low (≤9 years)413 (40.1)
 Moderate (10–11 years)235 (22.8)
 High (12–13 years)178 (17.3)
 Unknown7
Employment status
 Employed315 (30.4)
 Not employed, unemployed, retired722 (69.6)
 Unknown1
BMI
 <25 kg/m2246 (23.7)
 25–30 kg/m2560 (54.0)
 >30 kg/m2231 (22.3)
 Unknown1
Smoking status (cotinine-validated)
 Never smoker307 (29.7)
 Former smoker498 (48.2)
 Current smoker229 (22.2)
 Unknown4
Frequency of strenuous physical activity
 Daily159 (15.3)
 5–6 times/week164 (15.8)
 2–4 times/week429 (41.3)
 1–4 times/month192 (18.5)
 Rarely/never94 (9.1)
Number of affected vessels
 1-vessel disease272 (27.5)
 2-vessel disease280 (28.3)
 3-vessel disease437 (44.2)
 Unknown49
LV function
 Not or only mildly impaired752 (78.7)
 Moderately or severely impaired203 (21.3)
 Unknown83
History of myocardial infarction
 Yes602 (58.0)
 No436 (42.0)
History of stroke
 Yes44 (4.6)
 No919 (95.4)
 Unknown75
History of diabetes
 Yes190 (18.5)
 No839 (81.5)
 Unknown9
History of hypertension
 Yes698 (68.0)
 No328 (32.0)
 Unknown12
Self-reported health
 Poor/very poor49 (4.7)
 Not so good142 (13.7)
 Satisfactory473 (45.7)
 Good/very good372 (35.9)
 Unknown2
Study centre
 Isny537 (51.7)
 Bad Nauheim501 (48.3)