Table 1

 Demographic and disease related characteristics

Total sample (n = 106)MI (n = 54)CABG (n = 45)Others* (n = 7)
Data are mean (SD) or number (%).
*Angina (n = 5), unspecified cardiac insufficiency (n = 2).
CABG, coronary artery bypass graft surgery; MI, myocardial infarction; NA, not available; NYHA, New York Heart Association.
Age (years)55 (7.6)53.4 (8.5)56.9 (6.1)55.4 (8.1)
    Range30–6530–6541–6544–64
Men90 (85%)45 (83%)39 (87%)6 (86%)
Women16 (15%)9 (17%)6 (13%)1 (14%)
Vocational education
    None4 (4%)3 (6%)1 (2%)0
    Vocational training52 (49%)25 (46%)22 (49%)5 (71%)
    Technical school23 (22%)14 (26%)8 (18%)1 (14%)
    University/technical college21 (20%)8 (15%)12 (27%)1 (14%)
    Others/NA6 (6%)4 (7%)2 (4%)0
NYHA class
    I88 (83%)48 (89%)35 (78%)5 (71%)
    II10 (9%)5 (9%)4 (9%)1 (14%)
    III3 (3%)03 (7%)0
    IV0000
    NA5 (5%)1 (2%)3 (7%)1 (14%)
Disease duration (months)20.6 (47.7)11.7 (42.2)33.6 (54.4)5.1 (8.5)
    Range0.5–2640.5–2640.5–1921.0–24