Table 1

Characteristics of patients with myocardial infarction and control subjects

Patients, N = 539Control subjects, N = 611
Mean age, y (SD) 56.4 (9.0) 57.5 (10.6) 
Smoking, n (%)   
    No 206 (38.2) 410 (67.1) 
    Yes 333 (61.8) 201 (32.9) 
Alcohol, n (%)   
    Never 83 (15.4) 61 (10.0) 
    Occasionally 24 (4.5) 21 (3.4) 
    Regularly 432 (80.1) 529 (86.6) 
Quetelet index, kg/m2, n (%)*   
    Less than 30 448 (83.3) 513 (84.1) 
    30 or more 90 (17.6) 97 (15.9) 
Diabetes, n (%)   
    Absent 513 (95.2) 590 (96.6) 
    Present 26 (4.8) 21 (3.4) 
Hypertension, n (%)   
    Absent 434 (80.5) 506 (82.8) 
    Present 105 (19.5) 105 (17.2) 
Hypercholesterolemia, n (%)   
    Absent 527 (97.8) 600 (98.2) 
    Present 12 (2.2) 11 (1.8) 
Patients, N = 539Control subjects, N = 611
Mean age, y (SD) 56.4 (9.0) 57.5 (10.6) 
Smoking, n (%)   
    No 206 (38.2) 410 (67.1) 
    Yes 333 (61.8) 201 (32.9) 
Alcohol, n (%)   
    Never 83 (15.4) 61 (10.0) 
    Occasionally 24 (4.5) 21 (3.4) 
    Regularly 432 (80.1) 529 (86.6) 
Quetelet index, kg/m2, n (%)*   
    Less than 30 448 (83.3) 513 (84.1) 
    30 or more 90 (17.6) 97 (15.9) 
Diabetes, n (%)   
    Absent 513 (95.2) 590 (96.6) 
    Present 26 (4.8) 21 (3.4) 
Hypertension, n (%)   
    Absent 434 (80.5) 506 (82.8) 
    Present 105 (19.5) 105 (17.2) 
Hypercholesterolemia, n (%)   
    Absent 527 (97.8) 600 (98.2) 
    Present 12 (2.2) 11 (1.8) 

Data refer to the period prior to myocardial infarction, apart from the Quetelet index.

*

For one patient and one control subject, the Quetelet index was missing.