Serial number
Daily cigarette consumption
Systolic blood pressure (mm Hg)
Diastolic blood pressure (mm Hg)
Mean arterial pressure (mm Hg)
Age (years)
Height (cm)
Weight (kg)
Cholesterol (mmol/l)
Job grade 1
Job grade 2
Job grade 3
Ten year mortality
Years of follow-up
Censoring (0 = censored, 1 = died of CHD)
Job grade