unique personal identifier
quit smoking between 1st questionnaire and 1982
death between 1982 and 1992
year of death
systolic blood pressure in 1982
diastolic blood pressure in 1982
total family income group
highest grade of regular school ever
height in centimeters
weight in kilograms in 71
weight in kilograms in 82
number of cigarettes smoked per day in 1971
increase in number of cig/day between 1971 and 1982
years of smoking
hbp 0:no 1:yes 2:missing
hbpmed 0:no 1:yes 2:missing
serum cholesterol (mg/dL)