unique case identifier
1=NE, 2=MW, 3=S, 4=W
1=SMSAcity,2=SMSA~city,4=~SMSA
stand number, 1-64
# persons in household, 1-14
1=male, 2=female
1=white, 2=black, 3=other
age in years
height (cm)
weight (kg)
systolic blood pressure
diastolic blood pressure
serum cholesterol (mg/dL)
serum triglycerides (mg/dL)
high density lipids (mg/dL)
hemoglobin (g/dL)
hematocrit (%)
total iron bind. cap. (mcg/dL)
serum iron (mcg/dL)
1=excellent,..., 5=poor
heart attack, 1=yes, 0=no
diabetes, 1=yes, 0=no
1=urban,..., 8=rural
sampling weight (except lead)
sampling weight for lead
mean corpuscular volume (fL)
transferrin saturation (%)
serum albumin (g/dL)
serum vitamin C (mg/dL)
serum zinc (mcg/dL)
serum copper (mcg/dL)
erythrocyte porphyrin (mcg/dl)
lead (mcg/dL)
1=female, 0=male
1 if race=black, 0 otherwise
1 if race=other, 0 otherwise
female heart attack, 1=yes,2=no
# in household or 5 if #>=5
hsizgp==     1.0000
hsizgp==     2.0000
hsizgp==     3.0000
hsizgp==     4.0000
hsizgp==     5.0000
region==NE
region==MW
region==S
region==W
smsa==     1.0000
smsa==     2.0000
smsa==     4.0000
1=rural, 0=urban
log(lead)
1 if BP > 140/90, 0 otherwise
Age groups 1-6
1 if lead >= 25, 0 otherwise