Unique case identifier
Stratum identifier
Primary sampling unit
Region
SMSA type
Location (stand office ID)
Number of people in household
Sex
Race
Age (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)
Health status
Prior heart attack
Diabetes status
Size of place
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)
Female
Black
Other race
Female heart attack
# in household or 5 if #>=5
Household size is 1
Household size is 2
Household size is 3
Household size is 4
Household size is 5 or more
Northeast
Midwest
South
West
SMSA, central city
SMSA, not central city
Not in an SMSA
Rural
log(lead)
Age group
High lead level
High blood pressure