20–29
30–39
40–49
50–59
60–69
70+
lead<25
lead>=25
No
Yes
PSU 1
PSU 2
Black or White
Not Black
Male
Not diabetic
Diabetic
White
Other
NE
MW
S
W
Excellent
Very good
Good
Fair
Poor
Blank but applicable
Urban
No heart attack
Had heart attack