1 = Male
2 = Female

Do you smoke?
1 = Yes
2 = No
3 = (DK)
4 = (Refused)

How many children, under the age of 18, are living in your household?
0 = None
97 = 97+
98 = (DK)
99 = (Refused)

What is the age of the youngest child (under 18) living in your home?
0 = Less than one year
98 = (DK)
99 = (Refused)

age in years
99 = 99+
100 = (Refused)

years of completed education
1 = Less than high school diploma
2 = High school degree or diploma
3 = Technical/Vocational school
4 = Some college
5 = College graduate
6 = Postgraduate degree or work
7 = (DK)
8 = (Refused)

What is your approximate weight?
998 = (DK)
999 = (Refused)

total monthly income (pre-tax)
0 = None
1 = Under $60
2 = $60 to $499
3 = $500 to $999
4 = $1,000 to $1,999
5 = $2,000 to $2,999
6 = $3,000 to $3,999
7 = $4,000 to $4,999
8 = $5,000 to $7,499
9 = $7,500 to $9,999
10 = $10,000 and over
98 = (DK)
99 = (Refused)