0 = male
1 = female

ethnicity
1 = African American
2 = Asian
3 = Caucasian
4 = Latino
5 = Native American
6 = other

marital status
1 = Single
2 = Married
3 = Cohabitating
4 = Divorced
5 = Widowed

income
1 = < 50,000
2 = 50,000 and 99,999
3 = >=100,000

highest completed education
1 = some high school
2 = high school degree
3 = some college
4 = college degree
5 = graduate degree