family income
1 = under 20,000
2 = 20000 to 40000
3 = 40001 - 60000
4 = 60001 to 80000
5 = 80001 to 100000
6 = over 100000

highest level of educaiton
1 = did not finish high school
2 = high school grad
3 = trade school
4 = some college
5 = college grad
6 = college degree plus

gender
1 = male
2 = female

physfilter = 1 (FILTER)
0 = Not Selected
1 = Selected