alcohol use in last year
0 = never
1 = 1-2 times
2 = 3-5 times
3 = 6-9 times
4 = 10-19 times
5 = 20-39 times
6 = 40+ times

carried a gun in the past year
0 = no
1 = yes

race/ethnicity
0 = white
1 = r/e minority