Never
0
Monthly or less
+1
Two to four times a month
+2
Two to three times per week
+3
Four or more times a week
+4
1 or 2 drinks
0
3 or 4
+1
5 or 6
+2
7 to 9
+3
10 or more
+4
Never
0
Less than monthly
+1
Monthly
+2
Weekly
+3
Daily or almost daily
+4