Frequency of intoxication was assessed with the following question: “At the present, how often do you use alcohol to get drunk?” Response options included: (1) I don’t use alcohol/Never; (2) Once or year or less frequently; (3) 3 to 4 times a year; (4) About once in 2 months; (5) About once a month; (6) A couple times a month; (7) About once a week; (8) About twice a week; (9) Daily.