We examined both binge and non-binge alcohol use. Respondents were classified as having taken part in binge alcohol use if they reported consumption of “five or more drinks on the same occasion on at least one day in the past 30 days”. The NSDUH interview guide clarifies that “occasion” refers specifically to “at the same time or within a couple of hours of each other”. Respondents were classified as having taken part in non-binge alcohol use if they reported having one or more drinks in the past 30 days but no binge alcohol use. Youth who reported no alcohol use in the previous 30 days were deemed not current users (i.e., “no use”). While there are some subtleties with respect to the private consumption of alcohol in a handful of states, the National Minimum Drinking Age Act of 1984 prohibits the purchase and public possession of alcoholic beverages under the age of 21.