1) a sex-specific question “How often do you have [five/four] or more drinks in a single sitting (considered about a 2 hour period)?” for males/females, or 2) the values from the CON measure, above, if participants’ reported typical drinking quantity was >=5 drinks per day (otherwise HED frequency=0). The former measure was only available for a subset of waves; we took the maximum value when both measures were available.