“…Additionally, in their extensive research on drinking patterns and drunk driving, Gruenewald and colleagues (Gruenewald et al, 2002;Gruenewald, Millar, et al, 1996;Gruenewald, Mitchell, et al, 1996;Gruenewald et al, 1999;Treno et al, 2000) have found that frequency, amount, and location of drinking activities all interact to produce problematic outcomes. The data available in this study, which were derived from official police reports, did not allow a thorough examination of these routine drinking activities and how they were related to drunk driving over the period of time considered.…”