Hingson and Zha, 2009). The consumption variable we chose, “number of drinks of any alcohol usually consumed on days when drank alcohol during period of heaviest drinking,” was selected because it was felt to be most representative of individuals’ typical pattern of consumption. We also conducted additional analyses using the consumption variable, “largest number of drinks of any alcohol consumed on days when drank alcohol during period of heaviest drinking” and found no notable differences in results.
