Men reported 10.5 more max drinks than women and endorsed, on average, one half an extra DSM-IV dependence criterion (βmale = 0.51). . Nicotine dependent participants had 3.2 more max drinks than controls endorsed more DSM-IV criteria (βcase = 0.39) greater odds of increased alcohol dependence severity. Older participants reported fewer max drinks. There is substantial correlation between the phenotypes; the Spearman rank order correlation is 0.50 between max drinks and the number of DSM-IV symptoms endorsed (P < .0001).
