Women's 12-month drinking did not change significantly between 1981 and 1991, but it became more prevalent in the total samples between 1991 and 2001. Among 12-month drinkers, however, 30-day abstinence increased from 1981 to 2001 (particularly among women drinkers ages 21-30). From 1981 to 2001, HED declined (particularly among women drinkers ages 21-30), but intoxication became more prevalent (particularly among women drinkers ages 21-50)