 - Clinical or histological evidence of alcoholic liver disease: Regular and excessive use of alcohol within the 2 years prior to interview defined as alcohol intake greater than 14 drinks per week in a man or greater than 7 drinks per week in a woman. Approximately 10 g of alcohol equals one drink unit. One unit equals 1 ounce of distilled spirits, one 12-oz beer, or one 4-oz glass of wine 