- History of regular alcohol consumption exceeding average weekly intake of greater than 21 units or an average daily intake of greater than three units (males) or an average weekly intake of greater than 14 units or an average daily intake of greater than two units (females). One unit is equivalent to a half-pint (220 mL) of beer/lager or one (25 mL) measure of spirits or one glass (125 mL) of wine.