Measures of alcohol effect were expressed as risk ratio (RR) and odds ratio (OR). RR is the relative incidence risk of events in the exposed group versus the non-exposed group occurring at any given point in time. OR is the relative odds of outcome in the exposed group versus the non-exposed group occurring at any given point in time. Wherever reported, we used full adjusted forms of RR and OR controlled for at least one or more potential confounding factors such as age, gender, race, mental disorder, drug abuse, smoking, marital status, body mass index, educational level, employment status, income, and living alone.
