The Effect of Smoking on the Relationship between Alcohol Consumption and All-Cause Mortality in Canadian Women

Abstract

The protective effect of light to moderate drinking on all-cause mortality in general is well established, but there have been questions on its generalizability to women and non-smokers. The present study addresses these questions with a large cohort of Canadian middle-aged women. The key findings indicate that light to moderate drinkers have a markedly lower risk of mortality compared with current abstainers and that this effect is independent of smoking status. Part of this effect may be due to ex-drinkers who are part of the current abstainers group. Heavy drinkers have a higher mortality risk than light to moderate drinkers.