Alcohol and cause-specific mortality in Russia: a retrospective case-control study of 48,557 adult deaths. by Zaridze, D, Brennan, P, Boreham, J, Boroda, A, Karpov, R, Lazarev, A, Konobeevskaya, I, Igitov, V, Terechova, T, Boffetta, P, Peto, R

“…Cases (n=43,082) were those certified as dying from causes we judged beforehand might be substantially affected by alcohol or tobacco; controls were the other 5475 decedents. Case versus control relative risks (RRs; calculated as odds ratios by confounder-adjusted logistic regression) were calculated in ever-drinkers, defining the reference category by two criteria: usual weekly consumption always less than 0.5 half-litre bottles of vodka (or equivalent in total alcohol content) and maximum consumption of spirits in 1 day always less than 0.5 half-litre bottles. …”