Adolescent,Adult,Age Distribution,Aged,Byelarus/epidemiology,Epidemiologic Studies,Family Characteristics,Female,Human,Male,Middle Age,Odds Ratio,Prevalence,Risk Factors,Sex Distribution,Smoking/*epidemiology,Socioeconomic Factors,Support,Non-U.S. Gov't,Adolescence,Adult,Age Distribution,Aged,Byelarus,epidemiology,Epidemiologic Studies,Family Characteristics,Female,Human,Male,Middle Age,Odds Ratio,Prevalence,Risk Factors,Sex Distribution,Smoking,epidemiology,Socioeconomic Factors,Support,Non-U.S. Gov't