Patterns of snus and cigarette use: a study of

Norwegian men followed from age 16 to 19 Liv Grøtvedt,1 Lisa Forsén,2,3 Knut Stavem,4,5,6 Sidsel Graff-Iversen2,7 Background The use of moist snuff (snus) in young Norwegians is increasing, while smoking rates are declining. It is not clear whether snus facilitates smoking. Objective To assess whether 16-year-old men who were never-smokers, but snus users in 2001, had an increased risk of smoking 3 years later. Methods In a prospective school-based cohort study, 1440 men, who responded to questionnaires in 2001 and 2004, were included in the analyses. The participation rate was 89 % in 2001 and 50 % in 2004. Multinomial logistic regression models were used to assess the OR of snus users, smokers and dual users of cigarettes an