Table 1

Characteristics of the study population (%)

Tobacco users
Tobacco free (n=20 699)Snus (n=2265)Smokers (n=3136)Smokers and snus (n=597)p Value
Women57.723.562.925.0<0.001
Age (years)<0.001
 16–2515.412.812.415.2
 25–3521.423.217.426.7
 35–4517.621.516.716.8
 45–5515.419.720.021.5
 55–6517.716.523.214.9
 >6512.47.210.16.7
Body mass index<0.001
 <208.64.79.95.8
 20–2551.946.648.948.1
 25–3030.136.230.935.3
 >309.512.410.310.9
Ex-smokers26.848.1—-
——
<0.001
Educational level<0.001
 Elementary school15.012.523.618.6
 High school31.642.940.745.8
 College53.544.735.735.6
Activity level<0.001
 Physically inactive18.119.332.827.8
 Moderately physically active62.862.055.158.7
 Vigorously physically active19.018.712.113.5