Smokers (n = 4763), n (%) | Non-smokers (n = 1259), n (%) | |
Never | 2721 (57.3) | 896 (71.3) |
Once in a while | 1103 (23.2) | 231 (18.4) |
Often | 814 (17.1) | 87 (6.9) |
Don’t know/Cannot say | 114 (2.4) | 43 (3.4) |
*Weighted data. There were 11 missing cases for smokers and 3 missing cases for non-smokers.