Comparison of smokers and non-smokers according to the measured potential confounders
| Smokers (n=168) | Non-smokers (n=829) | p Value | |||
|---|---|---|---|---|---|
| n | Percentage of group | n | Percentage of group | ||
| Gender | 0.016 | ||||
| Female | 86 | 51.2 | 510 | 61.5 | |
| Male | 82 | 48.8 | 319 | 38.5 | |
| Marital status | 0.155 | ||||
| Single | 44 | 26.3 | 177 | 21.4 | |
| Married or cohabiting | 123 | 73.7 | 652 | 78.6 | |
| Education | <0.001 | ||||
| Lower | 94 | 56.6 | 244 | 29.6 | |
| Higher | 72 | 43.4 | 579 | 70.4 | |
| Self-perceived health | <0.001 | ||||
| Very good | 121 | 72.0 | 745 | 90.0 | |
| Not very good | 47 | 28.0 | 83 | 10.0 | |
Significant p values (p<0.001) are shown in bold.