| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 909 |
50.2%
|
| 2 | I am an ex-smoker | 342 |
18.9%
|
| 3 | I am an occasional smoker | 486 |
26.9%
|
| 4 | I smoke frequently | 55 |
3%
|
| 5 | I smoke daily | 18 |
1%
|
| Sysmiss | 13 |