| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1291 |
59.3%
|
| 2 | I am an ex-smoker | 393 |
18.1%
|
| 3 | I am an occasional smoker | 395 |
18.1%
|
| 4 | I smoke frequently | 82 |
3.8%
|
| 5 | I smoke daily | 16 |
0.7%
|
| Sysmiss | 9 |