| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1324 |
64.7%
|
| 2 | Occasionally | 248 |
12.1%
|
| 3 | Often | 51 |
2.5%
|
| 4 | Quite often | 21 |
1%
|
| 5 | I have never smoked | 401 |
19.6%
|
| Sysmiss | 21 |