| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1013 |
60.4%
|
| 2 | Occasionally | 289 |
17.2%
|
| 3 | Often | 41 |
2.4%
|
| 4 | Quite often | 35 |
2.1%
|
| 5 | I have never smoked | 299 |
17.8%
|
| Sysmiss | 6 |