| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1522 |
67.1%
|
| 2 | Occasionally | 265 |
11.7%
|
| 3 | Often | 47 |
2.1%
|
| 4 | Quite often | 41 |
1.8%
|
| 5 | I have never smoked | 392 |
17.3%
|
| Sysmiss | 20 |