| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 934 |
56.5%
|
| 2 | Occasionally | 326 |
19.7%
|
| 3 | Often | 74 |
4.5%
|
| 4 | Quite often | 48 |
2.9%
|
| 5 | I have never smoked | 272 |
16.4%
|
| Sysmiss | 13 |