| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1230 |
65.8%
|
| 2 | Occasionally | 237 |
12.7%
|
| 3 | Often | 55 |
2.9%
|
| 4 | Quite often | 29 |
1.6%
|
| 5 | I have never smoked | 318 |
17%
|
| Sysmiss | 22 |