| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1119 |
66.1%
|
| 2 | Occasionally | 214 |
12.6%
|
| 3 | Often | 31 |
1.8%
|
| 4 | Quite often | 29 |
1.7%
|
| 5 | I have never smoked | 299 |
17.7%
|
| Sysmiss | 12 |