| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1128 |
66.5%
|
| 2 | Occasionally | 242 |
14.3%
|
| 3 | Often | 49 |
2.9%
|
| 4 | Quite often | 25 |
1.5%
|
| 5 | I have never smoked | 251 |
14.8%
|
| Sysmiss | 9 |