| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1294 |
82.5%
|
| 2 | Did not smoke cigarettes | 189 |
12.1%
|
| 3 | Yes | 39 |
2.5%
|
| 4 | No | 46 |
2.9%
|
| Sysmiss | 234 |