| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1224 |
82.8%
|
| 2 | Did not smoke cigarettes | 60 |
4.1%
|
| 3 | Yes | 160 |
10.8%
|
| 4 | No | 34 |
2.3%
|
| Sysmiss | 117 |