| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4145 |
82.7%
|
| 2 | Did not smoke cigarettes | 259 |
5.2%
|
| 3 | Yes | 530 |
10.6%
|
| 4 | No | 78 |
1.6%
|
| Sysmiss | 278 |