| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2388 |
82.3%
|
| 2 | Did not smoke cigarettes | 145 |
5%
|
| 3 | Yes | 323 |
11.1%
|
| 4 | No | 44 |
1.5%
|
| Sysmiss | 174 |