| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8887 |
82.6%
|
| 2 | Did not smoke cigarettes | 497 |
4.6%
|
| 3 | Yes | 1238 |
11.5%
|
| 4 | No | 135 |
1.3%
|
| Sysmiss | 385 |