| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2124 |
79%
|
| 2 | Did not smoke cigarettes | 306 |
11.4%
|
| 3 | Yes | 171 |
6.4%
|
| 4 | No | 89 |
3.3%
|
| Sysmiss | 121 |