| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2068 |
77.7%
|
| 2 | Did not smoke cigarettes | 359 |
13.5%
|
| 3 | Yes | 149 |
5.6%
|
| 4 | No | 84 |
3.2%
|
| Sysmiss | 105 |