| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1748 |
85.2%
|
| 2 | Did not smoke cigarettes | 96 |
4.7%
|
| 3 | Yes | 145 |
7.1%
|
| 4 | No | 62 |
3%
|
| Sysmiss | 69 |