| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2897 |
92.1%
|
| 2 | Did not smoke cigarettes | 81 |
2.6%
|
| 3 | Yes | 125 |
4%
|
| 4 | No | 42 |
1.3%
|
| Sysmiss | 148 |