| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2286 |
95.7%
|
| 2 | Did not smoke cigarettes | 43 |
1.8%
|
| 3 | Yes | 40 |
1.7%
|
| 4 | No | 20 |
0.8%
|
| Sysmiss | 179 |