| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2303 |
92.4%
|
| 2 | Did not smoke cigarettes | 69 |
2.8%
|
| 3 | Yes | 92 |
3.7%
|
| 4 | No | 28 |
1.1%
|
| Sysmiss | 198 |