| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2435 |
91.9%
|
| 2 | Did not smoke cigarettes | 73 |
2.8%
|
| 3 | Yes | 105 |
4%
|
| 4 | No | 37 |
1.4%
|
| Sysmiss | 274 |