| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8661 |
94.3%
|
| 2 | Did not smoke cigarettes | 243 |
2.6%
|
| 3 | Yes | 95 |
1%
|
| 4 | No | 184 |
2%
|
| Sysmiss | 531 |