| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1769 |
97.3%
|
| 2 | Did not smoke cigarettes | 19 |
1%
|
| 3 | Yes | 18 |
1%
|
| 4 | No | 12 |
0.7%
|
| Sysmiss | 100 |