| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1733 |
97%
|
| 2 | Did not smoke cigarettes | 19 |
1.1%
|
| 3 | Yes | 25 |
1.4%
|
| 4 | No | 10 |
0.6%
|
| Sysmiss | 149 |