| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7369 |
94.1%
|
| 2 | Did not smoke cigarettes | 185 |
2.4%
|
| 3 | Yes | 158 |
2%
|
| 4 | No | 117 |
1.5%
|
| Sysmiss | 301 |