| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4446 |
84.4%
|
| 2 | Did not smoke cigarettes | 312 |
5.9%
|
| 3 | Yes | 394 |
7.5%
|
| 4 | No | 114 |
2.2%
|
| Sysmiss | 127 |