| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2126 |
78.1%
|
| 2 | Did not smoke cigarettes | 249 |
9.2%
|
| 3 | Yes | 247 |
9.1%
|
| 4 | No | 99 |
3.6%
|
| Sysmiss | 166 |