| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1770 |
88.2%
|
| 2 | Did not smoke cigarettes | 67 |
3.3%
|
| 3 | Yes | 126 |
6.3%
|
| 4 | No | 44 |
2.2%
|
| Sysmiss | 115 |