| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1766 |
76.2%
|
| 2 | Did not smoke cigarettes | 247 |
10.7%
|
| 3 | Yes | 191 |
8.2%
|
| 4 | No | 114 |
4.9%
|
| Sysmiss | 37 |