| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1486 |
82.6%
|
| 2 | Did not smoke cigarettes | 74 |
4.1%
|
| 3 | Yes | 141 |
7.8%
|
| 4 | No | 97 |
5.4%
|
| Sysmiss | 265 |