| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1687 |
82.4%
|
| 2 | Did not smoke cigarettes | 103 |
5%
|
| 3 | Yes | 53 |
2.6%
|
| 4 | No | 205 |
10%
|
| Sysmiss | 194 |