| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1969 |
70.5%
|
| 2 | Did not smoke cigarettes | 289 |
10.3%
|
| 3 | Yes | 440 |
15.8%
|
| 4 | No | 95 |
3.4%
|
| Sysmiss | 89 |