| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 971 |
70%
|
| 2 | Did not smoke cigarettes | 64 |
4.6%
|
| 3 | Yes | 318 |
22.9%
|
| 4 | No | 35 |
2.5%
|
| Sysmiss | 194 |