| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7237 |
87.8%
|
| 2 | I did not smoke during the past year | 466 |
5.7%
|
| 3 | Yes | 288 |
3.5%
|
| 4 | No | 250 |
3%
|
| Sysmiss | 284 |