| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2726 |
86.4%
|
| 2 | I did not smoke during the past year | 204 |
6.5%
|
| 3 | Yes | 116 |
3.7%
|
| 4 | No | 108 |
3.4%
|
| Sysmiss | 32 |