| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1845 |
89.8%
|
| 2 | I did not smoke during the past year | 139 |
6.8%
|
| 3 | Yes | 42 |
2%
|
| 4 | No | 29 |
1.4%
|
| Sysmiss | 57 |