| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2960 |
79%
|
| 2 | I did not smoke during the past year | 281 |
7.5%
|
| 3 | Yes | 308 |
8.2%
|
| 4 | No | 197 |
5.3%
|
| Sysmiss | 83 |