| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4184 |
87.1%
|
| 2 | I did not smoke during the past year | 176 |
3.7%
|
| 3 | Yes | 287 |
6%
|
| 4 | No | 155 |
3.2%
|
| Sysmiss | 18 |