| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1021 |
55.5%
|
| 2 | I did not smoke during the past year | 299 |
16.2%
|
| 3 | Yes | 353 |
19.2%
|
| 4 | No | 168 |
9.1%
|
| Sysmiss | 7 |