| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 983 |
52.1%
|
| 2 | I did not smoke during the past year | 336 |
17.8%
|
| 3 | Yes | 343 |
18.2%
|
| 4 | No | 226 |
12%
|
| Sysmiss | 11 |