| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2503 |
62.2%
|
| 2 | I did not smoke during the past 12 months | 531 |
13.2%
|
| 3 | Yes | 589 |
14.6%
|
| 4 | No | 401 |
10%
|
| Sysmiss | 18 |