| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1830 |
66.9%
|
| 2 | I did not smoke during the past 12 months | 382 |
14%
|
| 3 | Yes | 319 |
11.7%
|
| 4 | No | 205 |
7.5%
|
| Sysmiss | 53 |