| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1080 |
52.9%
|
| 2 | I did not smoke during the past 12 months | 479 |
23.4%
|
| 3 | Yes | 253 |
12.4%
|
| 4 | No | 231 |
11.3%
|
| Sysmiss | 9 |