| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3029 |
76.2%
|
| 2 | I did not smoke during the past 12 months | 376 |
9.5%
|
| 3 | Yes | 348 |
8.8%
|
| 4 | No | 224 |
5.6%
|
| Sysmiss | 17 |