| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4253 |
84.7%
|
| 2 | I did not smoke during the past 12 months | 476 |
9.5%
|
| 3 | Yes | 190 |
3.8%
|
| 4 | No | 103 |
2.1%
|
| Sysmiss | 9 |