| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 980 |
72.5%
|
| 2 | I did not smoke during the past 12 months | 212 |
15.7%
|
| 3 | Yes | 94 |
7%
|
| 4 | No | 65 |
4.8%
|
| Sysmiss | 5 |