| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1062 |
73.8%
|
| 2 | I did not smoke during the past 12 months | 128 |
8.9%
|
| 3 | Yes | 109 |
7.6%
|
| 4 | No | 140 |
9.7%
|
| Sysmiss | 3 |