| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2161 |
81.5%
|
| 2 | I do not smoke now | 265 |
10%
|
| 3 | Yes | 193 |
7.3%
|
| 4 | No | 33 |
1.2%
|
| Sysmiss | 14 |