| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4637 |
80.7%
|
| 2 | I do not smoke now | 637 |
11.1%
|
| 3 | Yes | 304 |
5.3%
|
| 4 | No | 167 |
2.9%
|
| Sysmiss | 128 |