| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1587 |
62.5%
|
| 2 | Did not smoke cigarettes | 327 |
12.9%
|
| 3 | Yes | 427 |
16.8%
|
| 4 | No | 197 |
7.8%
|
| Sysmiss | 177 |