| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1335 |
75.3%
|
| 2 | Did not smoke cigarettes | 126 |
7.1%
|
| 3 | Yes | 255 |
14.4%
|
| 4 | No | 58 |
3.3%
|
| Sysmiss | 235 |