| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1951 |
66.3%
|
| 2 | Did not smoke cigarettes | 358 |
12.2%
|
| 3 | Yes | 390 |
13.3%
|
| 4 | No | 243 |
8.3%
|
| Sysmiss | 25 |