| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2455 |
81.9%
|
| 2 | Did not smoke cigarettes | 208 |
6.9%
|
| 3 | Yes | 202 |
6.7%
|
| 4 | No | 134 |
4.5%
|
| Sysmiss | 228 |