| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1740 |
81.4%
|
| 2 | Did not smoke cigarettes | 170 |
8%
|
| 3 | Yes | 170 |
8%
|
| 4 | No | 58 |
2.7%
|
| Sysmiss | 210 |