| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2890 |
83.7%
|
| 2 | Did not smoke cigarettes | 151 |
4.4%
|
| 3 | Yes | 367 |
10.6%
|
| 4 | No | 43 |
1.2%
|
| Sysmiss | 180 |