| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1171 |
74.1%
|
| 2 | Did not smoke cigarettes | 153 |
9.7%
|
| 3 | Yes | 143 |
9.1%
|
| 4 | No | 113 |
7.2%
|
| Sysmiss | 224 |