| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6459 |
74.5%
|
| 2 | I don't smoke now | 1146 |
13.2%
|
| 3 | Yes | 912 |
10.5%
|
| 4 | No | 157 |
1.8%
|
| Sysmiss | 61 |