| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1573 |
74.1%
|
| 2 | I don't smoke now | 243 |
11.4%
|
| 3 | Yes | 251 |
11.8%
|
| 4 | No | 56 |
2.6%
|
| Sysmiss | 10 |