| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1173 |
78.5%
|
| 2 | I don't smoke now | 131 |
8.8%
|
| 3 | Yes | 169 |
11.3%
|
| 4 | No | 21 |
1.4%
|
| Sysmiss | 38 |