| Value | Category | Cases | |
|---|---|---|---|
| 1 | You smoke | 14 |
4.4%
|
| 2 | You used to smoke but don't smoke now | 15 |
4.7%
|
| 3 | You have never smoked | 286 |
90.5%
|
| 9 | Missing | 1 |
0.3%
|