| Value | Category | Cases | |
|---|---|---|---|
| 1 | You smoke | 36 |
3.3%
|
| 2 | You used to smoke but don't smoke now | 63 |
5.8%
|
| 3 | You have never smoked | 990 |
90.8%
|
| 9 | Missing | 1 |
0.1%
|