| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1349 |
88.8%
|
| 2 | I did not smoke during the past year | 73 |
4.8%
|
| 3 | Yes | 70 |
4.6%
|
| 4 | No | 28 |
1.8%
|
| Sysmiss | 1 |