| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 923 |
48.2%
|
| 2 | I did not smoke during the past year | 359 |
18.8%
|
| 3 | Yes | 437 |
22.8%
|
| 4 | No | 195 |
10.2%
|
| Sysmiss | 7 |