| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 1844 |
77.3%
|
| 2 | I did not smoke during past year | 234 |
9.8%
|
| 3 | I tried to stop | 268 |
11.2%
|
| 4 | I did not try to stop | 40 |
1.7%
|
| Sysmiss | 18 |