| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 3529 |
58.5%
|
| 2 | I don't smoke now. | 849 |
14.1%
|
| 3 | Fairly difficult. | 548 |
9.1%
|
| 4 | Vey difficult. | 513 |
8.5%
|
| 5 | Fairly easy. | 291 |
4.8%
|
| 6 | Very easy | 304 |
5%
|
| Sysmiss | 186 |