| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 2237 |
58.4%
|
| 2 | I don't smoke now. | 771 |
20.1%
|
| 3 | Very difficult. | 230 |
6%
|
| 4 | Fairly difficult. | 216 |
5.6%
|
| 5 | Fairly easy. | 201 |
5.2%
|
| 6 | Very easy | 177 |
4.6%
|
| Sysmiss | 29 |