| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke now | 3631 |
87.4%
|
| 2 | Very difficult | 231 |
5.6%
|
| 3 | Fairly difficult | 45 |
1.1%
|
| 4 | Fairly easy | 57 |
1.4%
|
| 5 | Very easy | 191 |
4.6%
|
| Sysmiss | 165 |