| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke now | 3019 |
75.3%
|
| 2 | Very difficult | 197 |
4.9%
|
| 3 | Fairly difficult | 179 |
4.5%
|
| 4 | Fairly easy | 245 |
6.1%
|
| 5 | Very easy | 368 |
9.2%
|
| Sysmiss | 34 |