| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke now | 3893 |
76.5%
|
| 2 | Very difficult | 239 |
4.7%
|
| 3 | Fairly difficult | 228 |
4.5%
|
| 4 | Fairly easy | 276 |
5.4%
|
| 5 | Very easy | 455 |
8.9%
|
| Sysmiss | 63 |