| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke now | 1135 |
76.9%
|
| 2 | Very difficult | 55 |
3.7%
|
| 3 | Fairly difficult | 19 |
1.3%
|
| 4 | Fairly easy | 27 |
1.8%
|
| 5 | Very easy | 240 |
16.3%
|
| Sysmiss | 19 |