| Value | Category | Cases | |
|---|---|---|---|
| 1 | I do not smoke now | 2161 |
78.2%
|
| 2 | Very difficult | 180 |
6.5%
|
| 3 | Fairly difficult | 42 |
1.5%
|
| 4 | Fairly easy | 34 |
1.2%
|
| 5 | Very easy | 346 |
12.5%
|
| Sysmiss | 47 |