| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1979 |
89.6%
|
| 2 | I do not smoke now | 124 |
5.6%
|
| 3 | Very difficult | 27 |
1.2%
|
| 4 | Fairly difficult | 16 |
0.7%
|
| 5 | Fairly easy | 23 |
1%
|
| 6 | Very easy | 39 |
1.8%
|
| Sysmiss | 12 |