| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1977 |
89.1%
|
| 2 | I do not smoke now | 116 |
5.2%
|
| 3 | Very difficult | 32 |
1.4%
|
| 4 | Fairly difficult | 21 |
0.9%
|
| 5 | Fairly easy | 25 |
1.1%
|
| 6 | Very easy | 48 |
2.2%
|
| Sysmiss | 1 |