| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1449 |
38.1%
|
| 2 | I do not smoke | 281 |
7.4%
|
| 3 | Very difficult. | 367 |
9.7%
|
| 4 | Fairly difficult. | 373 |
9.8%
|
| 5 | Fairly easy. | 454 |
12%
|
| 6 | Very easy | 875 |
23%
|
| Sysmiss | 36 |