| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 11556 |
72.4%
|
| 2 | I don't smoke now. | 1545 |
9.7%
|
| 3 | Very difficult. | 622 |
3.9%
|
| 4 | Fairly difficult. | 717 |
4.5%
|
| 5 | Fairly easy. | 723 |
4.5%
|
| 6 | Very easy | 805 |
5%
|
| Sysmiss | 870 |