| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 11537 |
71.6%
|
| 2 | I don't smoke now. | 1590 |
9.9%
|
| 3 | Very difficult. | 814 |
5%
|
| 4 | Fairly difficult. | 942 |
5.8%
|
| 5 | Fairly easy. | 663 |
4.1%
|
| 6 | Very easy | 574 |
3.6%
|
| Sysmiss | 718 |