| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 4616 |
69.2%
|
| 2 | I don't smoke now. | 1249 |
18.7%
|
| 3 | Very difficult. | 309 |
4.6%
|
| 4 | Fairly difficult. | 152 |
2.3%
|
| 5 | Fairly easy. | 139 |
2.1%
|
| 6 | Very easy | 203 |
3%
|
| Sysmiss | 80 |