| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 4434 |
58.4%
|
| 2 | I don't smoke now. | 1837 |
24.2%
|
| 3 | Very difficult. | 279 |
3.7%
|
| 4 | Fairly difficult. | 261 |
3.4%
|
| 5 | Fairly easy. | 314 |
4.1%
|
| 6 | Very easy | 465 |
6.1%
|
| Sysmiss | 137 |