| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 1981 |
38.2%
|
| 2 | I don't smoke now. | 1486 |
28.7%
|
| 3 | Very difficult. | 301 |
5.8%
|
| 4 | Fairly difficult. | 493 |
9.5%
|
| 5 | Fairly easy. | 469 |
9%
|
| 6 | Very easy. | 453 |
8.7%
|
| Sysmiss | 161 |