| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 2600 |
57.5%
|
| 2 | I don't smoke now. | 729 |
16.1%
|
| 3 | Very difficult. | 335 |
7.4%
|
| 4 | Fairly difficult. | 390 |
8.6%
|
| 5 | Fairly easy. | 421 |
9.3%
|
| 6 | Very easy. | 50 |
1.1%
|
| Sysmiss | 18 |