| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 2193 |
48.6%
|
| 2 | I don't smoke now. | 1114 |
24.7%
|
| 3 | Very difficult. | 183 |
4.1%
|
| 4 | Fairly difficult. | 253 |
5.6%
|
| 5 | Fairly easy. | 336 |
7.5%
|
| 6 | Very easy | 430 |
9.5%
|
| Sysmiss | 13 |