| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 4506 |
67.9%
|
| 2 | I don't smoke now. | 1223 |
18.4%
|
| 3 | Very difficult. | 326 |
4.9%
|
| 4 | Fairly difficult. | 166 |
2.5%
|
| 5 | Fairly easy. | 124 |
1.9%
|
| 6 | Very easy | 287 |
4.3%
|
| Sysmiss | 116 |