| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 7972 |
56.8%
|
| 2 | I don't smoke now. | 2954 |
21%
|
| 3 | Very difficult. | 628 |
4.5%
|
| 4 | Fairly difficult. | 602 |
4.3%
|
| 5 | Fairly easy. | 798 |
5.7%
|
| 6 | Very easy | 1084 |
7.7%
|
| Sysmiss | 74 |