| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 1121 |
79.1%
|
| 2 | I don't smoke now. | 175 |
12.3%
|
| 3 | Very difficult. | 21 |
1.5%
|
| 4 | Fairly difficult. | 14 |
1%
|
| 5 | Fairly easy. | 39 |
2.8%
|
| 6 | Very easy | 48 |
3.4%
|
| Sysmiss | 33 |