| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 5782 |
91.5%
|
| 2 | I don't smoke now. | 350 |
5.5%
|
| 3 | Very difficult. | 80 |
1.3%
|
| 4 | Fairly difficult. | 29 |
0.5%
|
| 5 | Fairly easy. | 27 |
0.4%
|
| 6 | Very easy. | 52 |
0.8%
|
| Sysmiss | 86 |