| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 2865 |
59.7%
|
| 2 | I don't smoke now. | 1237 |
25.8%
|
| 3 | Very difficult. | 176 |
3.7%
|
| 4 | Fairly difficult. | 115 |
2.4%
|
| 5 | Fairly easy. | 168 |
3.5%
|
| 6 | Very easy | 237 |
4.9%
|
| Sysmiss | 30 |