| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2224 |
49.5%
|
| 2 | I do not smoke | 970 |
21.6%
|
| 3 | Very difficult. | 211 |
4.7%
|
| 4 | Fairly difficult. | 200 |
4.5%
|
| 5 | Fairly easy. | 249 |
5.5%
|
| 6 | Very easy | 636 |
14.2%
|
| Sysmiss | 14 |