| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 8961 |
76.5%
|
| 2 | I do not smoke now | 1805 |
15.4%
|
| 3 | Very difficult. | 301 |
2.6%
|
| 4 | Fairly difficult. | 212 |
1.8%
|
| 5 | Fairly easy. | 211 |
1.8%
|
| 6 | Very easy | 226 |
1.9%
|
| Sysmiss | 56 |