| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 3276 |
83.7%
|
| 2 | I don't smoke now. | 294 |
7.5%
|
| 3 | Very difficult. | 125 |
3.2%
|
| 4 | Fairly difficult. | 70 |
1.8%
|
| 5 | Fairly easy. | 44 |
1.1%
|
| 6 | Very easy. | 105 |
2.7%
|
| Sysmiss | 106 |