| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2475 |
73.3%
|
| 2 | I have not stopped smoking | 294 |
8.7%
|
| 3 | It was very difficult | 39 |
1.2%
|
| 4 | It was rather difficult | 66 |
2%
|
| 5 | It was rather easy | 184 |
5.4%
|
| 6 | It was very easy | 320 |
9.5%
|
| Sysmiss | 22 |