| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1637 |
79.7%
|
| 2 | I have not stopped smoking | 65 |
3.2%
|
| 3 | It was very difficult | 70 |
3.4%
|
| 4 | It was rather difficult | 43 |
2.1%
|
| 5 | It was rather easy | 74 |
3.6%
|
| 6 | It was very easy | 164 |
8%
|
| Sysmiss | 54 |