| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4382 |
81.4%
|
| 2 | I have not stopped smoking | 143 |
2.7%
|
| 3 | It was very difficult | 130 |
2.4%
|
| 4 | It was rather difficult | 123 |
2.3%
|
| 5 | It was rather easy | 206 |
3.8%
|
| 6 | It was very easy | 396 |
7.4%
|
| Sysmiss | 29 |