| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1594 |
78.8%
|
| 2 | I have not stopped smoking | 139 |
6.9%
|
| 3 | It was very difficult | 70 |
3.5%
|
| 4 | It was rather difficult | 45 |
2.2%
|
| 5 | It was rather easy | 72 |
3.6%
|
| 6 | It was very easy | 104 |
5.1%
|
| Sysmiss | 23 |