| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2003 |
90.6%
|
| 2 | I have not stopped smoking | 56 |
2.5%
|
| 3 | It was very difficult | 28 |
1.3%
|
| 4 | It was rather difficult | 22 |
1%
|
| 5 | It was rather easy | 32 |
1.4%
|
| 6 | It was very easy | 71 |
3.2%
|
| Sysmiss | 8 |