| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1659 |
75.5%
|
| 2 | I have not stopped smoking | 101 |
4.6%
|
| 3 | It was very difficult | 38 |
1.7%
|
| 4 | It was rather difficult | 35 |
1.6%
|
| 5 | It was rather easy | 163 |
7.4%
|
| 6 | It was very easy | 202 |
9.2%
|
| Sysmiss | 14 |