| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1648 |
77.8%
|
| 2 | I have not stopped smoking | 111 |
5.2%
|
| 3 | It was very difficult | 66 |
3.1%
|
| 4 | It was rather difficult | 37 |
1.7%
|
| 5 | It was rather easy | 72 |
3.4%
|
| 6 | It was very easy | 184 |
8.7%
|
| Sysmiss | 2 |