| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1419 |
77.7%
|
| 2 | I have not stopped smoking | 91 |
5%
|
| 3 | It was very difficult | 41 |
2.2%
|
| 4 | It was rather difficult | 27 |
1.5%
|
| 5 | It was rather easy | 125 |
6.8%
|
| 6 | It was very easy | 124 |
6.8%
|
| Sysmiss | 11 |