| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4477 |
89.3%
|
| 2 | I have not stopped smoking | 101 |
2%
|
| 3 | It was very difficult | 38 |
0.8%
|
| 4 | It was rather difficult | 48 |
1%
|
| 5 | It was rather easy | 69 |
1.4%
|
| 6 | It was very easy | 280 |
5.6%
|
| Sysmiss | 18 |