| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1167 |
85.6%
|
| 2 | I have not stopped smoking | 44 |
3.2%
|
| 3 | It was very difficult | 8 |
0.6%
|
| 4 | It was rather difficult | 8 |
0.6%
|
| 5 | It was rather easy | 52 |
3.8%
|
| 6 | It was very easy | 84 |
6.2%
|
| Sysmiss | 16 |