| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1107 |
84.4%
|
| 2 | I have not stopped smoking | 47 |
3.6%
|
| 3 | It was very difficult | 10 |
0.8%
|
| 4 | It was rather difficult | 15 |
1.1%
|
| 5 | It was rather easy | 36 |
2.7%
|
| 6 | It was very easy | 96 |
7.3%
|
| Sysmiss | 34 |