| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 4907 |
87%
|
| 2 | I didn't stop smoking. | 123 |
2.2%
|
| 3 | It was very difficult. | 74 |
1.3%
|
| 4 | It was rather difficult. | 48 |
0.9%
|
| 5 | It was rather easy. | 130 |
2.3%
|
| 6 | It was very easy. | 361 |
6.4%
|
| Sysmiss | 80 |