| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes. | 3343 |
84.7%
|
| 2 | I didn't stop smoking. | 192 |
4.9%
|
| 3 | It was very difficult. | 90 |
2.3%
|
| 4 | It was fairly difficult. | 62 |
1.6%
|
| 5 | It was fairly easy. | 82 |
2.1%
|
| 6 | It was very easy. | 178 |
4.5%
|
| Sysmiss | 73 |