| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used e-cigarettes | 6396 |
92.6%
|
| 2 | I did not use e-cigarettes during the past 12 months | 264 |
3.8%
|
| 3 | Yes, I tried to stop | 148 |
2.1%
|
| 4 | No, I didn't try to stop | 97 |
1.4%
|
| Sysmiss | 78 |