| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke e-cigarette | 6087 |
61.1%
|
| 2 | Yes | 600 |
6%
|
| 3 | No | 593 |
6%
|
| 4 | I do not know | 2685 |
26.9%
|
| Sysmiss | 27 |