| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have not used electronic cigarettes in the last 30 days | 0 |
0%
|
| 2 | 1 time per day | 316 |
35.3%
|
| 3 | 2 times per day | 159 |
17.8%
|
| 4 | 3 times per day | 116 |
13%
|
| 5 | 4 or more times per day | 304 |
34%
|
| Sysmiss | 3179 |