| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not use an e-cigarette during the past 30 days | 1756 |
74.6%
|
| 2 | Less than 1 bottle per week | 337 |
14.3%
|
| 3 | 1-2 bottles per week | 153 |
6.5%
|
| 4 | 3-4 bottles per week | 60 |
2.5%
|
| 5 | 5-6 bottles per week | 27 |
1.1%
|
| 6 | More than 7 bottles per week | 22 |
0.9%
|
| Sysmiss | 151 |