| Value | Category | Cases | |
|---|---|---|---|
| 1 | Your own mouthpiece only | 79 |
6.4%
|
| 2 | A shared mouthpiece | 84 |
6.9%
|
| 3 | Both | 35 |
2.9%
|
| 4 | I do not smoke shisha | 1028 |
83.8%
|
| Sysmiss | 35 |