| Value | Category | Cases | |
|---|---|---|---|
| 1 | More comfortable | 1043 |
21.9%
|
| 2 | Less comfortable | 2018 |
42.4%
|
| 3 | No difference from non-smokers/non-chewers | 1698 |
35.7%
|
| Sysmiss | 61 |