| Value | Category |
|---|---|
| 1 | I don't use kouben |
| 2 | No, I don't use or feel like using kouben first thing in the morning |
| 3 | Yes, I sometimes use or feel like using kouben first thing in the morning |
| 4 | Yes, I always use or feel like using kouben first thing in the morning |
| Sysmiss |