| Value | Category |
|---|---|
| 1 | I have never smoked |
| 2 | I do not smoke anymore |
| 3 | No, in the morning when I wake up the first thing I want is not to smoke |
| 4 | Yes, sometimes in the morning when I wake up the first thing I want is to smoke |
| 5 | Yes, in the morning when I wake up always the first thing I want is to smoke |
| Sysmiss |