Value | Category |
---|---|
-99 | Refuse to answer |
-98 | Difficult to answer/Don't remember |
-97 | Don't know/No information |
-9 | Interrupted interview |
-7 | Legal Skip |
-3 | Interviewer error |
1 | Has improved significantly |
2 | Has improved |
3 | Has not changed |
4 | Has worsened |
Sysmiss |