| Value | Category |
|---|---|
| -1 | Missing data |
| 1 | Refused to be interviewed |
| 2 | Person selected was never at home |
| 3 | Household/Premises empty for the survey period |
| 4 | Not a citizen/Spoke only a foreign language |
| 5 | Deaf/Did not speak a survey language |
| 6 | Did not fit gender quota |
| 7 | Other |
| 997 | Not Applicable |