| Value | Category |
|---|---|
| -4 | Missing information / Missing data |
| -3 | Refused to answer |
| -2 | Not applicable |
| -1 | Don't know |
| 1 | Did not want or need to |
| 2 | Transport costs |
| 3 | Had no money to pay for consultations |
| 5 | Would lose pay from work |
| 6 | Too long to wait |
| 7 | Consulted the previous month |