Value |
Category |
-4 |
Missing data |
-3 |
Refused to answer |
-2 |
Not applicable |
-1 |
Don't know |
1 |
Improved |
2 |
Stayed the same |
3 |
Got worse |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.