Value |
Category |
1 |
Much worse |
2 |
Worse |
3 |
About the same |
4 |
Better |
5 |
Much better |
9 |
Don't know |
98 |
Refused |
99 |
Missing data |
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.