| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much worse | 42 | 
                                    
                                    3.5%
                                 | 
| 2 | Worse | 110 | 
                                    
                                    9.2%
                                 | 
| 3 | Same | 83 | 
                                    
                                    6.9%
                                 | 
| 4 | Better | 395 | 
                                    
                                    32.9%
                                 | 
| 5 | Much better | 149 | 
                                    
                                    12.4%
                                 | 
| 6 | Don't know | 352 | 
                                    
                                    29.3%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 63 | 
                                    
                                    5.3%
                                 |