| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much worse | 14 | 
                                    
                                    1.2%
                                 | 
| 2 | Worse | 40 | 
                                    
                                    3.3%
                                 | 
| 3 | Same | 56 | 
                                    
                                    4.7%
                                 | 
| 4 | Better | 455 | 
                                    
                                    37.9%
                                 | 
| 5 | Much better | 228 | 
                                    
                                    19%
                                 | 
| 6 | Don't know | 338 | 
                                    
                                    28.2%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 63 | 
                                    
                                    5.3%
                                 |