| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much worse | 21 | 
                                    
                                    1.8%
                                 | 
| 2 | Worse | 71 | 
                                    
                                    5.9%
                                 | 
| 3 | Same | 102 | 
                                    
                                    8.5%
                                 | 
| 4 | Better | 405 | 
                                    
                                    33.8%
                                 | 
| 5 | Much better | 184 | 
                                    
                                    15.3%
                                 | 
| 6 | Don't know | 346 | 
                                    
                                    28.8%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 65 | 
                                    
                                    5.4%
                                 |