| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 593 | 
                                    
                                    49.4%
                                 | 
| 2 | Worse | 319 | 
                                    
                                    26.6%
                                 | 
| 3 | Same | 158 | 
                                    
                                    13.2%
                                 | 
| 4 | Better | 89 | 
                                    
                                    7.4%
                                 | 
| 5 | Much better | 32 | 
                                    
                                    2.7%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 9 | 
                                    
                                    0.8%
                                 |