| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 53 | 
                                    
                                    2.2%
                                 | 
| 2 | Worse | 138 | 
                                    
                                    5.8%
                                 | 
| 3 | Same | 742 | 
                                    
                                    30.9%
                                 | 
| 4 | Better | 920 | 
                                    
                                    38.3%
                                 | 
| 5 | Much better | 503 | 
                                    
                                    21%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 43 | 
                                    
                                    1.8%
                                 |