| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 71 | 
                                    
                                    3%
                                 | 
| 2 | Worse | 218 | 
                                    
                                    9.1%
                                 | 
| 3 | Same | 1072 | 
                                    
                                    44.7%
                                 | 
| 4 | Better | 813 | 
                                    
                                    33.9%
                                 | 
| 5 | Much better | 165 | 
                                    
                                    6.9%
                                 | 
| 7 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 60 | 
                                    
                                    2.5%
                                 |