| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 64 | 
                                    
                                    2.7%
                                 | 
| 2 | Worse | 149 | 
                                    
                                    6.2%
                                 | 
| 3 | Same | 180 | 
                                    
                                    7.5%
                                 | 
| 4 | Better | 1047 | 
                                    
                                    43.6%
                                 | 
| 5 | Much better | 590 | 
                                    
                                    24.6%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 370 | 
                                    
                                    15.4%
                                 |