| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 177 | 
                                    
                                    14.8%
                                 | 
| 2 | Worse | 205 | 
                                    
                                    17.1%
                                 | 
| 3 | Same | 274 | 
                                    
                                    22.8%
                                 | 
| 4 | Better | 394 | 
                                    
                                    32.8%
                                 | 
| 5 | Much better | 110 | 
                                    
                                    9.2%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 40 | 
                                    
                                    3.3%
                                 |