| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 145 | 
                                    
                                    12.1%
                                 | 
| 2 | Worse | 326 | 
                                    
                                    27.2%
                                 | 
| 3 | Same | 476 | 
                                    
                                    39.7%
                                 | 
| 4 | Better | 205 | 
                                    
                                    17.1%
                                 | 
| 5 | Much better | 28 | 
                                    
                                    2.3%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 19 | 
                                    
                                    1.6%
                                 |