| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 91 | 
                                    
                                    7.6%
                                 | 
| 2 | Worse | 298 | 
                                    
                                    24.8%
                                 | 
| 3 | Same | 312 | 
                                    
                                    26%
                                 | 
| 4 | Better | 442 | 
                                    
                                    36.8%
                                 | 
| 5 | Much better | 44 | 
                                    
                                    3.7%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don’t know | 12 | 
                                    
                                    1%
                                 |