| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 375 | 
                                    
                                    31.3%
                                 | 
| 2 | Worse | 296 | 
                                    
                                    24.7%
                                 | 
| 3 | Same | 161 | 
                                    
                                    13.4%
                                 | 
| 4 | Better | 261 | 
                                    
                                    21.8%
                                 | 
| 5 | Much better | 89 | 
                                    
                                    7.4%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 18 | 
                                    
                                    1.5%
                                 |