| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 210 | 
                                    
                                    17.5%
                                 | 
| 2 | Worse | 304 | 
                                    
                                    25.3%
                                 | 
| 3 | Same | 344 | 
                                    
                                    28.7%
                                 | 
| 4 | Better | 303 | 
                                    
                                    25.3%
                                 | 
| 5 | Much better | 34 | 
                                    
                                    2.8%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 5 | 
                                    
                                    0.4%
                                 |