| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 78 | 
                                    
                                    6.5%
                                 | 
| 2 | Worse | 172 | 
                                    
                                    14.3%
                                 | 
| 3 | Same | 245 | 
                                    
                                    20.4%
                                 | 
| 4 | Better | 462 | 
                                    
                                    38.5%
                                 | 
| 5 | Much better | 238 | 
                                    
                                    19.8%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 5 | 
                                    
                                    0.4%
                                 |