| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 97 | 
                                    
                                    8.1%
                                 | 
| 2 | Worse | 235 | 
                                    
                                    19.6%
                                 | 
| 3 | Same | 261 | 
                                    
                                    21.8%
                                 | 
| 4 | Better | 386 | 
                                    
                                    32.2%
                                 | 
| 5 | Much better | 59 | 
                                    
                                    4.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 162 | 
                                    
                                    13.5%
                                 |