| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 200 | 
                                    
                                    8.3%
                                 | 
| 2 | Worse | 674 | 
                                    
                                    28.1%
                                 | 
| 3 | Same | 571 | 
                                    
                                    23.8%
                                 | 
| 4 | Better | 777 | 
                                    
                                    32.4%
                                 | 
| 5 | Much better | 117 | 
                                    
                                    4.9%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 61 | 
                                    
                                    2.5%
                                 |