| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 284 | 
                                    
                                    23.7%
                                 | 
| 2 | Worse | 359 | 
                                    
                                    29.9%
                                 | 
| 3 | Same | 343 | 
                                    
                                    28.6%
                                 | 
| 4 | Better | 131 | 
                                    
                                    10.9%
                                 | 
| 5 | Much better | 16 | 
                                    
                                    1.3%
                                 | 
| 8 | Refused | 3 | 
                                    
                                    0.3%
                                 | 
| 9 | Don’t know | 64 | 
                                    
                                    5.3%
                                 |