| Value | Category | Cases | |
|---|---|---|---|
| 1 | improved | 926 | 
                                    
                                    52.1%
                                 | 
| 2 | stayed same | 361 | 
                                    
                                    20.3%
                                 | 
| 3 | worsened | 349 | 
                                    
                                    19.6%
                                 | 
| 7 | don't know | 141 | 
                                    
                                    7.9%
                                 | 
| 8 | refuse to answer | 2 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 376 |