| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing data | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 0 | Not at all well | 312 | 
                                                                 
                                    
                                    26%
                                 
                                                             | 
                                                        
                    
| 1 | Not very well | 134 | 
                                                                 
                                    
                                    11.2%
                                 
                                                             | 
                                                        
                    
| 2 | Well | 156 | 
                                                                 
                                    
                                    13%
                                 
                                                             | 
                                                        
                    
| 3 | Very well | 517 | 
                                                                 
                                    
                                    43.1%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 79 | 
                                                                 
                                    
                                    6.6%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |