| Value | Category | 
                                    
                    
                        | 1 | Much worse now | 
                                    
                    
                        | 2 | Worse now | 
                                    
                    
                        | 3 | Same/no change | 
                                    
                    
                        | 4 | Better now | 
                                    
                    
                        | 5 | Much better now | 
                                    
                    
                        | 6 | Not applicable | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.