| Value | Category | 
                                    
                    
                        | 1 | Probleme dans la poitrine | 
                                    
                    
                        | 2 | Nez bouche | 
                                    
                    
                        | 3 | Tous les deux | 
                                    
                    
                        | 6 | Autre | 
                                    
                    
                        | 8 | NSP | 
                                    
                    
                        | 9 | Manquant | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.