| Value | Category | 
                                    
                    
                        | 1 | Pas iode 0 PPM | 
                                    
                    
                        | 2 | Moins de 25 PPM | 
                                    
                    
                        | 3 | 15 PPM et plus | 
                                    
                    
                        | 6 | Pas de sel a la maison | 
                                    
                    
                        | 7 | Sel non teste | 
                                    
                    
                        | 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.