| Value | Category | 
                                    
                    
                        | 1 | completed | 
                                    
                    
                        | 2 | m/g refused, give reasons at q12 | 
                                    
                    
                        | 3 | child refused | 
                                    
                    
                        | 4 | other specify | 
                                    
                    
                        | 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.