| Value | Category | 
                                    
                    
                        | 1 | Neither | 
                                    
                    
                        | 2 | My father or male guardian | 
                                    
                    
                        | 3 | My mother or female guardian | 
                                    
                    
                        | 4 | Both | 
                                    
                    
                        | 5 | I do not know | 
                                    
                    
                        | 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.