| Value | Category | 
                                    
                    
                        | 0 | No parent of person in household | 
                                    
                    
                        | 11 | Link to head or spouse, unambiguous | 
                                    
                    
                        | 12 | Link to head or spouse, ambiguous | 
                                    
                    
                        | 21 | Child-Grandchild, within empirical child cap | 
                                    
                    
                        | 22 | Child-Grandchild, within constructed child cap | 
                                    
                    
                        | 23 | Child-Grandchild, exceeds child cap | 
                                    
                    
                        | 31 | Specified Other Relatives, within empirical child cap | 
                                    
                    
                        | 32 | Specified Other Relatives, within constructed child cap | 
                                    
                    
                        | 33 | Specified Other Relatives, exceeds child cap | 
                                    
                    
                        | 41 | Other Relatives, within empirical child cap | 
                                    
                    
                        | 42 | Other Relatives, within constructed child cap | 
                                    
                    
                        | 51 | Non-Relatives, within empirical child cap | 
                                    
                    
                        | 52 | Non-Relatives, within constructed child cap | 
                            
            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.