| Value | Category | 
                                    
                    
                        | 1 | Prefer not to answer | 
                                    
                    
                        | 2 | Yes, part of extended family formally | 
                                    
                    
                        | 3 | Yes, part of nuclear family | 
                                    
                    
                        | Missing value |  | 
                            
            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.