| Value | Category | 
                                    
                    
                        | 1 | In the same village | 
                                    
                    
                        | 2 | In the same sub-district | 
                                    
                    
                        | 3 | In the same district/city | 
                                    
                    
                        | 4 | Outside the district/city | 
                                    
                    
                        | 11 | .Z | 
                                    
                    
                        | 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.