| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Working mother | 
                                    
                    
                        | 2 | Inadequate breast milk | 
                                    
                    
                        | 3 | Doctors'/nurse' advice | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 9 | Others | 
                                    
                    
                        | 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.