| Value | Category | 
                                    
                    
                        | 0 | No bednet | 
                                    
                    
                        | 1 | Only treated bednets | 
                                    
                    
                        | 2 | Both treated and untreated bednets | 
                                    
                    
                        | 3 | Only untreated bednets | 
                            
            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.