| Value | Category | 
                                    
                    
                        | 0 | Did not sleep under a net | 
                                    
                    
                        | 1 | Only treated (ITN) nets | 
                                    
                    
                        | 2 | Both treated (ITN) and untreated nets | 
                                    
                    
                        | 3 | Only untreated nets | 
                            
            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.