| Value | Category | 
                                    
                    
                        | 0 | Same day as fever/convulsion | 
                                    
                    
                        | 1 | Next day | 
                                    
                    
                        | 2 | 2 days after | 
                                    
                    
                        | 3 | 3 days after | 
                                    
                    
                        | 4 | 4+ days after | 
                                    
                    
                        | 5 | 3 days or more after fever | 
                                    
                    
                        | 8 | Don't know | 
                            
            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.