Question pretext
    
                                    When child completes 18 months of age
            
            
 
    Literal question
    
                                    DPT (first booster dose) (DPT)
            
            
 
    Categories
    
            
            
                
                    | Value | Category | 
                                    
                    
                        | 1 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 3 |  | 
                                    
                    
                        | 4 |  | 
                                    
                    
                        | 5 |  | 
                                    
                    
                        | 6 |  | 
                                    
                    
                        | 7 |  | 
                                    
                    
                        | 8 |  | 
                                    
                    
                        | 9 |  | 
                                    
                    
                        | 10 |  | 
                                    
                    
                        | 11 |  | 
                                    
                    
                        | 12 |  | 
                                    
                    
                        | 99 | Missing | 
                                    
                    
                        | 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.
     
 
    Interviewer instructions
    
                                    (a) Copy dates for each vaccination from the card. 
(b) Write '44' in day column if card shows that vaccination was given but no date recorded.