Question pretext
    
                                    Respondent’s Socio Demographic Characteristics 
I would like to start by asking you some background questions before asking you questions on your health. This information is confidential and will only be used for research purposes.
            
            
 
    Literal question
    
                                    What is your weight in Kilos?
            
            
 
    Interviewer instructions
    
                                    For Q1004 – Q1007 use either the metric or the alternative system.