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.
Record the correct code for the material of the dwelling walls, based on your observation. You will be able to observe the correct answer in most cases, but if in doubt, ask. If there is more than one kind of material making up the walls, record the main wall material (the material that covers the largest amount of wall space).
Source of information
Head of household or other responsible household member