How did you treat your drinking water last month? Chemical?
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.
If the household did treat the drinking water in some way during the last month (Code 1 or 2 in question17), then ask for each method that can be used for treating water. The answers can be Yes or No for any method. Ask for each of the methods:
c. DID you use chemicals to treat your drinking water last month?