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.
Description
Source of information
Where did you obtain the mask that you have used most in the last 7 days?
Imputation and derivation
Imputation
Where did you obtain the mask that you have used most in the last 7 days?
Others
Security
Where did you obtain the mask that you have used most in the last 7 days?