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
Have you had physical reactions, such as sweating, trouble breathing, nausea,
Imputation and derivation
Imputation
Have you had physical reactions, such as sweating, trouble breathing, nausea,
Others
Security
Have you had physical reactions, such as sweating, trouble breathing, nausea,