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.
Question pretext
Respiratory Health questions
The following set of questions will help us understand more about your lung function.
Question post text
Please note that you will have been asked to bring your inhaled medication with you today.
Interviewer instructions
N/A
Description
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This is whether the participant uses any inhaled medication using a puffer