Have you experienced shortness of breath that came on without obvious cause when you were not exercising or doing some physical activity?
Categories
Value
Category
M
N
Y
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.
Interviewer instructions
Interviewer: Now I would like to ask you about some health symptoms you may have experienced, and the treatment or medical care received