Have you ever been given a breathing test to diagnose
your COPD, chronic bronchitis, or emphysema?

Response Unweighted Frequency Weighted Percentage Standard Error 95% Confidence Limit
Lower Upper
Yes 354 83.3 2.5 78.5 88.1
No 72 16.7 2.5 11.9 21.5

Among respondents who reported having ever been told by
a doctor, nurse, or other health professional that they had
Chronic Obstructive Pulmonary Disease (COPD),
excluding unknowns and refusals.
 
On Questionnaire Split A