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 515 79.1 2.2 74.9 83.4
No 136 20.9 2.2 16.6 25.1

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
 
ASKED ONLY TO LANDLINE SURVEY RESPONDENTS