Has a doctor, nurse, or other health professional EVER told you that you have
chronic obstructive pulmonary disease(COPD), emphysema or chronic bronchitis?

Response Unweighted Frequency Weighted Percentage Standard Error 95% Confidence Limit
Lower Upper
Yes 1752 6.2 0.2 5.8 6.5
No 21365 93.8 0.2 93.5 94.2

Among all respondents, excluding unknowns and refusals.