Has a doctor, nurse, or other health professional ever said that you have...
 
Lung problems, other than asthma
Kidney problems
OR
A weakened immune system caused by a chronic illness
or by medicines taken for a chronic illness?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 520 10.1 0.6 8.9 11.2
No 3547 89.9 0.6 88.8 91.1

Among all respondents, excluding unknowns and refusals.
 
Only asked January 1, 2010 through June 30, 2010