(Which of the following do you think is a symptom of a heart attack?
For each, tell me yes, no or you're not sure.)
 
c. Do you think chest pain or discomfort are symptoms of a heart attack?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 3950 96.3 0.4 95.6 97.1
No 99 2.2 0.3 1.7 2.8
Don't know/not sure 60 1.4 0.3 0.9 1.9

Among all respondents, excluding refusals.
 
On Questionnaire Split A