Now I would like to ask you about your knowledge of the signs and symptoms
of a heart attack and stroke. Do you think pain or discomfort in the jaw, neck,
or back are symptoms of a heart attack?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 2395 51.3 1.0 49.3 53.3
No 1036 28.2 0.9 26.3 30.0
Don't know/not sure 762 20.6 0.9 18.7 22.4

Among all respondents, excluding refusals.
 
On Questionnaire Split B