Do you think sudden trouble seeing in one or both eyes
is a symptom of a heart attack?

Response Unweighted Frequency Weighted Percentage Standard Error 95% Confidence Limit
Lower Upper
Yes 2702 38.1 0.9 36.4 39.9
No 3480 37.9 0.8 36.3 39.6
Dont know/Not sure 2230 24.0 0.7 22.6 25.4

Among all respondents, excluding refusals.
On Questionnaire Split A
ASKED ONLY TO LANDLINE SURVEY RESPONDENTS