Do you think sudden trouble seeing in one or both eyes
are symptoms of a stroke?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Limit
Upper 95% Confidence
Limit
Yes 3068 91.2 0.6 90.0 92.5
No 317 8.8 0.6 7.5 10.0

Among all respondents, excluding unknowns and refusals.
 
On Questionnaire Split A