Prompt identification of the warning signs of ischemic stroke is critical to ensure appropriate and timely treatment. We implemented a 20-week public education campaign in one media market to increase community awareness of warning signs for stroke and the need to call 911. Telephone surveys were conducted in adults aged 45 years and older in the intervention county and a comparison county before and after the campaign to evaluate its impact. There was a significant increase in awareness of two or more warning signs for stroke from baseline to follow-up in the intervention county (73%-82%) but not in the comparison county (68%-69%). Respondent awareness of stroke warning signs increased significantly in the intervention county among men (68%-79%) and women (76%-84%) and among respondents aged 45 to 64 years (77%-85%) and respondents aged 65 years and older (67%-78%). There was no significant change in the proportion of respondents indicating they would call 911 if they witnessed someone having a stroke in the intervention county (81%-84%). However, after the campaign, an increased proportion of respondents in the intervention county indicated they would call 911 if they experienced sudden numbness or loss of sensation (50%-56%). Our findings suggest that a high-intensity public education campaign can increase community awareness of the warning signs for stroke and the need to call 911 for specific symptoms.
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