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Pancioli AM, Broderick J, Kothari R, et al. Public Perception of Stroke Warning Signs and Knowledge of Potential Risk Factors. JAMA. 1998;279(16):1288–1292. doi:https://doi.org/10.1001/jama.279.16.1288
From the Departments of Emergency Medicine (Drs Pancioli, Kothari, and Jauch), Neurology (Drs Broderick and Brott and Ms Miller), and Environmental Health (Ms Khoury), and the Institute for Policy Research (Dr Tuchfarber), University of Cincinnati, Cincinnati, Ohio.
Context.— Decreasing the time from stroke onset to hospital arrival and improving
control of stroke risk factors depend on public knowledge of stroke warning
signs and risk factors.
Objective.— To assess current public knowledge of stroke warning signs and risk
Design.— A population-based telephone interview survey using random digit dialing
conducted in 1995.
Setting.— The Greater Cincinnati, Ohio, metropolitan area, the population of which
is similar to that of the United States overall in age, sex, percentage of
blacks, and economic status.
Participants.— Respondents with age, race, and sex that matched the population of patients
with acute stroke.
Main Outcome Measures.— Knowledge of risk factors for stroke and warning signs of stroke as
defined by the National Institute of Neurological Disorders and Stroke.
Results.— Telephone calls were made to 17634 households, which yielded 2642 demographically
eligible individuals. Interviews were completed by 1880 respondents (response
rate, 71.2%). A total of 1066 respondents (57%) correctly listed at least
1 of the 5 established stroke warning signs, and of all respondents, 1274
(68%) correctly listed at least 1 of the established stroke risk factors.
Of the respondents, 469 (57%) of 818 respondents with a history of hypertension
listed hypertension, 142 (35%) of 402 respondents who were current smokers
listed smoking, and 32 (13%) of 255 respondents with diabetes listed diabetes
as a risk factor for stroke. Compared with those younger than 75 years, respondents
75 years or older were less likely to correctly list at least 1 stroke warning
sign (60% vs 47%, respectively; P<.001) and were
less likely to list at least 1 stroke risk factor (72% vs 56%, respectively; P<.001).
Conclusion.— Considerable education is needed to increase the public's awareness
of the warning signs and risk factors for stroke. Respondents with self-reported
risk factors for stroke are largely unaware of their increased risk. The population
at greatest risk for stroke, the very elderly, are the least knowledgeable
about stroke warning signs and risk factors.
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