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J Korean Med Sci. 2016 Nov;31(11):1703-1710. doi: 10.3346/jkms.2016.31.11.1703.

Public Awareness of Stroke and Its Predicting Factors in Korea: a National Public Telephone Survey, 2012 and 2014.

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Jeonbuk Regional Cardiocerebrovascular Center, Wonkwang University Hospital, Iksan, Korea.
Gangwon Regional Cardiocerebrovascular Disease Center, Kangwon National University Hospital, Chuncheon, Korea.
Daegu-Gyeongbuk Regional Cardiocerebrovascular Disease Center, Kyungpook National University Hospital, Daegu, Korea.
Jeju Regional Cardiocerebrovascular Disease Center, Jeju National University Hospital, Jeju, Korea.
Gyeongnam Regional Cardiocerebrovascular Disease Center, Gyeongsang National University Hospital, Jinju, Korea.
Gwangju-Jeonnam Regional Cardiocerebrovascular Disease Center, Chonnam National University Hospital, Gwangju, Korea.
Chungbuk Regional Cardiocerebrovascular Disease Center, Chungbuk National University Hospital, Cheongju, Korea.
Busan-Ulsan Regional Cardiocerebrovascular Disease Center, Dong-A University Hospital, Busan, Korea.
Daejeon-Chungnam Regional Cardiocerebrovascular Disease Center, Chungnam National University Hospital, Daejeon, Korea.
Gyeonggi Regional Cardiocerebrovascular Disease Center, Seoul National University Bundang Hospital, Seongnam, Korea.
Incheon Regional Cardiocerebrovascular Disease Center, Inha University Hospital, Incheon, Korea.
Department of Preventive Medicine, School of Medicine, Konkuk University, Seoul, Korea.
Division of Chronic Disease Control, Korea Centers for Disease Control and Prevention, Cheongju, Korea.
Department of Preventive Medicine & Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Korea.


The aim of this study was to investigate time trends in the public awareness of stroke and its predicting factors. The target population was 9,600 community-dwelling adults, aged 19-79 years, in 16 metropolitan cities and provinces in Korea. The survey samples in 2012 and 2014 were selected separately (entirely different sets of subjects) using a proportionate quota sampling method. Information concerning knowledge of stroke and demographics was collected by trained telephone interviewers using random digit dialing. After excluding subjects with a non-response or refusal to answer any question, the analyses included 8,191 subjects in 2012 and 8,127 subjects in 2014. Respondents' awareness of stroke warning signs (numbness or weakness, difficulty speaking or understanding speech, dizziness, visual impairment, and severe headache) was highest for difficulty speaking or understanding speech (80.9% in 2012 and 86.4% in 2014). There were significant increases in the proportion of respondents understanding the appropriate action (i.e., calling an ambulance) at the time of stroke occurrence (59.6% to 67.1%), and in the proportion aware of the general need for prompt treatment (86.7% to 89.8%). In multivariable logistic regression analysis, older age, higher education level, higher household income, current non-smoking, exposure to stroke-related public relations materials, and experience of stroke education were significantly associated with both high knowledge of stroke warning signs and awareness of the need for prompt treatment. Between 2012 and 2014, the public's awareness of stroke increased significantly. More specialized interventions, including public relations materials and education, should focus on subgroups who have lower stroke knowledge.


Awareness; Public; Stroke; Warning Signs

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