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Effect of Health Education on Recognition of Stroke Warning Signs among Adults in Nigeria

Abstract

Stroke is an important public health concern in Nigeria and a major cause of death, disability, and long-term health complications among adults. Early recognition of stroke warning signs and prompt access to appropriate emergency medical care are essential because delays in seeking treatment may reduce opportunities for effective management and increase the risk of severe disability or death. However, limited knowledge of stroke warning signs, misconceptions about stroke symptoms, reliance on home remedies, uncertainty about where to seek emergency care, and delays in contacting healthcare services may contribute to late presentation. Health education provides an opportunity to improve adults' knowledge of stroke warning signs and promote appropriate responses when symptoms occur. Against this background, this study investigates the effect of health education on recognition of stroke warning signs among adults in Nigeria. The study will be anchored on the Health Belief Model, Social Cognitive Theory, and Theory of Planned Behavior. The Health Belief Model explains how adults' perceptions of susceptibility to stroke, perceived severity of its consequences, perceived benefits of recognizing warning signs, perceived barriers, self-efficacy, and cues to action may influence their ability to respond appropriately to suspected stroke. Social Cognitive Theory emphasizes observational learning, behavioural modelling, self-efficacy, reinforcement, and environmental influences in shaping health knowledge and emergency-response behaviour. The Theory of Planned Behavior explains how attitudes, subjective norms, perceived behavioural control, and behavioural intentions may influence adults' willingness to recognize stroke symptoms and seek emergency medical attention. Collectively, these theoretical perspectives provide a suitable framework for explaining how health education may influence recognition of stroke warning signs among adults in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise adults aged 18 years and above residing in selected urban, semi-urban, and rural communities across Nigeria. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, communities, households, and eligible adults. Health education will be assessed using indicators such as exposure to stroke-awareness sessions, frequency and duration of education, knowledge of stroke risk factors, awareness of common stroke warning signs, recognition of sudden facial weakness or drooping, sudden weakness or numbness of an arm or leg, sudden speech or communication difficulties, sudden vision problems, sudden dizziness or loss of balance, sudden severe headache where applicable, understanding of the need for urgent medical attention, knowledge of appropriate emergency-response procedures, and awareness of available emergency healthcare services. Recognition of stroke warning signs will be assessed using indicators such as the ability to correctly identify stroke symptoms from written or pictorial scenarios, distinguish stroke warning signs from non-stroke symptoms, recognize the urgency of suspected stroke, identify appropriate immediate actions, avoid inappropriate home remedies or delays, and indicate the need to contact emergency or professional healthcare services promptly. Data will be collected using structured questionnaires, standardized stroke knowledge assessment tools, pictorial or scenario-based stroke-recognition tests, and pre-test and post-test assessments where a quasi-experimental intervention is adopted. Descriptive statistics will be used to summarize participants' demographic and socioeconomic characteristics, previous exposure to stroke information, sources of health information, knowledge of stroke risk factors, and recognition of stroke warning signs. Inferential statistical techniques, including chi-square tests, paired and independent t-tests, correlation analysis, and logistic or multiple regression analysis where appropriate, will be used to determine the effect of health education on recognition of stroke warning signs. Where a quasi-experimental design is adopted, recognition scores before and after the educational intervention may be compared with those of a comparison group to determine changes associated with the intervention. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that health education has a significant positive effect on recognition of stroke warning signs among adults in Nigeria. Adults exposed to structured and practical stroke health education are expected to demonstrate greater ability to identify common stroke warning signs and recognize the need for urgent medical attention than adults without comparable exposure. Education may improve participants' ability to recognize sudden facial weakness, arm or leg weakness or numbness, speech difficulties, visual disturbances, dizziness or loss of balance, and other relevant warning signs. Practical demonstrations, pictorial materials, stroke scenarios, and repeated emergency-response messages may further strengthen adults' ability to distinguish suspected stroke from less urgent conditions and respond appropriately. However, misinformation, cultural beliefs, reliance on traditional or home remedies, limited emergency transportation, poor awareness of available emergency services, financial barriers, and geographical limitations may reduce the effectiveness of health education alone. The study therefore expects accessible, practical, culturally appropriate, and sustained stroke health education, supported by effective emergency referral and healthcare systems, to contribute significantly to improved recognition of stroke warning signs among adults in Nigeria. The study is expected to contribute to the literature on stroke awareness, stroke prevention, emergency health education, early recognition of stroke, healthcare-seeking behaviour, cardiovascular health, health promotion, community health, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, National Primary Health Care Development Agency, state ministries of health, hospitals, primary healthcare centres, emergency medical services, healthcare professionals, community health workers, public health practitioners, development partners, and policymakers regarding strategies for improving early recognition of stroke. The study will also provide evidence-based recommendations for expanding community-based stroke awareness programmes, strengthening recognition of stroke warning signs, promoting appropriate emergency responses, improving public knowledge of emergency healthcare services, strengthening referral systems, and integrating stroke education into routine community and primary healthcare programmes across Nigeria.

Keywords: Health education, stroke warning signs, stroke recognition, adults, stroke awareness, emergency healthcare, healthcare-seeking behaviour, stroke prevention, health promotion, Nigeria, public health.