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Effect of Household Carbon Monoxide Education on Carbon Monoxide Prevention Practices among Urban Households in Nigeria

Abstract

Carbon monoxide (CO) exposure is an important environmental and household health concern because carbon monoxide is a colourless, odourless, and potentially fatal gas that may be produced by the incomplete combustion of fuels. Urban households in Nigeria may be exposed to carbon monoxide through the use of petrol- or diesel-powered generators, charcoal, kerosene appliances, cooking equipment, indoor burning of fuels, vehicle exhaust, and other combustion sources. Poor ventilation, improper placement of generators, faulty appliances, indoor use of combustion devices, and limited awareness of carbon monoxide hazards may increase the risk of exposure. Because carbon monoxide cannot be detected reliably through human senses, households may not recognize dangerous exposure until symptoms occur. Household carbon monoxide education provides an opportunity to improve awareness of CO sources, warning signs, prevention measures, ventilation requirements, and appropriate emergency responses. Against this background, this study investigates the effect of household carbon monoxide education on carbon monoxide prevention practices among urban households in Nigeria. The study will be anchored on the Health Belief Model, Social Ecological Model, and Social Cognitive Theory. The Health Belief Model explains how household members' perceptions of susceptibility to carbon monoxide exposure, perceived severity of CO poisoning, perceived benefits of preventive practices, perceived barriers, and cues to action may influence household prevention behaviours. The Social Ecological Model emphasizes the influence of individual, household, community, environmental, socioeconomic, infrastructural, and regulatory factors on household carbon monoxide exposure and prevention. Social Cognitive Theory emphasizes observational learning, self-efficacy, behavioural modelling, reinforcement, and environmental influences in developing and maintaining appropriate carbon monoxide prevention practices. Collectively, these theoretical perspectives provide a suitable framework for explaining how household carbon monoxide education may influence CO prevention practices among urban households in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise urban households in selected cities and communities across Nigeria, with eligible respondents being adults primarily responsible for household safety and fuel-use decisions. A multistage sampling technique will be used to select geopolitical zones, states, urban local government areas, communities, neighbourhoods, households, and eligible respondents. Household carbon monoxide education will be assessed using indicators such as exposure to CO safety education sessions, frequency and duration of education, knowledge of common CO sources, awareness of symptoms of CO exposure, understanding of ventilation requirements, knowledge of safe generator placement, awareness of risks associated with indoor combustion, understanding of appliance maintenance, knowledge of carbon monoxide detector use, and awareness of appropriate emergency responses. Carbon monoxide prevention practices will be assessed using indicators such as keeping generators outside living spaces, maintaining adequate ventilation when using fuel-burning appliances, avoiding indoor use of charcoal or other combustion sources, ensuring appropriate placement of cooking appliances, maintaining fuel-burning equipment, avoiding exposure to vehicle exhaust in enclosed areas, using carbon monoxide detectors where available, recognizing and responding appropriately to symptoms of possible CO poisoning, and seeking immediate fresh air and medical assistance when exposure is suspected. Data will be collected using structured questionnaires, household carbon monoxide safety assessment tools, environmental observation checklists, generator and fuel-use assessments, carbon monoxide detector records where available, and relevant environmental health records. Descriptive statistics will be used to summarize household characteristics, fuel and energy sources, exposure to carbon monoxide education, knowledge levels, and prevention practices. Inferential statistical techniques, including chi-square tests, t-tests, correlation analysis, and logistic or multiple regression analysis where appropriate, will be used to determine the effect of household carbon monoxide education on carbon monoxide prevention practices. Where a quasi-experimental design is adopted, CO prevention practice 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 household carbon monoxide education has a significant positive effect on carbon monoxide prevention practices among urban households in Nigeria. Households exposed to structured and practical CO safety education are expected to demonstrate better preventive practices than households without comparable exposure. Education may improve household members' ability to identify potential CO sources, maintain adequate ventilation, position generators safely outside living areas, avoid indoor combustion, maintain fuel-burning appliances, recognize symptoms of CO exposure, and respond appropriately to suspected poisoning. Practical demonstrations and visual safety messages may further strengthen household members' understanding of the risks associated with carbon monoxide exposure. However, dependence on petrol or diesel generators, unreliable electricity supply, inadequate household ventilation, financial limitations, limited access to carbon monoxide detectors, poor appliance maintenance, and overcrowded housing may reduce the effectiveness of education alone. The study therefore expects accessible, practical, continuous, and context-specific carbon monoxide education, supported by improved household energy safety and environmental health measures, to contribute significantly to improved carbon monoxide prevention practices among urban households in Nigeria. The study is expected to contribute to the literature on carbon monoxide poisoning prevention, household environmental health, environmental health education, household energy safety, indoor air quality, generator safety, health promotion, injury prevention, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Federal Ministry of Environment, state ministries of health and environment, local government authorities, environmental health officers, emergency health services, public health practitioners, community health workers, energy-safety organizations, development partners, and policymakers regarding strategies for reducing household carbon monoxide exposure. The study will also provide evidence-based recommendations for strengthening household CO education, promoting safe generator placement and fuel-use practices, improving household ventilation, increasing awareness of carbon monoxide symptoms and emergency responses, encouraging access to carbon monoxide detection devices where appropriate, and developing sustainable household environmental health interventions across urban communities in Nigeria.

Keywords: Household carbon monoxide education, carbon monoxide prevention practices, carbon monoxide exposure, CO poisoning prevention, urban households, indoor air quality, household energy safety, environmental health, health education, Nigeria, public health.