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Impact of Caffeine-Health Education on Caffeinated Beverage Consumption among Young Adults in Nigeria

Abstract

Caffeine consumption has become an important public health concern among young adults in Nigeria due to the widespread availability and consumption of coffee, energy drinks, caffeinated soft drinks, tea, and other caffeine-containing beverages. Young adults may consume caffeinated beverages to improve alertness, maintain energy, enhance academic or occupational performance, socialize, or cope with fatigue. However, excessive or frequent caffeine consumption may be associated with sleep disturbances, anxiety, headaches, palpitations, gastrointestinal discomfort, and other adverse effects, particularly among individuals who consume large quantities or are sensitive to caffeine. Limited knowledge of caffeine content, recommended intake levels, potential health effects, and healthier alternatives may contribute to excessive consumption. Caffeine-health education provides an opportunity to improve young adults' knowledge of caffeine-related health risks and encourage informed beverage choices. Against this background, this study investigates the impact of caffeine-health education on caffeinated beverage consumption among young adults in Nigeria. The study will be anchored on the Health Belief Model, Theory of Planned Behavior, and Social Cognitive Theory. The Health Belief Model explains how young adults' perceptions of susceptibility to caffeine-related health effects, perceived severity, perceived benefits of reducing excessive caffeine intake, perceived barriers, and cues to action may influence consumption behaviour. The Theory of Planned Behavior emphasizes attitudes toward caffeinated beverages, subjective norms, perceived behavioural control, and behavioural intentions as determinants of consumption practices. Social Cognitive Theory emphasizes observational learning, social influence, self-efficacy, environmental factors, and reinforcement in developing and maintaining healthier beverage choices. Collectively, these theoretical perspectives provide a suitable framework for explaining how caffeine-health education may influence caffeinated beverage consumption among young adults in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise young adults aged 18–35 years 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, universities, workplaces, and eligible young adults. Caffeine-health education will be assessed using indicators such as exposure to educational sessions, frequency and duration of education, information on common sources of caffeine, caffeine content of popular beverages, potential health effects of excessive caffeine consumption, recommended intake considerations, signs of excessive caffeine use, effects on sleep, interaction with medications or other substances, label reading, healthier beverage alternatives, and strategies for reducing caffeine consumption. Caffeinated beverage consumption will be assessed using indicators such as frequency of consumption, quantity consumed, types of caffeinated beverages used, daily consumption patterns, consumption at night, energy-drink use, coffee and tea consumption, caffeinated soft-drink consumption, reasons for consumption, changes in consumption following education, and self-reported attempts to reduce intake. Data will be collected using structured questionnaires, beverage-consumption frequency assessments, 24-hour or recent beverage recall where appropriate, product-label information, and relevant health-education programme records. Descriptive statistics will be used to summarize participants' characteristics, sources and patterns of caffeine consumption, exposure to health education, and beverage preferences. 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 impact of caffeine-health education on caffeinated beverage consumption. Where a quasi-experimental design is adopted, consumption patterns 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 caffeine-health education has a significant positive impact on caffeinated beverage consumption among young adults in Nigeria. Young adults exposed to structured and practical caffeine-health education are expected to demonstrate improved knowledge of caffeine and a reduction in excessive or frequent consumption of caffeinated beverages compared with young adults without comparable exposure. Education may improve awareness of caffeine content in commonly consumed beverages, the potential effects of excessive intake, the relationship between caffeine consumption and sleep, and the importance of making informed beverage choices. Practical education may encourage young adults to read product labels, monitor their caffeine intake, reduce consumption of energy drinks and highly caffeinated beverages, avoid excessive caffeine use late in the day, and choose healthier alternatives. However, academic and occupational demands, peer influence, aggressive marketing of energy drinks, affordability and availability of caffeinated beverages, habitual consumption, perceived performance benefits, and limited access to healthier alternatives may reduce the effectiveness of education alone. The study therefore expects accessible, evidence-based, practical, and sustained caffeine-health education, supported by healthier beverage choices and appropriate public health communication, to contribute significantly to healthier caffeinated beverage consumption patterns among young adults in Nigeria. The study is expected to contribute to the literature on caffeine consumption, energy-drink use, beverage consumption, nutrition education, health education, young-adult health, sleep health, lifestyle-related health risks, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Federal Ministry of Education, National Primary Health Care Development Agency, universities, workplaces, healthcare professionals, nutritionists, public health practitioners, youth organizations, beverage-industry stakeholders, development partners, and policymakers regarding strategies for promoting healthier beverage choices among young adults. The study will also provide evidence-based recommendations for strengthening caffeine-health education, integrating caffeine awareness into university and community health programmes, improving public knowledge of caffeine content and potential health effects, promoting responsible consumption of caffeinated beverages, encouraging healthier alternatives, and strengthening health communication on excessive caffeine consumption among young adults in Nigeria.

Keywords: Caffeine-health education, caffeinated beverage consumption, caffeine intake, energy drinks, young adults, beverage consumption, health education, nutrition education, lifestyle health, Nigeria, public health.