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Impact of Workplace Health Talks on Preventive Health Practices among Informal Sector Workers in Nigeria

Abstract

Preventive health practices are essential for reducing exposure to health risks, preventing disease, promoting early detection, and improving the overall wellbeing of workers. Informal sector workers in Nigeria constitute a substantial proportion of the working population and may experience occupational and lifestyle-related health risks while having limited access to organized workplace health programmes. Their work environments may involve exposure to dust, chemicals, excessive noise, heat, physical strain, unsafe equipment, poor sanitation, and other occupational hazards. Workplace health talks provide an opportunity to deliver structured health education directly within workers' occupational environments and may promote knowledge and adoption of preventive health practices. Such health talks can address occupational safety, personal hygiene, use of personal protective equipment, nutrition, physical activity, substance-use prevention, routine health screening, disease prevention, and appropriate healthcare-seeking. Against this background, this study investigates the impact of workplace health talks on preventive health practices among informal sector workers in Nigeria. The study will be anchored on Social Cognitive Theory, the Health Belief Model, and the Social Ecological Model. Social Cognitive Theory explains how workers may acquire and adopt preventive health practices through observational learning, peer modelling, social interaction, reinforcement, and self-efficacy. The Health Belief Model explains how perceived susceptibility, perceived severity, perceived benefits, perceived barriers, and cues to action may influence workers' decisions to adopt preventive health practices. The Social Ecological Model recognizes the influence of individual, interpersonal, workplace, community, and environmental factors on occupational and preventive health behaviour. Collectively, these theoretical perspectives provide a suitable framework for explaining how workplace health talks may influence preventive health practices among informal sector workers 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 working in selected informal sector occupations across Nigeria, including artisans, mechanics, welders, tailors, hairdressers, traders, food vendors, construction workers, and other relevant occupational groups. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, informal sector clusters, occupational groups, and eligible workers. Workplace health talks will be assessed using indicators such as frequency of health talks, duration, attendance, health topics covered, involvement of trained health educators or occupational health professionals, use of educational materials, language accessibility, opportunities for questions and discussion, demonstrations of safety practices, provision of health information materials, and follow-up activities. Preventive health practices will be assessed using indicators such as use of personal protective equipment, hand hygiene, safe handling of tools and chemicals, workplace injury prevention, sanitation, healthy eating, physical activity, tobacco avoidance, responsible alcohol use, routine health screening, vaccination where appropriate, and timely healthcare-seeking. Data will be collected using structured questionnaires, preventive-health-practice assessment tools, workplace observation checklists, health-talk attendance records, facilitator records, and relevant occupational health programme documents. Descriptive statistics will be used to summarize participants' characteristics, exposure to workplace health talks, occupational risks, and preventive health 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 impact of workplace health talks on preventive health practices. Where a quasi-experimental design is adopted, preventive health practice scores before and after implementation of workplace health talks 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 workplace health talks have a significant positive impact on preventive health practices among informal sector workers in Nigeria. Workers exposed to regular and well-structured health talks are expected to demonstrate improved adoption of preventive health practices compared with workers without comparable exposure. Delivering health education within the workplace may make health information more relevant because messages can be tailored to the specific occupational hazards and working conditions experienced by participants. Demonstrations, practical examples, peer discussion, and repeated health messages may improve workers' understanding and encourage safer workplace behaviours. Health talks may also increase awareness of routine health screening, early recognition of occupational health problems, and appropriate healthcare-seeking. However, irregular work schedules, low attendance, inadequate protective equipment, economic constraints, limited availability of trained occupational health personnel, resistance to behavioural change, and unsafe workplace environments may reduce effectiveness. The study therefore expects regular, practical, occupation-specific, and participatory workplace health talks to contribute significantly to improved preventive health practices among informal sector workers in Nigeria. The study is expected to contribute to the literature on workplace health education, informal sector health, occupational health and safety, preventive health practices, health promotion, worker health, behavioural change, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Federal Ministry of Labour and Employment, state ministries of health, local government health authorities, occupational health professionals, informal sector associations, trade unions, community health workers, employers, development partners, and policymakers regarding strategies for improving health among informal sector workers. The study will also provide evidence-based recommendations for integrating regular health talks into informal sector occupational settings, developing occupation-specific health education materials, improving access to personal protective equipment, strengthening occupational health services, training health educators, involving occupational associations, and establishing referral and follow-up systems for workers requiring further healthcare across Nigeria.

Keywords: Workplace health talks, preventive health practices, informal sector workers, occupational health, health education, health promotion, workplace safety, disease prevention, behavioural change, Nigeria, public health.