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Effect of Food-Delivery Hygiene Education on Food Safety Practices among Online Food Vendors in Nigeria

Abstract

Food safety remains an important public health concern in Nigeria, particularly with the rapid growth of online food vending and delivery services. Online food vendors prepare, package, store, and deliver meals to consumers, creating multiple points at which food may become contaminated. Inadequate hand hygiene, improper food storage, unsafe food handling, cross-contamination, inappropriate packaging, poor temperature control, and inadequate personal hygiene may increase the risk of foodborne illness. Online food vendors may also operate from informal or home-based settings where access to food safety training, inspection, and appropriate facilities may be limited. Food-delivery hygiene education provides an opportunity to improve vendors' knowledge of safe food preparation, packaging, storage, transportation, and delivery practices. Against this background, this study investigates the effect of food-delivery hygiene education on food safety practices among online food vendors in Nigeria. The study will be anchored on the Health Belief Model, Social Cognitive Theory, and the Food Safety Culture Framework. The Health Belief Model explains how vendors' perceptions of susceptibility to foodborne illness, perceived severity, perceived benefits of safe food-handling practices, perceived barriers, and cues to action may influence their adoption of food safety practices. Social Cognitive Theory explains how vendors may acquire and maintain safe food-handling behaviours through observational learning, modelling, reinforcement, social interaction, and self-efficacy. The Food Safety Culture Framework emphasizes the influence of leadership, food safety knowledge, communication, commitment, working conditions, monitoring, and organizational practices on food safety behaviour. Collectively, these theoretical perspectives provide a suitable framework for explaining how food-delivery hygiene education may influence food safety practices among online food vendors in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise online food vendors aged 18 years and above who prepare and deliver food through social media platforms, food-delivery applications, websites, or other digital ordering channels in selected Nigerian cities. A multistage sampling technique will be used to select geopolitical zones, states, urban local government areas, cities, food-vending clusters, online food vendors, and eligible participants. Food-delivery hygiene education will be assessed using indicators such as frequency and duration of training, food-handling education, personal hygiene, handwashing, prevention of cross-contamination, food-temperature control, safe food storage, packaging hygiene, transportation hygiene, delivery-time management, cleaning and sanitation, waste disposal, use of protective clothing, and procedures for handling food during delivery. Food safety practices will be assessed using indicators such as regular handwashing, use of clean utensils, appropriate personal hygiene, separation of raw and cooked foods, safe food preparation, proper food storage, appropriate temperature control, hygienic packaging, protection of food during transportation, cleaning of food-contact surfaces, safe waste disposal, and prevention of contamination during delivery. Data will be collected using structured questionnaires, food safety knowledge and practice assessment tools, direct observation checklists where feasible, training attendance records, vendor hygiene assessments, and relevant food-safety programme documents. Descriptive statistics will be used to summarize participants' characteristics, food-vending operations, exposure to hygiene education, and food safety 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 food-delivery hygiene education on food safety practices. Where a quasi-experimental design is adopted, food safety 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 food-delivery hygiene education has a significant positive effect on food safety practices among online food vendors in Nigeria. Vendors exposed to structured and practical food-delivery hygiene education are expected to demonstrate better compliance with recommended food safety practices than vendors without comparable exposure. Education may improve vendors' knowledge and application of proper hand hygiene, food storage, temperature control, packaging, transportation, and delivery procedures. Practical demonstrations may help vendors recognize contamination risks at different stages of food preparation and delivery and encourage them to adopt measures that protect food from contamination. Education may also improve awareness of the importance of maintaining clean food-contact surfaces, using appropriate packaging materials, separating raw and cooked foods, and minimizing the time food remains under unsafe temperature conditions. However, inadequate food preparation facilities, limited access to clean water, high training costs, limited storage equipment, pressure to meet customer delivery times, inadequate regulatory oversight, and financial constraints may reduce effectiveness. The study therefore expects regular, practical, accessible, and occupation-specific food-delivery hygiene education to contribute significantly to improved food safety practices among online food vendors in Nigeria. The study is expected to contribute to the literature on food safety, online food vending, food-delivery hygiene, foodborne disease prevention, environmental health, health education, informal food businesses, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, National Agency for Food and Drug Administration and Control, state ministries of health, local government environmental health departments, food safety regulators, online food-delivery platforms, food vendors' associations, environmental health officers, public health practitioners, and policymakers regarding strategies for improving food safety in the growing digital food-delivery sector. The study will also provide evidence-based recommendations for integrating food-delivery hygiene education into vendor registration and certification programmes, strengthening routine food safety inspections, developing practical training materials for online food vendors, improving access to clean water and appropriate food-storage facilities, encouraging food-delivery platforms to promote vendor hygiene standards, and strengthening monitoring of food safety practices throughout the online food-delivery process in Nigeria.

Keywords: Food-delivery hygiene education, food safety practices, online food vendors, food hygiene, foodborne illness prevention, food delivery, environmental health, health education, informal food sector, Nigeria, public health.