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Influence of Radiation Safety Education on Radiation Protection Practices among Radiographers in Nigeria

Abstract

Radiation exposure is an important occupational health and safety concern among radiographers because repeated exposure to ionizing radiation, particularly when appropriate protection measures are not consistently applied, may increase the risk of adverse health effects. Radiographers routinely work with radiation-producing equipment and are therefore required to maintain appropriate radiation protection practices for themselves, patients, colleagues, and members of the public. Radiation safety education provides radiographers with knowledge and practical training on radiation hazards, radiation dose optimization, justification of imaging procedures, appropriate use of protective devices, safe positioning, distance and shielding principles, equipment safety, radiation monitoring, occupational exposure limits, emergency procedures, and relevant radiation protection regulations. Radiation protection practices refer to the behaviours and procedures adopted by radiographers to minimize unnecessary radiation exposure during imaging procedures, including appropriate use of personal protective equipment and shielding devices, maintaining safe distance, minimizing exposure time, proper positioning, use of radiation monitoring devices, adherence to safety protocols, equipment quality-control procedures, and appropriate protection of patients and other personnel. In Nigeria, variations in radiation protection practices may be associated with inadequate safety education, limited access to protective equipment, equipment constraints, workload, inadequate supervision, insufficient radiation monitoring, and inconsistent enforcement of safety regulations. Effective radiation safety education may improve radiographers' knowledge, competence, and compliance with radiation protection procedures. Against this background, this study investigates the influence of radiation safety education on radiation protection practices among radiographers in Nigeria. The study is anchored on Social Cognitive Theory, the Experiential Learning Theory, and the Knowledge-Attitude-Practice framework. Social Cognitive Theory emphasizes the interaction between knowledge, self-efficacy, professional behaviour, workplace influences, observational learning, and environmental conditions in shaping radiation protection practices. Experiential Learning Theory provides a framework for understanding how demonstrations, practical exercises, simulations, and repeated application of radiation safety procedures can facilitate the acquisition and retention of radiation protection competencies. The Knowledge-Attitude-Practice framework provides a basis for examining how radiation safety education may improve radiographers' knowledge and attitudes and translate these improvements into appropriate radiation protection practices. Collectively, these theoretical perspectives provide a suitable framework for explaining how radiation safety education may influence radiation protection practices among radiographers in Nigeria. The study will adopt a quantitative quasi-experimental research design. Primary data will be collected from radiographers working in selected public and private hospitals, diagnostic imaging centres, specialist healthcare facilities, and other appropriate radiological settings in Nigeria using a structured questionnaire, radiation safety knowledge assessment, and standardized radiation protection practice checklist. A multistage sampling technique will be employed to select states, healthcare institutions, radiology departments, and eligible radiographers. Where feasible, selected radiographers or healthcare facilities will be assigned to intervention and comparison groups. Participants in the intervention group will receive structured radiation safety education through lectures, demonstrations, case scenarios, practical exercises, simulation-based training, and visual learning materials. The education will cover radiation hazards, radiation dose optimization, justification of examinations, time-distance-shielding principles, appropriate use of protective devices, safe positioning, radiation monitoring, equipment safety, quality assurance, patient protection, occupational exposure prevention, emergency procedures, and relevant radiation protection regulations. Radiation protection practices will be assessed using indicators such as appropriate use of lead aprons and other protective devices where applicable, use of radiation monitoring devices, maintenance of appropriate distance, minimization of unnecessary exposure time, correct positioning, use of shielding, adherence to departmental radiation safety protocols, protection of patients and accompanying personnel, and appropriate reporting of radiation-related incidents. Where feasible, direct observation, departmental audits, or practical simulation assessments will complement self-reported practices to improve the objectivity of the findings. Descriptive statistics will be used to summarize participants' sociodemographic and professional characteristics, previous radiation safety training, radiation safety knowledge, and radiation protection practice scores. Inferential statistical techniques, including chi-square tests, paired-sample tests, independent-sample tests, and multiple regression analysis, will be used to determine the influence of radiation safety education on radiation protection practices. Where appropriate, protection practices before and after the intervention will be compared. Diagnostic tests will also be conducted to assess the reliability of the research instruments, inter-rater reliability of observational assessments, model assumptions, goodness of fit, and robustness of the findings. The study is expected to find that radiation safety education has a significant positive influence on radiation protection practices among radiographers in Nigeria. Radiographers exposed to structured radiation safety education are expected to demonstrate improved understanding of radiation hazards, dose optimization, occupational exposure prevention, patient protection, and appropriate radiation safety procedures. Education is expected to improve compliance with time, distance, and shielding principles, appropriate use of radiation protection devices, radiation monitoring, safe positioning, equipment safety procedures, and adherence to established departmental protocols. Practical and simulation-based education is expected to be particularly effective because it allows radiographers to apply radiation protection principles to realistic imaging situations and receive immediate feedback. However, education alone may not guarantee sustained compliance because radiographers may continue to face workplace barriers such as inadequate protective equipment, malfunctioning or outdated imaging equipment, high workload, staff shortages, limited radiation monitoring resources, poor departmental infrastructure, and inadequate enforcement of safety regulations. Consequently, radiation safety education may be most effective when supported by adequate protective equipment, functional radiation-monitoring systems, regular equipment quality assurance, continuing professional development, effective supervision, and strong radiation protection policies. The study is expected to contribute to the literature on radiation safety education, radiation protection practices, radiography, occupational health, medical imaging safety, patient protection, health education, and public health in Nigeria by providing empirical evidence on the influence of radiation safety education on radiation protection practices among radiographers. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, healthcare institutions, radiology departments, professional radiography bodies, radiation regulatory authorities, occupational health practitioners, medical imaging educators, public health practitioners, and policymakers regarding strategies for strengthening radiation protection. The study will also provide evidence-based recommendations for integrating radiation safety education into radiography training and continuing professional development, strengthening radiation protection monitoring, improving access to appropriate protective equipment, conducting regular competency assessments, enhancing equipment quality assurance, strengthening workplace supervision, and promoting sustainable radiation protection practices among radiographers in Nigeria.

Keywords: Radiation safety education, radiation protection practices, radiographers, Nigeria, radiation safety, radiation protection, occupational health, medical imaging, ionizing radiation, radiation monitoring, patient protection, health education, occupational safety, public health.