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Impact of Respiratory Hygiene Education on Respiratory Infection Prevention Practices among Healthcare Workers in Nigeria

Abstract

Respiratory infections remain an important public health and occupational health concern in healthcare settings because healthcare workers may be exposed to infectious respiratory droplets and aerosols during patient care, clinical procedures, and interactions with patients and other staff. Healthcare workers can also contribute to the transmission of respiratory pathogens when appropriate respiratory hygiene and infection prevention measures are not consistently followed. Respiratory hygiene education provides healthcare workers with knowledge and practical skills relating to cough etiquette, respiratory hygiene, appropriate use of face masks and other personal protective equipment, hand hygiene following respiratory secretions, appropriate disposal of tissues and respiratory secretions, environmental ventilation, physical distancing where appropriate, early recognition of respiratory infection symptoms, and appropriate referral and infection control procedures. Respiratory infection prevention practices refer to actions undertaken by healthcare workers to reduce the transmission of respiratory pathogens, including appropriate respiratory hygiene, cough etiquette, use of appropriate personal protective equipment, hand hygiene, environmental controls, safe disposal of respiratory materials, early identification of symptomatic individuals, and adherence to infection prevention and control protocols. In Nigeria, inadequate respiratory infection prevention training, overcrowded healthcare environments, insufficient personal protective equipment, inadequate ventilation, heavy workloads, limited infection control resources, and inconsistent compliance monitoring may affect respiratory infection prevention practices among healthcare workers. Effective respiratory hygiene education may improve healthcare workers' knowledge, practical skills, risk perception, and adherence to recommended respiratory infection prevention practices. Against this background, this study investigates the impact of respiratory hygiene education on respiratory infection prevention practices among healthcare workers in Nigeria. The study is anchored on Social Cognitive Theory, the Health Belief Model, and Protection Motivation Theory. Social Cognitive Theory emphasizes the interaction between knowledge, self-efficacy, behavioural capabilities, social influences, and environmental conditions in shaping healthcare workers' infection prevention behaviour. The Health Belief Model explains preventive health behaviour through perceived susceptibility, perceived severity, perceived benefits, perceived barriers, and cues to action, providing a basis for understanding healthcare workers' adoption of respiratory infection prevention practices. Protection Motivation Theory explains how perceived health threats, response efficacy, self-efficacy, and perceived response costs influence individuals' adoption of protective behaviours against infectious diseases. Collectively, these theoretical perspectives provide a suitable framework for explaining how respiratory hygiene education may influence respiratory infection prevention practices among healthcare workers in Nigeria. The study will adopt a quantitative quasi-experimental research design. Primary data will be collected from healthcare workers in selected public and private healthcare facilities in Nigeria using a structured self-administered questionnaire, respiratory hygiene knowledge assessment, and an observational respiratory infection prevention practices checklist. A multistage sampling technique will be employed to select states, local government areas, healthcare facilities, departments or units, and eligible healthcare workers. Where feasible, selected healthcare facilities or healthcare worker groups will be assigned to intervention and comparison groups. Healthcare workers in the intervention group will receive structured respiratory hygiene education covering respiratory infection transmission, cough etiquette, respiratory hygiene, appropriate use of face masks and other personal protective equipment, hand hygiene following contact with respiratory secretions, safe disposal of tissues and contaminated materials, ventilation, early recognition of respiratory infection symptoms, isolation and referral procedures, and relevant infection prevention and control guidelines. Respiratory infection prevention practices will be assessed using indicators such as appropriate cough etiquette, correct use of face masks and respiratory protective equipment, hand hygiene following respiratory exposure, appropriate disposal of respiratory secretions, adherence to ventilation and environmental control measures, early identification and referral of symptomatic patients, and compliance with relevant infection prevention protocols. Direct observation will be prioritized where feasible to reduce reliance on self-reported behaviour. Descriptive statistics will be used to summarize healthcare workers' sociodemographic and professional characteristics, respiratory hygiene knowledge, exposure to education, and respiratory infection prevention practices. Inferential statistical techniques, including chi-square tests, paired-sample tests, independent-sample tests, and logistic or multiple regression analysis, will be used to determine the impact of respiratory hygiene education on respiratory infection prevention practices. Where appropriate, pre-intervention and post-intervention practice scores will be compared. Diagnostic tests will also be conducted to assess the reliability of the research instruments, model assumptions, goodness of fit, and robustness of the findings. The study is expected to find that respiratory hygiene education has a significant positive impact on respiratory infection prevention practices among healthcare workers in Nigeria. Healthcare workers exposed to structured respiratory hygiene education are expected to demonstrate improved knowledge and greater adherence to recommended respiratory infection prevention measures. Education may improve appropriate cough etiquette, use of masks and other respiratory protective equipment, hand hygiene after exposure to respiratory secretions, safe disposal of contaminated materials, ventilation practices, early identification of symptomatic patients, and compliance with infection prevention and control protocols. It may also improve healthcare workers' understanding of how respiratory pathogens are transmitted and the importance of protecting themselves, patients, colleagues, and visitors. However, education alone may not guarantee sustained prevention practices because healthcare workers may continue to face barriers such as inadequate personal protective equipment, overcrowding, poor ventilation, insufficient hand hygiene facilities, heavy workloads, staff shortages, and weak institutional monitoring. Consequently, respiratory hygiene education is expected to be most effective when supported by adequate infection prevention infrastructure, reliable supplies of respiratory protective equipment, appropriate ventilation, regular supervision, compliance monitoring, and strong institutional infection prevention and control programmes. The study is expected to contribute to the literature on respiratory infection prevention, respiratory hygiene, infection prevention and control, occupational health, healthcare worker safety, health education, infectious disease prevention, and public health in Nigeria by providing empirical evidence on the impact of respiratory hygiene education on respiratory infection prevention practices among healthcare workers. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Nigeria Centre for Disease Control and Prevention, National Primary Health Care Development Agency, state ministries of health, hospital management authorities, infection prevention and control committees, occupational health professionals, healthcare professional associations, public health practitioners, development partners, and policymakers regarding strategies for reducing respiratory infection transmission in healthcare settings. The study will also provide evidence-based recommendations for strengthening respiratory hygiene education, improving access to appropriate respiratory protective equipment, enhancing ventilation and infection prevention infrastructure, strengthening compliance monitoring, conducting regular refresher training, and promoting sustained respiratory infection prevention practices among healthcare workers in Nigeria.

Keywords: Respiratory hygiene education, respiratory infection prevention practices, healthcare workers, respiratory infections, infection prevention and control, cough etiquette, respiratory protection, personal protective equipment, occupational health, health education, healthcare safety, infectious disease prevention, public health, Nigeria.