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Impact of Sign Language Training on Communication Skills among Healthcare Workers in Nigeria

Abstract

Effective communication is an essential component of safe, accessible, and patient-centred healthcare. Deaf and hard-of-hearing patients may experience communication barriers when healthcare workers lack the skills required to communicate effectively using sign language or other appropriate communication methods. These barriers may contribute to difficulties in obtaining accurate medical histories, explaining diagnoses and treatment options, obtaining informed consent, providing health education, and ensuring appropriate follow-up care. In Nigeria, limited availability of sign language-proficient healthcare workers, inadequate disability-inclusive communication policies, and insufficient training opportunities may further restrict access to equitable healthcare for deaf and hard-of-hearing individuals. Sign language training provides an opportunity to equip healthcare workers with practical communication skills that may improve interactions with deaf and hard-of-hearing patients. Against this background, this study investigates the impact of sign language training on communication skills among healthcare workers in Nigeria. The study will be anchored on the Social Cognitive Theory, Health Literacy Framework, and Social Ecological Model. Social Cognitive Theory explains how healthcare workers may acquire communication skills through observation, guided practice, self-efficacy, reinforcement, and repeated interaction. The Health Literacy Framework emphasizes the importance of effective communication in enabling patients to receive, understand, and use health information appropriately. The Social Ecological Model emphasizes the influence of individual competencies, interpersonal interactions, healthcare organizational systems, institutional policies, and broader societal factors on disability-inclusive healthcare communication. Collectively, these theoretical perspectives provide a suitable framework for explaining how sign language training may influence communication skills among healthcare workers in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise healthcare workers, including nurses, doctors, community health workers, medical laboratory personnel, and other relevant healthcare professionals working in selected public and private healthcare facilities across Nigeria. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, healthcare facilities, departments, and eligible healthcare workers. Sign language training will be assessed using indicators such as exposure to structured sign language education, training duration, frequency of training sessions, practical demonstrations, knowledge of basic healthcare-related signs, ability to introduce oneself, obtain patient histories, explain common procedures, provide health education, communicate instructions, clarify treatment information, and respond appropriately to patients' questions. Communication skills will be assessed using indicators such as accuracy of information exchange, ability to obtain medical histories, clarity of communication, appropriate use of healthcare-related signs, ability to explain diagnoses and procedures, ability to provide treatment instructions, confirmation of patient understanding, appropriate use of non-verbal communication, and communication performance during simulated or observed patient interactions. Data will be collected using structured questionnaires, communication-skills assessment tools, practical sign language assessments, standardized patient or case-scenario assessments, training attendance records, and relevant healthcare facility documents. Descriptive statistics will be used to summarize healthcare workers' characteristics, exposure to sign language training, and communication skill levels. 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 sign language training on communication skills. Where a quasi-experimental design is adopted, communication skill scores before and after the training intervention may be compared with those of a comparison group to determine changes associated with the programme. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that sign language training has a significant positive impact on communication skills among healthcare workers in Nigeria. Healthcare workers exposed to structured and practical sign language training are expected to demonstrate improved ability to communicate with deaf and hard-of-hearing patients, obtain accurate health information, provide understandable health education, explain procedures and treatment instructions, and confirm patient understanding. Practical demonstrations, role-playing, simulated patient interactions, and repeated practice may improve healthcare workers' confidence and competence in using basic healthcare-related sign language. Improved communication may also reduce misunderstandings, enhance patient participation in healthcare decisions, support informed consent, and promote more inclusive healthcare experiences for deaf and hard-of-hearing patients. However, limited training resources, workload, inadequate institutional support, insufficient access to qualified sign language instructors, differences in sign language proficiency, and limited availability of disability-inclusive communication policies may affect programme effectiveness. The study therefore expects accessible, practical, healthcare-specific, and regularly reinforced sign language training to contribute significantly to improved communication skills among healthcare workers in Nigeria. The study is expected to contribute to the literature on sign language training, healthcare communication, disability-inclusive healthcare, deaf and hard-of-hearing health, healthcare worker competence, patient-centred care, health equity, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Federal Ministry of Education, state ministries of health, hospitals, primary healthcare facilities, nursing and medical training institutions, professional healthcare associations, deaf and hard-of-hearing organizations, disability-rights organizations, development partners, and policymakers regarding strategies for improving accessible healthcare communication. The study will also provide evidence-based recommendations for integrating basic sign language training into healthcare worker education and professional development, developing healthcare-specific sign language curricula, strengthening interpreter and communication-support services, improving disability-inclusive healthcare policies, and promoting equitable access to healthcare services for deaf and hard-of-hearing individuals across Nigeria.

Keywords: Sign language training, communication skills, healthcare workers, deaf patients, hard-of-hearing patients, disability-inclusive healthcare, healthcare communication, patient-centred care, health equity, Nigeria, public health.