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Impact of Suicide Prevention Education on Suicide Warning-Sign Recognition among Secondary School Teachers in Nigeria

Abstract

Suicide is an important public health concern that can affect adolescents and young people and may have serious consequences for individuals, families, schools, and communities. Secondary school teachers are often in a position to observe changes in students' behaviour, emotional state, academic participation, social relationships, and attendance and may therefore play an important role in recognizing warning signs and facilitating timely referral to appropriate support services. However, limited knowledge of suicide warning signs, misconceptions about suicide, stigma surrounding mental health, uncertainty about how to respond to distressed students, and inadequate awareness of available referral pathways may limit teachers' ability to identify students who may require help. Suicide prevention education provides an opportunity to equip teachers with knowledge about warning signs, risk factors, appropriate communication, immediate supportive responses, and referral procedures. Against this background, this study investigates the impact of suicide prevention education on suicide warning-sign recognition among secondary school teachers in Nigeria. The study will be anchored on the Health Belief Model, Social Cognitive Theory, and Health Literacy Framework. The Health Belief Model explains how teachers' perceptions of suicide risk, perceived severity, perceived benefits of early recognition, perceived barriers, and cues to action may influence their ability to recognize and respond to warning signs. Social Cognitive Theory emphasizes observational learning, self-efficacy, behavioural reinforcement, and social interaction in the acquisition and application of suicide prevention knowledge. The Health Literacy Framework emphasizes teachers' ability to access, understand, evaluate, and appropriately apply mental health and suicide prevention information. Collectively, these theoretical perspectives provide a suitable framework for explaining how suicide prevention education may influence suicide warning-sign recognition among secondary school teachers in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise teachers working in selected public and private secondary schools across Nigeria. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, schools, and eligible teachers. Suicide prevention education will be assessed using indicators such as exposure to structured suicide prevention training, duration and frequency of training, knowledge of suicide risk factors, recognition of warning signs, appropriate communication with distressed students, crisis-response principles, stigma reduction, referral procedures, knowledge of available mental health services, and awareness of school-based safeguarding procedures. Suicide warning-sign recognition will be assessed using indicators such as identification of behavioural changes, expressions of hopelessness, social withdrawal, marked changes in mood or functioning, giving away valued possessions, increased risk-taking, verbal or written indications of suicidal thoughts, and recognition of situations requiring immediate referral or emergency intervention. Data will be collected using structured questionnaires, validated suicide prevention knowledge and warning-sign recognition instruments, training attendance records, school counselling records where ethically and appropriately accessible, and relevant school health or safeguarding documents. Descriptive statistics will be used to summarize teachers' characteristics, exposure to suicide prevention education, and warning-sign recognition scores. 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 suicide prevention education on suicide warning-sign recognition. Where a quasi-experimental design is adopted, warning-sign recognition scores before and after the educational intervention may be compared 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 suicide prevention education has a significant positive impact on suicide warning-sign recognition among secondary school teachers in Nigeria. Teachers who receive structured and practical suicide prevention education are expected to demonstrate improved ability to identify relevant warning signs, distinguish concerning behavioural changes from ordinary adolescent difficulties, communicate appropriately with students experiencing emotional distress, and recognize situations requiring prompt professional intervention. Scenario-based learning, role-play, interactive discussions, and clear referral guidance may improve teachers' confidence and preparedness to respond appropriately. Education may also reduce misconceptions and stigma surrounding suicide and mental health and encourage teachers to view early recognition and referral as important components of student safeguarding. However, cultural beliefs, stigma, fear of discussing suicide, inadequate access to school counsellors and mental health professionals, concerns about confidentiality, and limited institutional support may affect the effectiveness of suicide prevention education. The study therefore expects accessible, culturally sensitive, practical, and regularly reinforced suicide prevention education to contribute significantly to improved recognition of suicide warning signs among secondary school teachers in Nigeria. The study is expected to contribute to the literature on suicide prevention education, suicide warning-sign recognition, adolescent mental health, school health, teacher preparedness, mental health literacy, suicide prevention, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, Federal Ministry of Education, Nigeria Centre for Disease Control and Prevention, state ministries of health and education, secondary school management authorities, school counselling services, mental health professionals, teachers' associations, child-protection organizations, development partners, and policymakers regarding strategies for strengthening suicide prevention within school settings. The study will also provide evidence-based recommendations for integrating suicide prevention education into teacher training and professional development, strengthening school counselling and referral systems, improving mental health literacy among teachers, establishing clear safeguarding protocols, reducing mental health stigma, and developing sustainable school-based suicide prevention programmes across Nigeria.

Keywords: Suicide prevention education, suicide warning-sign recognition, secondary school teachers, adolescent mental health, suicide prevention, mental health literacy, teacher preparedness, school health, safeguarding, Nigeria, public health.