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Effect of Mental Health Gatekeeper Training on Suicide Prevention Knowledge among University Staff in Nigeria

Abstract

Suicide is an important public health concern, and universities provide a critical setting for early identification and support of students experiencing severe psychological distress. University staff in Nigeria, including academic staff, administrative personnel, student affairs officers, residential staff, counsellors, and other employees who interact regularly with students, may be among the first individuals to observe changes in students' behaviour, emotional wellbeing, or functioning. However, limited knowledge of suicide warning signs, misconceptions about suicide, uncertainty about how to communicate with distressed students, and inadequate awareness of referral pathways may limit staff members' ability to respond appropriately. Mental health gatekeeper training provides an opportunity to equip university staff with knowledge and practical skills for recognizing warning signs, initiating appropriate conversations, responding safely, and connecting students with qualified mental health professionals and emergency support. Against this background, this study investigates the effect of mental health gatekeeper training on suicide prevention knowledge among university staff in Nigeria. The study will be anchored on Social Cognitive Theory, the Health Belief Model, and the Theory of Planned Behavior. Social Cognitive Theory emphasizes the roles of knowledge, self-efficacy, observational learning, behavioural skills, and environmental support in developing effective gatekeeper responses. The Health Belief Model explains how university staff members' perceptions of suicide risk, perceived severity, perceived benefits of gatekeeper training, perceived barriers, and cues to action may influence their acquisition and application of suicide prevention knowledge. The Theory of Planned Behavior explains how attitudes, subjective norms, perceived behavioural control, and behavioural intentions may influence staff members' willingness to recognize warning signs, initiate appropriate supportive communication, and facilitate referral. Collectively, these theoretical perspectives provide a suitable framework for explaining how mental health gatekeeper training may influence suicide prevention knowledge among university staff in Nigeria. The study will adopt a quantitative quasi-experimental research design. The study population will comprise academic and non-academic staff working in selected public and private universities across Nigeria. A multistage sampling technique will be used to select states, universities, faculties, departments, administrative units, and eligible staff members who have regular contact with students. Mental health gatekeeper training will be measured using indicators such as exposure to structured training sessions, training frequency and duration, suicide prevention education, recognition of warning signs, identification of behavioural and emotional changes, appropriate communication with distressed students, active listening, risk recognition, crisis-response procedures, referral pathways, confidentiality, boundary awareness, knowledge of available university counselling services, emergency support, and follow-up procedures. Suicide prevention knowledge will be assessed using indicators such as knowledge of suicide risk factors, warning signs, common misconceptions, appropriate responses to students experiencing suicidal thoughts or severe psychological distress, recognition of situations requiring immediate professional intervention, knowledge of safe communication principles, referral procedures, available mental health services, emergency response pathways, and appropriate supportive actions. Data will be collected using structured questionnaires, case-based scenarios, and validated suicide prevention knowledge instruments administered before and after the gatekeeper training intervention. Descriptive statistics will be used to summarize participants' demographic and occupational characteristics, previous mental health training, and suicide prevention knowledge levels. Inferential statistical techniques, including paired sample tests, independent sample tests, chi-square tests, correlation analysis, and multiple regression analysis where appropriate, will be used to determine the effect of mental health gatekeeper training on suicide prevention knowledge. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that mental health gatekeeper training has a significant positive effect on suicide prevention knowledge among university staff in Nigeria. Staff members exposed to structured gatekeeper training are expected to demonstrate improved knowledge of suicide risk factors, warning signs, misconceptions, appropriate communication, referral procedures, and emergency support compared with their baseline knowledge or staff members without similar training. Practical approaches involving case scenarios, role-play, guided discussions, communication exercises, and referral simulations may strengthen staff members' ability to translate knowledge into appropriate gatekeeper responses. Improved knowledge may enable university staff to recognize students experiencing serious psychological distress earlier and connect them with appropriate professional support. However, stigma, discomfort discussing suicide, uncertainty regarding staff responsibilities, confidentiality concerns, limited university counselling resources, inadequate referral systems, and insufficient institutional support may restrict the application and sustainability of gatekeeper knowledge. The study therefore expects accessible, evidence-based, culturally appropriate, and regularly reinforced mental health gatekeeper training to contribute significantly to improved suicide prevention knowledge among university staff in Nigeria. The study is expected to contribute to the literature on mental health gatekeeper training, suicide prevention knowledge, university staff, student mental health, suicide prevention, mental health literacy, early identification, crisis response, health education, and public health in Nigeria. The findings will provide useful information to the National Universities Commission, Federal Ministry of Education, Federal Ministry of Health and Social Welfare, university administrators, student affairs departments, counselling centres, university health services, psychologists, psychiatrists, counsellors, social workers, public health practitioners, staff development units, development partners, and policymakers regarding strategies for strengthening suicide prevention capacity within universities. The study will also provide evidence-based recommendations for integrating gatekeeper training into university staff orientation and continuing professional development, strengthening university counselling and referral systems, improving staff knowledge of available mental health resources, establishing clear emergency response procedures, reducing stigma surrounding suicide and mental health, and developing sustainable suicide prevention programmes across universities in Nigeria.

Keywords: Mental health gatekeeper training, suicide prevention knowledge, university staff, suicide prevention, student mental health, mental health literacy, gatekeeper intervention, crisis response, health education, university health services, Nigeria, public health.