Abstract
Mental health and psychological well-being are critical determinants of employee productivity, job satisfaction, and institutional effectiveness. In tertiary education settings, academic and non-academic staff are exposed to substantial occupational demands that may predispose them to psychological distress. Hence, this study examined the assessment of psychological well-being and mental health among academic and non-academic staff in Lagos State tertiary institutions. A cross-sectional survey design was adopted. Participants comprised 406 academic and non-academic staff selected from four public universities in Lagos State using a multistage sampling technique. Data were collected using standardized measures of psychological well-being and mental health. Pearson product–moment correlation, independent samples t-test, and one-way analysis of variance (ANOVA) were employed for data analysis. Findings revealed significant positive relationships between mental health and environmental mastery, personal growth, positive relations with others, purpose in life, and self-acceptance. Autonomy did not show a significant relationship with mental health. Marital status and sex did not significantly influence psychological well-being or mental health. However, academic staff reported significantly higher psychological well-being than non-academic staff, although no significant group difference was found in mental health. The study concludes that Institutional mental health promotion strategies should prioritize psychological well-being enhancement to improve staff mental health and organizational effectiveness.
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