Department of Public Health

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Department of Public Health

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Browsing Department of Public Health by Author "Adekemi Agnes ONI"

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    Effects of Occupational Health Interventions on Health-Related Quality of Life of Industrial Workers in Oyo State, Southwest, Nigeria
    (Lead City University, Ibadan, 2025-12) Adekemi Agnes ONI
    Occupational hazards and work-related diseases pose significant public health challenges, contributing to high morbidity and mortality rates globally. In Nigeria, industrial workers face heightened risks due to inadequate work environments and insufficient emphasis on health and safety. This study investigates the effects of occupational health interventions on the health-related quality of life (HRQoL) of industrial workers in Oyo State, Southwest Nigeria and addresses the gap in understanding how targeted interventions such as safety training, ergonomic programs, and behavioral health initiatives can mitigate these risks and improve workers' overall well-being. The study employed a quasi-experimental design, utilizing a mixed-methods approach to collect both quantitative and qualitative data. A total of 212 industrial workers were selected through a multistage random sampling technique, divided into intervention and control groups. The intervention group participated in a three- month occupational health program, which included safety training, ergonomic adjustments, and behavioral health sessions, while the control group continued with standard workplace practices. Data were gathered using the WHOQOL-BREF questionnaire to assess HRQoL across four domains: physical health, psychological health, social relationships, and environmental health. Statistical analyses, including Pearson correlation and independent t tests, were performed using SPSS version 23 to evaluate the impact of the interventions. Key findings revealed significant improvements in HRQoL among workers in the intervention group. Post-intervention, these workers reported higher scores in all WHOQOL-BREF domains compared to the control group, with notable enhancements in physical health (reduced musculoskeletal disorders) and psychological well-being (lower stress levels). The prevalence of occupational injuries, such as cuts, wounds, and biological hazards, decreased significantly in the intervention group, underscoring the effectiveness of the implemented programs. For instance, only 19% of intervention group workers reported biological hazards post-intervention, compared to 35% pre-intervention. Additionally, the study identified managerial commitment and comprehensive safety culture as critical factors influencing the success of these interventions. The results align with the Health Belief Model (HBM), which posits that workers' awareness on perceived severity, perceived susceptibility and perceived benefits of occupational hazards drive their adoption of preventive measures. The study also highlighted perceived barriers to effective intervention implementation, including inadequate resources and communication gaps, which must be addressed to optimize outcomes. These findings contribute to the growing body of evidence supporting the integration of occupational health programs into industrial settings to enhance worker safety and productivity. In conclusion, this study demonstrates that occupational health interventions significantly improve the HRQoL of industrial workers by reducing hazard exposure and fostering healthier work environments. The research underscores the need for policy reforms and organizational commitment to sustain these interventions. Recommendations include regular safety training, ergonomic workplace redesign, and the establishment of robust safety communication channels. By prioritizing occupational health, industries in Nigeria and similar contexts can achieve safer workplaces, higher productivity, and improved quality of life for their workers. Keywords: Industrial Workers, Occupational Hazards, Occupational Interventions Word Count: 458