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Impact of Healthcare Worker Availability on Primary Healthcare Service Utilization in Rural Nigeria

Abstract

Healthcare worker availability is a critical component of an effective primary healthcare system because the delivery of essential health services depends substantially on having an adequate number of appropriately trained health professionals available to provide care. Primary healthcare services include preventive, promotive, curative, maternal and child health, immunization, health education, screening, and basic treatment services delivered at the community and primary healthcare levels. Healthcare worker availability refers to the presence, adequacy, regularity, and accessibility of qualified healthcare personnel, including doctors, nurses, midwives, community health officers, community health extension workers, pharmacists, laboratory personnel, and other relevant health professionals, within primary healthcare facilities. Primary healthcare service utilization refers to the extent to which individuals and households use available primary healthcare services when they require preventive, promotive, or curative care. In rural Nigeria, shortages and uneven distribution of healthcare workers may result in limited service availability, long waiting times, reduced continuity of care, restricted operating hours, and limited access to specific healthcare services. These challenges may discourage rural residents from using primary healthcare facilities and encourage delayed care-seeking, self-medication, or reliance on informal healthcare providers. Improving healthcare worker availability may therefore strengthen service capacity and increase community confidence in primary healthcare facilities. Against this background, this study investigates the impact of healthcare worker availability on primary healthcare service utilization in rural Nigeria. The study is anchored on Andersen's Behavioral Model of Health Services Use, Donabedian's Structure-Process-Outcome Model, and the Health Belief Model. Andersen's Behavioral Model explains healthcare utilization through predisposing characteristics, enabling resources, and healthcare needs, with the availability of healthcare workers representing an important enabling resource. Donabedian's Model provides a framework for understanding healthcare worker availability as a structural component of the health system that influences service delivery processes and patient outcomes. The Health Belief Model explains healthcare utilization through perceived susceptibility, perceived severity, perceived benefits, perceived barriers, and cues to action, with the availability and accessibility of healthcare services influencing perceived barriers to care. Collectively, these theoretical perspectives provide a suitable framework for explaining how healthcare worker availability may influence primary healthcare service utilization in rural Nigeria. The study will adopt a quantitative cross-sectional research design. Primary data will be collected from selected rural primary healthcare facilities and households in Nigeria using structured questionnaires, facility assessment checklists, and healthcare worker records. A multistage sampling technique will be employed to select states, local government areas, rural communities, primary healthcare centres, healthcare workers, and eligible household representatives. Healthcare worker availability will be assessed using indicators such as number of healthcare workers per facility, staff-to-population ratio, professional categories available, frequency of staff presence, absenteeism, staff vacancies, availability of essential professional cadres, working hours, and continuity of staffing. Where feasible, facility staff registers, duty rosters, payroll records, attendance registers, and other relevant administrative records will be reviewed to complement questionnaire data. Primary healthcare service utilization will be assessed using indicators such as frequency of visits to primary healthcare centres, utilization during illness, preventive healthcare attendance, antenatal and postnatal care where applicable, childhood immunization services, health screening, treatment of common illnesses, health education, and referrals. Additional information will be collected on household socioeconomic characteristics, distance to healthcare facilities, healthcare costs, perceived quality of services, health needs, and previous healthcare experiences. Descriptive statistics will be used to summarize facility characteristics, healthcare worker availability, household characteristics, and patterns of primary healthcare utilization. Inferential statistical techniques, including chi-square tests, correlation analysis, and logistic or multiple regression analysis, will be used to determine the impact of healthcare worker availability on primary healthcare service utilization. Diagnostic tests will also be conducted to assess the reliability of the research instruments, model assumptions, goodness of fit, multicollinearity, and robustness of the findings. The study is expected to find that adequate healthcare worker availability has a significant positive impact on primary healthcare service utilization in rural Nigeria. Rural communities served by primary healthcare facilities with adequate and consistently available healthcare workers are expected to demonstrate higher utilization of essential healthcare services than communities where healthcare worker shortages are common. Regular staff presence is expected to improve access to consultations, preventive services, maternal and child healthcare, treatment of common illnesses, health education, screening, and referrals. Adequate staffing is also expected to reduce service interruptions, improve responsiveness, strengthen continuity of care, and increase community confidence in primary healthcare facilities. Conversely, inadequate staffing, frequent absenteeism, prolonged vacancies, and limited availability of specialized healthcare personnel may discourage residents from seeking care at primary healthcare centres and increase reliance on alternative sources of healthcare. However, healthcare worker availability alone may not guarantee increased utilization because other factors, including facility infrastructure, medicine availability, healthcare costs, geographical accessibility, quality of care, and community perceptions, may also affect healthcare-seeking decisions. The study is expected to contribute to the literature on healthcare worker availability, primary healthcare utilization, rural health, health workforce planning, healthcare access, health-system strengthening, and public health in Nigeria by providing empirical evidence on the relationship between the availability of healthcare personnel and utilization of primary healthcare services. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, National Primary Health Care Development Agency, state ministries of health, state primary healthcare development agencies, local government health authorities, healthcare facility managers, health workforce planners, healthcare professional bodies, development partners, and policymakers regarding strategies for improving rural healthcare delivery. The study will also provide evidence-based recommendations for improving recruitment and retention of healthcare workers in rural areas, reducing staff absenteeism, strengthening equitable workforce distribution, improving working conditions and incentives, supporting continuous professional development, strengthening facility-level staffing monitoring, and ensuring that rural primary healthcare centres have adequate healthcare personnel to provide accessible and reliable health services.

Keywords: Healthcare worker availability, primary healthcare utilization, rural Nigeria, health workforce, primary healthcare services, rural health, healthcare access, health-system strengthening, healthcare utilization, staffing, health workforce planning, primary healthcare centres, public health.