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Influence of Health Worker Availability on Primary Healthcare Utilization in Rural Nigeria

Abstract

The availability of an adequate and appropriately distributed health workforce is essential for the effective delivery and utilization of primary healthcare services, particularly in rural communities where shortages of healthcare personnel may limit access to essential health services. Health worker availability refers to the presence, adequacy, distribution, and accessibility of qualified healthcare professionals required to provide primary healthcare services within a defined geographical area or healthcare facility. Primary healthcare utilization refers to the extent to which individuals and households access and use available primary healthcare services for preventive, promotive, curative, maternal, child, and basic rehabilitative healthcare needs. In rural Nigeria, primary healthcare centres serve as a major point of contact between communities and the formal healthcare system. However, shortages and uneven distribution of doctors, nurses, midwives, community health officers, community health extension workers, pharmacists, laboratory personnel, and other healthcare workers may contribute to limited opening hours, long waiting times, reduced service capacity, frequent referrals, and poor continuity of care. Adequate availability of health workers may improve accessibility, responsiveness, continuity, and quality of primary healthcare services, thereby encouraging greater utilization among rural residents. Against this background, this study investigates the influence of health worker availability on primary healthcare utilization in rural Nigeria.

The study is anchored on the Donabedian Structure-Process-Outcome Model, the Andersen Behavioral Model of Health Services Use, and the Health Systems Framework. Donabedian's Model identifies human resources as a fundamental structural component of healthcare delivery that can influence healthcare processes and outcomes. The Andersen Behavioral Model explains healthcare utilization through factors that predispose individuals to seek care, enable access to services, and create healthcare needs. The Health Systems Framework recognizes the health workforce as a core health-system building block required for effective service delivery and access to healthcare. Collectively, these theoretical perspectives provide a suitable framework for explaining how the availability of health workers may influence the utilization of primary healthcare services in rural Nigeria. The study will adopt a quantitative cross-sectional research design. Data will be collected from selected rural primary healthcare centres and adult residents or households within their catchment communities using structured questionnaires, facility assessment checklists, healthcare worker records, staff registers, attendance records, service utilization registers, and relevant administrative documents. A multistage sampling technique will be employed to select states, local government areas, rural communities, primary healthcare centres, households, and eligible respondents. Health worker availability will be assessed using indicators such as number of healthcare workers per facility, availability of different professional categories, staffing adequacy, staff-to-population ratio, staff presence during scheduled operating hours, staff attendance, availability of maternal and child health personnel, availability of community health workers, availability of skilled clinical personnel, and frequency of staff shortages or vacancies. Where possible, facility staff registers and duty rosters will be reviewed to provide objective measures of health worker availability. Primary healthcare utilization will be assessed using indicators such as frequency of visits to primary healthcare centres, use of preventive services, maternal and child health services, immunization services, family planning, health education, treatment of common illnesses, noncommunicable disease screening, disease-prevention services, and use of primary healthcare centres as the first point of care. Service utilization records will be reviewed where available to complement household responses. Descriptive statistics will be used to summarize health worker availability, facility characteristics, and primary healthcare utilization patterns. Inferential statistical techniques, including chi-square tests, correlation analysis, and multiple regression analysis, will be used to determine the influence of health worker availability on primary healthcare utilization. Diagnostic tests will also be conducted to assess the reliability of research instruments, model assumptions, goodness of fit, multicollinearity, and robustness of the findings. The study is expected to find that greater availability of health workers has a significant positive influence on primary healthcare utilization in rural Nigeria. Rural communities served by adequately staffed primary healthcare centres are expected to demonstrate higher utilization of essential healthcare services than communities experiencing persistent health worker shortages. Adequate staffing may improve the operating capacity of healthcare facilities, reduce waiting times, increase the range of available services, strengthen continuity of care, improve patient-provider interactions, and reduce the need for patients to travel to distant healthcare facilities. The availability of appropriately skilled health workers may also increase community confidence in primary healthcare facilities and encourage residents to seek professional care for preventive and curative health needs. Conversely, inadequate staffing may result in limited service availability, prolonged waiting times, frequent referrals, reduced operating hours, provider burnout, and low community confidence, potentially discouraging utilization. However, health worker availability alone may not fully determine primary healthcare utilization because utilization is also influenced by healthcare costs, geographical accessibility, availability of medicines and equipment, quality of services, cultural beliefs, health literacy, perceived need, and community trust. Therefore, improving health worker availability should be integrated with broader primary healthcare strengthening measures. The study is expected to contribute to the literature on health workforce availability, primary healthcare utilization, rural healthcare, health services access, health workforce planning, healthcare administration, and public health in Nigeria by providing empirical evidence on the relationship between the availability of healthcare personnel and the use 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, professional regulatory bodies, development partners, and policymakers regarding strategies for strengthening the rural health workforce. The study will also provide evidence-based recommendations for improving recruitment and retention of healthcare workers in rural areas, strengthening equitable health workforce distribution, reducing rural staffing gaps, improving staff attendance and deployment systems, strengthening community health worker programmes, and ensuring that rural primary healthcare centres have adequate personnel to provide accessible and continuous essential health services.

Keywords: Health worker availability, primary healthcare utilization, rural Nigeria, health workforce, primary healthcare, healthcare access, rural healthcare, health services utilization, health workforce distribution, primary healthcare centres, community health, public health.