DOWNLOAD THE COMPLETE PROJECT

6 Users found this project useful

Impact of Measles Vaccination Reminder Systems on Routine Measles Immunization Attendance among Children in Nigeria

Abstract

Measles remains an important vaccine-preventable public health concern in Nigeria, particularly among children who miss or delay routine immunization. Although effective measles-containing vaccines are available through routine immunization services, children may fail to receive scheduled doses because of parental forgetfulness, inadequate knowledge of vaccination schedules, inconvenient clinic attendance, misinformation, transportation difficulties, competing household responsibilities, and weak follow-up systems. Missed vaccination opportunities can increase the number of susceptible children and contribute to outbreaks of measles and other vaccine-preventable diseases. Vaccination reminder systems, including SMS messages, phone calls, appointment cards, digital reminders, community health worker reminders, and other appropriate communication approaches, may help parents and caregivers remember scheduled immunization appointments and improve attendance. Against this background, this study investigates the impact of measles vaccination reminder systems on routine measles immunization attendance among children in Nigeria. The study will be anchored on the Health Belief Model, Theory of Planned Behavior, and Social Ecological Model. The Health Belief Model explains how caregivers' perceptions of their children's susceptibility to measles, perceived severity of the disease, perceived benefits of vaccination, perceived barriers, and cues to action may influence attendance at immunization appointments. The Theory of Planned Behavior emphasizes caregivers' attitudes, subjective norms, perceived behavioural control, and intentions as determinants of routine immunization attendance. The Social Ecological Model highlights the influence of individual, household, community, healthcare-facility, and broader environmental factors on childhood immunization behaviour. Collectively, these theoretical perspectives provide a suitable framework for explaining how vaccination reminder systems may influence routine measles immunization attendance among children in Nigeria. The study will adopt a quantitative quasi-experimental or analytical cross-sectional research design. The study population will comprise children within the eligible routine immunization age range and their parents or primary caregivers attending selected public and private primary healthcare facilities across Nigeria. A multistage sampling technique will be used to select geopolitical zones, states, local government areas, communities, healthcare facilities, and eligible children-caregiver pairs. Measles vaccination reminder systems will be assessed using indicators such as type of reminder used, frequency and timing of reminders, SMS or phone-call reminders, appointment cards, community health worker follow-up, digital reminders, reminder content, caregiver receipt and understanding of reminders, and availability of follow-up systems. Routine measles immunization attendance will be assessed using indicators such as attendance at scheduled immunization appointments, timeliness of measles vaccination, completion of recommended measles-containing vaccine doses according to the applicable national schedule, missed appointments, delayed vaccination, return visits after reminders, and documented vaccination status. Data will be collected using structured questionnaires, child immunization cards, immunization registers, healthcare-facility records, reminder-system records, and relevant routine immunization programme documents. Descriptive statistics will be used to summarize caregivers' characteristics, reminder exposure, vaccination knowledge, and children's immunization attendance patterns. Inferential statistical techniques, including chi-square tests, t-tests, correlation analysis, and logistic or multiple regression analysis where appropriate, will be used to determine the impact of measles vaccination reminder systems on routine measles immunization attendance. Where a quasi-experimental design is adopted, attendance and timeliness before and after implementation of the reminder system may be compared with those of a comparison group or facility to determine changes associated with the intervention. Diagnostic tests will also be conducted to assess the reliability, validity, and robustness of the findings. The study is expected to find that measles vaccination reminder systems have a significant positive impact on routine measles immunization attendance among children in Nigeria. Children whose parents or caregivers receive timely and understandable vaccination reminders are expected to have higher rates of attendance at scheduled measles immunization appointments and lower rates of missed or delayed vaccination than children whose caregivers do not receive comparable reminders. Reminder systems may help caregivers remember appointment dates, understand the importance of completing scheduled vaccinations, and return to healthcare facilities at the appropriate time. Community health worker follow-up may be particularly useful in reaching households with limited access to digital communication. However, poor mobile-network coverage, changes in caregivers' telephone numbers, low literacy, misinformation, transportation costs, vaccine availability, inconvenient clinic schedules, and inadequate health-facility follow-up may limit the effectiveness of reminder systems. The study therefore expects accessible, timely, reliable, and caregiver-friendly vaccination reminder systems, supported by functional routine immunization services, to contribute significantly to improved measles immunization attendance among children in Nigeria. The study is expected to contribute to the literature on routine immunization, measles prevention, vaccination reminder systems, childhood immunization, vaccine uptake, maternal and child health, health communication, digital health interventions, and public health in Nigeria. The findings will provide useful information to the Federal Ministry of Health and Social Welfare, National Primary Health Care Development Agency, National Primary Health Care Development Agency's immunization programmes, state primary healthcare boards, local government health authorities, primary healthcare centres, community health workers, development partners, and policymakers regarding strategies for improving routine childhood immunization. The study will also provide evidence-based recommendations for strengthening SMS and phone-based vaccination reminders, integrating reminder systems into routine immunization services, improving caregiver follow-up, maintaining accurate contact information, expanding community health worker reminder activities, reducing missed vaccination opportunities, and strengthening routine measles immunization programmes across Nigeria.

Keywords: Measles vaccination reminder systems, routine measles immunization, immunization attendance, childhood vaccination, measles prevention, vaccination reminders, caregivers, routine immunization, child health, Nigeria, public health.