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Routine childhood immunization in Sub-Saharan Africa: addressing parental vaccine hesitancy
N Fadl1, S A Abdelmoneim2, A Gebreal3
1Family Health Department, High Institute of Public Health, Alexandria University, Alexandria, Egypt.
Insights
Parental vaccine hesitancy (VH) affects 21.2% of parents in Sub-Saharan Africa. Interventions targeting urban residency, child health, and maternal factors like antenatal care are crucial for improving childhood immunization coverage.
Area of Science:
- Global Health
- Pediatrics
- Public Health Policy
Background:
- Parental vaccine hesitancy (VH) poses a significant challenge to achieving high childhood immunization rates globally.
- Understanding the specific determinants of VH in diverse populations is essential for developing effective public health strategies.
Purpose of the Study:
- To identify the key factors contributing to parental VH towards routine childhood immunizations.
- To analyze the mediating role of VH in the relationship between maternal characteristics and vaccination uptake in Sub-Saharan Africa.
Main Methods:
- A cross-sectional study involving 5032 parents of children aged 19 months to 6 years in 12 Sub-Saharan African countries.
- Data collected via anonymous online surveys and face-to-face interviews using the Parent Attitude about Childhood Vaccine Scale.
- Multivariate regression and mediating analyses were employed to identify determinants and mediation effects.
Main Results:
- 21.2% of parents exhibited hesitancy towards routine childhood immunizations.
- Factors increasing VH included urban residency, non-first-born children, and chronically ill children.
- Higher maternal education, antenatal care (ANC) visits, and facility-based delivery were associated with decreased VH.
- VH mediated the effects of ANC and maternal age on vaccination uptake, reducing uptake likelihood.
Conclusions:
- Targeted, context-specific interventions are necessary to address parental VH.
- Improving access to ANC and facility-based delivery may help reduce VH and increase vaccine acceptance.
- Strategies should consider socio-demographic and child-specific factors influencing parental decisions on vaccination.
Objectives:
Parental vaccine hesitancy (VH) is a major barrier to childhood vaccination. We aimed to identify the determinants of parental VH towards routine childhood immunization in 12 Sub-Saharan African countries.
Study Design:
A cross-sectional study was conducted from November 1 to December 15, 2022.
Methods:
Parents of children aged 19 months to 6 years and residing in the Sub-Saharan Africa were included. An anonymous online survey and face-to-face interviews were conducted. The Parent Attitude about Childhood Vaccine Scale was used to identify vaccine-hesitant parents. Multivariate regression and mediating analysis were performed.
Results:
Across the 5032 participants, 21.2% were hesitant towards routine childhood immunization. Urban residents (adjusted odds ratio [AOR] = 1.32, 95% confidence interval [CI]: 1.10-1.58), non-first-born children (AOR = 1.54, 95% CI: 1.19-1.98), and chronically ill children (AOR = 2.00, 95% CI: 1.69-2.37) increased the likelihood of parental VH. Mothers with higher education, attending at least one antenatal care (ANC) visit (AOR = 0.25, 95% CI: 0.19-0.32), and had a healthcare facility-based delivery (AOR = 0.55, 95% CI: 0.44-0.70) decreased the odds of parental VH. Parental VH mediated the effect of ANC and mothers' age on vaccination uptake. ANC increased the odds of vaccination uptake (odds ratio [OR] = 12.49, 95% CI: 9.68-16.13). Parental VH mediated the association between ANC and vaccination uptake, decreasing the likelihood of vaccination uptake (OR = 0.12, 95% CI: 0.10-0.14). Each additional year of the mother's age decreased the odds of vaccination uptake (OR = 0.95, 95% CI: 0.95-0.96). The indirect effect of mother's age on vaccination through parental VH decreased the odds of vaccination uptake (OR = 0.45, 95% CI: 0.44-0.45). Parental VH continued to be a mediator of the combined effect of mother's age and ANC on vaccination uptake, decreasing the likelihood of vaccination uptake (OR = 0.0017, 95% CI: 0.00166-0.00168).
Conclusions:
Context-specific interventions are needed to address parental VH and improve vaccine acceptance and coverage.
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