Vaccination coverage and factors associated with adherence to the vaccination schedule in young children of a rural area in Burkina Faso

Moubassira Kagoné, Maurice Yé, Eric Nébié, Ali Sie, Anja Schoeps, Heiko Becher, Olaf Muller, Ane Baerent Fisker, Moubassira Kagoné, Maurice Yé, Eric Nébié, Ali Sie, Anja Schoeps, Heiko Becher, Olaf Muller, Ane Baerent Fisker

Abstract

Background: Vaccination is an important tool for reducing infectious disease morbidity and mortality. In the past, less than 80% of children 12-23 months of age were fully immunized in Burkina Faso.

Objectives: To describe coverage and assess factors associated with adherence to the vaccination schedule in rural area Burkina Faso.

Methods: The study population was extracted from the Nouna Health and Demographic surveillance system cohort. Data from four rounds of interviews conducted between November 2012 and June 2014 were considered. This study included 4016 children aged 12-23 months. We assessed the effects of several background factors, including sex, factors reflecting access to health care (residence, place of birth), and maternal factors (age, education, marital status), on being fully immunized defined as having received Bacillus Calmette-Guérin (BCG), three doses of diphtheria-tetanus-pertussis and oral polio vaccine, and measles vaccine by 12 months of age. The associations were studied using binomial regression to derive prevalence ratios (PRs) in univariate and multivariate regression models.

Results: The full vaccination coverage increased significantly over time (72% in 2012, 79% in 2013, and 81% in 2014, p = 0.003), and the coverage was significantly lower in urban than in rural areas (PR 0.84; 0.80-0.89). Vaccination coverage was neither influenced by sex nor influenced by place of birth or by maternal factors.

Conclusion: The study documented a further improvement in full vaccination coverage in Burkina Faso in recent years and better vaccination coverage in rural than in urban areas. The organization of healthcare systems with systematic outreach activities in the rural areas may explain the difference between rural and urban areas.

Keywords: Health and demographic surveillance systems; expended programme on immunization; risk factors; vaccination coverage; vaccination schedule.

Conflict of interest statement

No potential conflict of interest was reported by the authors.

Figures

Figure 1.
Figure 1.
Vaccination coverage curves for children in Nouna HDSS 2012–2014 overall and subdivided by children who were fully immunized (FIC) and not FIC. Kaplan–Meier survival curves indicate vaccination coverage at specific ages. Black line: BCG vaccination; red lines: vaccination with pentavalent vaccines; blue lines: oral polio vaccine and green lines: measles vaccine.

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Source: PubMed

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