Factors associated with vaccine coverage improvements in Senegal between 2005 and 2019: a quantitative retrospective analysis

Autor: Matthew C Freeman, Francisco Castillo-Zunino, Pinar Keskinocak, Dima Nazzal, Moussa Sarr, Zoë M Sakas, Hannah K Smalley
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMJ Open, Vol 13, Iss 10 (2023)
Druh dokumentu: article
ISSN: 2044-6055
DOI: 10.1136/bmjopen-2023-074388
Popis: Objective Senegal has demonstrated catalytic improvements in national coverage rates for early childhood vaccination, despite lower development assistance for childhood vaccines in Senegal compared with other low-income and lower-middle income countries. Understanding factors associated with historical changes in childhood vaccine coverage in Senegal, as well as heterogeneities across its 14 regions, can highlight effective practices that might be adapted to improve vaccine coverage elsewhere.Design Childhood vaccination coverage rates, demographic information and health system characteristics were identified from Senegal’s Demographic and Health Surveys (DHS) and Senegal national reports for years 2005–2019. Multivariate logistic and linear regression analyses were performed to determine statistical associations of demographic and health system characteristics with respect to childhood vaccination coverage rates.Setting The 14 administrative regions of Senegal were chosen for analysis.Participants DHS women’s survey respondents with living children aged 12–23 months for survey years 2005–2019.Outcome measures Immunisation with the third dose of the diphtheria-tetanus-pertussis vaccine (DTP3), widely used as a proxy for estimating immunisation coverage levels and the retention of children in the vaccine programme.Results Factors associated with childhood vaccination coverage include urban residence (β=0.61, p=0.0157), female literacy (β=1.11, p=0.0007), skilled prenatal care (β=1.80, p
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