Factors associated with vaccination coverage: a population-based survey in Vitória, Espírito Santo, Brazil, 2020-2021.

IF 2.5 Q1 Multidisciplinary

Epidemiologia e Servicos de Saude Pub Date : 2025-01-10 eCollection Date: 2025-01-01 DOI:10.1590/S2237-96222024v33e20231195.especial2.en

João Paulo Cola, Laylla Ribeiro Macedo, Mariana Pereira da Silva Araújo, Thiago Nascimento do Prado, Tatiane Comerio, Adriana Ilha da Silva, Ana Paula França, José Cássio de Moraes, Ethel Leonor Noia Maciel, Adriana Ilha da Silva, Alberto Novaes Ramos, Ana Paula França, Andrea de Nazaré Marvão Oliveira, Antonio Fernando Boing, Carla Magda Allan Santos Domingues, Consuelo Silva de Oliveira, Ethel Leonor Noia Maciel, Ione Aquemi Guibu, Isabelle Ribeiro Barbosa Mirabal, Jaqueline Caracas Barbosa, Jaqueline Costa Lima, José Cássio de Moraes, Karin Regina Luhm, Karlla Antonieta Amorim Caetano, Luisa Helena de Oliveira Lima, Maria Bernadete de Cerqueira Antunes, Maria da Gloria Teixeira, Maria Denise de Castro Teixeira, Maria Fernanda de Sousa Oliveira Borges, Rejane Christine de Sousa Queiroz, Ricardo Queiroz Gurgel, Rita Barradas Barata, Roberta Nogueira Calandrini de Azevedo, Sandra Maria do Valle Leone de Oliveira, Sheila Araújo Teles, Silvana Granado Nogueira da Gama, Sotero Serrate Mengue, Taynãna César Simões, Valdir Nascimento, Wildo Navegantes de Araújo

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Abstract

Objective: To estimate prevalence of the full vaccination schedule for children 12 to 24 months old and to analyze associated factors.

Methods: Survey with cluster sampling carried out in Vitória, Espírito Santo, Brazil, between December 16, 2020, and January 4, 2021. Children born in Vitória in 2017 and 2018 were included. We estimated the prevalence of vaccination schedules. Poisson regression was used to verify association with full vaccination coverage.

Results: We included 788 children. Full vaccination coverage was found to be 57% taking a 95% confidence interval (95%CI 50.98;62.98). Prevalence of full vaccination coverage was lowest when private services were used for immunization (prevalence ratio [PR] 0.67; 95%CI 0.51;0.86) and when mothers had ≥ 4 children (PR 0.55; 95%CI 0.32;0.94).

Conclusion: We found low vaccination coverage and a drop in booster doses. Use of private services for immunization and number of children were associated with incomplete vaccination coverage.

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与疫苗接种覆盖率相关的因素：2020-2021年在巴西Vitória、Espírito Santo开展的基于人口的调查

目的：了解12 ~ 24月龄儿童完整疫苗接种计划的流行情况，并分析相关因素。方法：整群抽样调查于2020年12月16日至2021年1月4日在巴西桑托Vitória、Espírito进行。2017年和2018年在Vitória出生的孩子也包括在内。我们估计了疫苗接种计划的流行程度。泊松回归用于验证与完全疫苗接种覆盖率的关联。结果：纳入788名儿童。以95%可信区间（95% ci 50.98;62.98）计算，疫苗接种覆盖率为57%。当使用私人服务进行免疫接种时，完全疫苗接种覆盖率最低(患病率[PR] 0.67；95%CI 0.51;0.86)，当母亲有≥4个孩子时(PR 0.55；95%可信区间0.32;0.94)。结论：我们发现低疫苗接种覆盖率和加强剂量下降。使用私人免疫服务和儿童人数与疫苗接种覆盖率不全有关。

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