Vaccination coverage and factors associated with incomplete polio vaccine schedule in children born in 2017-2018, in state capitals and interior region municipalities of Northeast Brazil.

IF 2.5 Q1 Multidisciplinary

Epidemiologia e Servicos de Saude Pub Date : 2025-01-10 eCollection Date: 2025-01-01 DOI:10.1590/S2237-96222024v33e20231219.especial2.en

Alberto Novaes Ramos, Ramon da Costa Saavedra, Adjoane Mauricio Silva Maciel, Anderson Fuentes Ferreira, Taynara Lais Silva, Luisa Helena de Oliveira Lima, Carla Magda Allan Santos Domingues, Jaqueline Caracas Barbosa, Ligia Regina Franco Sansigolo Kerr, Ana Paula França, Pallysson Paulo da Silva, Maria da Gloria Teixeira, José Cássio de Moraes, 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 analyse vaccination coverage and factors associated with incomplete polio vaccination in a cohort of children born in 2017-2018, in state capitals and interior region municipalities of Northeast Brazil.

Methods: Household survey of children aged ≤24 months conducted between 2020 and 2022. Vaccination coverage and dropout rates were estimated, as well as factors associated with incomplete vaccination, analyzed by calculating odds ratios (OR) and 95% confidence intervals (95%CI).

Results: : Among 12,137 children, vaccination coverage (4 doses) was 80.9% (95%CI 78.4;83.1); 8.4% were not vaccinated. Not having a vaccination card (OR=18.06; 95%CI 10.01;32.61) and use of private services (OR=1.46; 95%CI 1.23;1.74) were associated with incomplete vaccination. Higher dropout rates were found for the booster dose, especially in the highest stratum.

Conclusion: Low vaccination coverage, poor dose follow-up and high dropout rates were found for polio vaccines in the areas studied.

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巴西东北部各州首府和内陆地区城市2017-2018年出生儿童的疫苗接种覆盖率和与脊髓灰质炎疫苗接种计划不完整相关的因素

目的：分析巴西东北部各州首府和内陆地区城市2017-2018年出生的一组儿童的疫苗接种覆盖率及其与脊髓灰质炎疫苗接种不完全相关的因素。方法：对2020 ~ 2022年年龄≤24月龄儿童进行入户调查。通过计算优势比（OR）和95%置信区间（95% ci），估计疫苗接种覆盖率和辍学率，以及与疫苗接种不完全相关的因素。结果：在12137名儿童中，疫苗接种率（4剂）为80.9% (95%CI 78.4;83.1)；8.4%未接种疫苗。没有接种疫苗卡(OR=18.06；95%CI 10.01;32.61)和使用私人服务(OR=1.46；95%CI 1.23;1.74)与不完全疫苗接种相关。增强剂的辍学率较高，特别是在最高阶层。结论：研究地区脊髓灰质炎疫苗接种率低、剂量随访差、辍学率高。

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