ABSTRACT Objective To estimate vaccination coverage and analyze factors associated with full vaccination among children up to 15 months old in the city of Natal-RN, Brazil. Methods Population-based survey with data recorded on children’s vaccination cards and interviews conducted in 2020 and 2021. Analysis of factors associated with complete vaccination was performed by calculating prevalence ratios (PR) and 95% confidence intervals (95%CI) using Poisson regression. Results Among 688 children studied, vaccination coverage was 45.4% (95%CI 37.2;53.9) and 15.5% (95%CI 10.6;22.2) for valid and on-time doses, respectively. Higher vaccination coverage was associated with females (PR=1.08; 95%CI 0.78;1.48) and socioeconomic strata C and D (PR=1.44; 95%CI 1.03;2.02). Conclusions The results demonstrate that the city of Natal has low vaccination coverage for all immunobiologicals. 1 NatalRN, NatalRN RN, RN Natal-RN Brazil Populationbased Population based childrens s 202 2021 PR (PR 95 95CI CI regression 68 studied 454 45 4 45.4 37.253.9 372539 37.2 53.9 37 2 53 9 37.2;53.9 155 5 15.5 10.622.2 106222 10.6 22.2 10 6 22 10.6;22.2 ontime time doses respectively PR=1.08 PR108 08 (PR=1.08 0.781.48 078148 0.78 1.48 0 78 48 0.78;1.48 PR=1.44 PR144 44 (PR=1.44 1.032.02. 103202 1.03 2.02 . 03 02 1.03;2.02) immunobiologicals 20 45. 253 37.253. 37253 372 37. 539 53. 3 37.2;53. 15. 622 10.622. 10622 106 10. 222 22. 10.6;22. PR=1.0 PR10 (PR=1.0 781 0.781.4 07814 078 0.7 148 1.4 7 0.78;1.4 PR=1.4 PR14 (PR=1.4 032 1.032.02 10320 103 1.0 2.0 1.03;2.02 25 37.253 3725 37.2;53 62 10.622 1062 10.6;22 PR=1. PR1 (PR=1. 0.781. 0781 07 0. 14 1. 0.78;1. 1.032.0 1032 2. 1.03;2.0 37.25 37.2;5 10.62 10.6;2 PR=1 (PR=1 0.781 0.78;1 1.032. 1.03;2. 37.2; 10.6; PR= (PR= 0.78; 1.032 1.03;2 1.03;
RESUMO Objetivo Estimar as coberturas vacinais e analisar os fatores associados à vacinação completa de crianças com até 15 meses de vida em Natal, Rio Grande do Norte. Métodos Utilizou-se inquérito de base populacional com dados registrados na caderneta de vacinação e entrevistas realizadas em 2020 e 2021. A análise de fatores associados à vacinação completa foi realizada pelo cálculo das razões de prevalência (RP) e intervalos de confiança de 95% (IC95%) pela regressão de Poisson. Resultados Entre as 688 crianças estudadas, a cobertura vacinal foi de 45,4% (IC95% 37,2;53,9), e de 15,5% (IC95% 10,6;22,2) para as doses válidas e oportunas. O sexo feminino (RP=1,08; IC95% 0,78;1,48) e os estratos socioeconômicos C e D (RP=1,44; IC95% 1,03;2,02) foram os que tiveram a maior cobertura vacinal. Conclusões Os resultados mostraram baixas coberturas vacinais para todos os imunobiológicos em Natal. 1 Natal Norte Utilizouse Utilizou se 202 2021 RP (RP 95 IC95 IC Poisson 68 estudadas 454 45 4 45,4 (IC95 37,253,9, 372539 37,2 53,9 , 37 2 53 9 37,2;53,9) 155 5 15,5 10,622,2 106222 10,6 22,2 10 6 22 10,6;22,2 oportunas RP=1,08 RP108 08 (RP=1,08 0,781,48 078148 0,78 1,48 0 78 48 0,78;1,48 RP=1,44 RP144 44 (RP=1,44 1,032,02 103202 1,03 2,02 03 02 1,03;2,02 20 IC9 45, (IC9 253 37,253,9 37253 372 37, 539 53, 3 37,2;53,9 15, 622 10,622, 10622 106 10, 222 22, 10,6;22, RP=1,0 RP10 (RP=1,0 781 0,781,4 07814 078 0,7 148 1,4 7 0,78;1,4 RP=1,4 RP14 (RP=1,4 032 1,032,0 10320 103 1,0 2,0 1,03;2,0 (IC 25 37,253, 3725 37,2;53, 62 10,622 1062 10,6;22 RP=1, RP1 (RP=1, 0,781, 0781 07 0, 14 1, 0,78;1, 1,032, 1032 2, 1,03;2, 37,253 37,2;53 10,62 10,6;2 RP=1 (RP=1 0,781 0,78;1 1,032 1,03;2 37,25 37,2;5 10,6; RP= (RP= 0,78; 1,03; 37,2;
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