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Hepatitis A vaccination coverage survey in 24-month-old children living in Brazilian capitals, 2020. | LitMetric

AI Article Synopsis

  • A study was conducted to assess hepatitis A vaccination rates among 24-month-old children, covering 31,001 kids from different socioeconomic backgrounds between 2020 and 2022, revealing a coverage of 88.1%, which is below the target of 95%.
  • Factors linked to non-vaccination included having immigrant parents/guardians in higher socioeconomic strata, children of Asian descent, fourth-born children or later, those not in daycare, and mothers with jobs in lower strata.
  • The findings highlight the need for health authorities to monitor vaccination coverage closely and address specific social factors influencing Hepatitis A vaccination rates, while emphasizing the necessity for more research on migration's effects on vaccination.

Article Abstract

Objective: To estimate hepatitis A vaccination coverage in 24-month-old children and identify factors associated with non-vaccination.

Methods: This was a survey involving a sample stratified by socioeconomic strata in capital cities (2020-2022), with coverage estimates and 95% confidence intervals (95%CI), the factor analysis was performed using the prevalence ratio (PR) by means of Poisson regression.

Results: Among 31,001 children, hepatitis A coverage was 88.1% (95%CI 86.8;89.2). Regarding socioeconomic strata (A/B), the variable immigrant parents/guardians was associated with non-vaccination (PR = 1.91; 95%CI 1.09;3.37); in strata C/D, children of Asian race/skin color (PR = 4.69; 95%CI 2.30;9.57), fourth-born child or later (PR = 1.68; 95%CI 1.06;2 .66), not attending daycare/nursery (PR = 1.67; 95%CI 1.24;2.24) and mother with paid work (PR = 1.42; 95%CI 1.16;1.74) were associated with non-vaccination.

Conclusion: Hepatitis A coverage was below the target (95%), suggesting that specificities of social strata should be taken into consideration.

Main Results: Hepatitis A vaccination coverage was 88%. Non-vaccination was greater in children with immigrant guardians (strata A/B); of Asian race/skin color, fourth-born child or later, those not attending daycare/nursery and mother with paid work (C/D strata).

Implications For Services: The results of this study contributed to the Ministry of Health and Health Departments in monitoring vaccination coverage and identifying factors that may negatively impact hepatitis A vaccination coverage.

Perspectives: Further research is needed on the impact of migration on hepatitis A vaccination and vaccination in general. Health managers should be attentive to the different factors affecting vaccination among social strata.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11493397PMC
http://dx.doi.org/10.1590/S2237-96222024v33e20231162.enDOI Listing

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