Temporal trend of the dropout rate and vaccination coverage of the triple viral vaccine in Brazil, 2014-2021
Abstract Objective: to analyze the temporal trend of coverage and dropout rate for triple viral vaccine in Brazil, according to the country's Federative Units and Macro-Regions, between 2014 and 2021. Methods: this was an ecological time series study, using data from the National Immunization P...
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| Main Authors: | , , |
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| Format: | Book |
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Ministério da Saúde do Brasil,
2023-10-01T00:00:00Z.
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| Summary: | Abstract Objective: to analyze the temporal trend of coverage and dropout rate for triple viral vaccine in Brazil, according to the country's Federative Units and Macro-Regions, between 2014 and 2021. Methods: this was an ecological time series study, using data from the National Immunization Program Information System and the Live Birth Information System; joinpoint regression models were used. Results: in Brazil as a whole annual vaccination coverage was below 95% and ranged from 92.3% (2015) to 54.4% (2021); the second dose of the vaccine showed a decreasing temporal trend in the period (average change over the period = -5.8; 95%CI -10.5;-0.8); the temporal trends were stationary and decreasing in the country's Federative Units; the dropout rate ranged from 22.2% (2014) to 37.4% (2021). Conclusion: there was a downward trend in vaccination coverage and an increase in the dropout rate in Brazil as a whole and in the country's Federative Units. |
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| Item Description: | 2237-9622 10.1590/s2237-96222023000300004.en |