Vaccination coverage in children under one year of age and associated socioeconomic factors: maps of spatial heterogeneity.
Matheus Adriano Divino Pereira, Luis Henrique Arroyo, Maria Del Pilar Serrano Gallardo and 5 others
PMID 37729269WHAT IT FOUND
Infant vaccination coverage in Minas Gerais was uneven, with some macro-regions missing all targets.
More low-income families and greater inequality were linked to lower chance of reaching targets.
Key findings
01The Center, Jequitinhonha and Triângulo do Sul macro-regions did not reach the recommended coverage goals for all vaccines analyzed.
02Spatial scan detected statistically significant clusters for all six vaccines, and some large clusters had a lower chance of vaccinating their population.
03A higher number of families with per capita income up to 1/2 minimum wage was associated with a lower chance of municipalities reaching vaccine coverage goals.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study analysed municipalities, not individual children or families, so the findings cannot be applied to a specific patient. Vaccination coverage was calculated from administrative records, and record quality may have affected the results. There may be variation within municipalities and between other clusters that the study did not capture. The models had only reasonable predictive power, with area under the ROC curve values from 0.54 to 0.63, so other unmeasured factors likely matter. The Minas Gerais Social Responsibility Index had wide confidence intervals, so its exact association is uncertain.
Declared interests
The work was funded by CAPES (Code 001) and the Minas Gerais Research Support Foundation (APQ-00638-21).
The easy way to misread this
Do not read the spatial clusters or income associations as proof that low income causes low vaccination coverage. The study compared municipalities, not individual children, and the models had reasonable but limited predictive power.