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Article
Open AccessEstimation and probabilistic projection of age- and sex-specific mortality rates across Brazilian municipalities between 2010 and 2030
Mortality rate estimation in small areas can be difficult due the low number of events/exposure (i.e. stochastic error). If the death records are not completed, it adds a systematic uncertainty on the mortalit...
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Article
Open AccessEvaluating the relationship between conditional cash transfer programme on preterm births: a retrospective longitudinal study using the 100 million Brazilian cohort
Preterm births increase mortality and morbidity during childhood and later life, which is closely associated with poverty and the quality of prenatal care. Therefore, income redistribution and poverty reductio...
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Article
Open AccessIdentifying biologically implausible values in big longitudinal data: an example applied to child growth data from the Brazilian food and nutrition surveillance system
Several strategies for identifying biologically implausible values in longitudinal anthropometric data have recently been proposed, but the suitability of these strategies for large population datasets needs t...
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Article
Open AccessIncome determines the impact of cash transfers on HIV/AIDS: cohort study of 22.7 million Brazilians
Living with extremely low-income is an important risk factor for HIV/AIDS and can be mitigated by conditional cash transfers. Using a cohort of 22.7 million low-income individuals during 9 years, we evaluated ...
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Article
Open AccessEthnoracial disparities in childhood growth trajectories in Brazil: a longitudinal nationwide study of four million children
The literature contains scarce data on inequalities in growth trajectories among children born to mothers of diverse ethnoracial background in the first 5 years of life.
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Article
Open AccessAssociation between food environments and fetal growth in pregnant Brazilian women
Birth weight is described as one of the main determinants of newborns’ chances of survival. Among the associated causes, or risk factors, the mother’s nutritional status strongly influences fetal growth and bi...
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Article
Open AccessCesarean sections and early-term births according to Robson classification: a population-based study with more than 17 million births in Brazil
Cesarean section (CS) rates are increasing worldwide and are associated with negative maternal and child health outcomes when performed without medical indication. However, there is still limited knowledge abo...
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Article
Open AccessVaccine coverage and effectiveness against laboratory-confirmed symptomatic and severe Covid-19 in indigenous people in Brazil: a cohort study
Indigenous people have historically suffered devastating impacts from epidemics and continue to have lower access to healthcare and be especially vulnerable to respiratory infections. We estimated the coverage...
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Article
Open AccessBiases arising from linked administrative data for epidemiological research: a conceptual framework from registration to analyses
Linked administrative data offer a rich source of information that can be harnessed to describe patterns of disease, understand their causes and evaluate interventions. However, administrative data are primari...
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Article
Open AccessA multinational Delphi consensus to end the COVID-19 public health threat
Despite notable scientific and medical advances, broader political, socioeconomic and behavioural factors continue to undercut the response to the COVID-19 pandemic1,2. Here we convened, as part of this Delphi st...
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Article
Open AccessInequality and income segregation in Brazilian cities: a nationwide analysis
Residential segregation has brought significant challenges to cities worldwide and has important implications for health. This study aimed to assess income segregation in the 152 largest Brazilian cities in th...
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Article
Open AccessVaccine effectiveness of CoronaVac against COVID-19 among children in Brazil during the Omicron period
Although severe COVID-19 in children is rare, they may develop multisystem inflammatory syndrome, long-COVID and downstream effects of COVID-19, including social isolation and disruption of education. Data on ...
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Article
Open AccessDuration of protection of CoronaVac plus heterologous BNT162b2 booster in the Omicron period in Brazil
To date, no information has been published on the effectiveness of inactivated whole-virus COVID-19 vaccines plus heterologous booster against symptomatic infection and severe outcomes (hospitalization or deat...
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Article
Open AccessPopulation-based surveillance for congenital zika virus syndrome: a latent class analysis of recorded cases from 2015–2018
This study aims to describe clinical findings and determine the medium-term survival of congenital zika syndrome (CZS) suspected cases.
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Article
Open AccessDifferences in risk factors for incident and recurrent preterm birth: a population-based linkage of 3.5 million births from the CIDACS birth cohort
Preterm birth (PTB) is a syndrome resulting from a complex list of underlying causes and factors, and whether these risk factors differ in the context of prior PTB history is less understood. The aim of this s...
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Article
Open AccessCoronaVac vaccine is effective in preventing symptomatic and severe COVID-19 in pregnant women in Brazil: a test-negative case-control study
More doses of CoronaVac have been administered worldwide than any other COVID-19 vaccine. However, the effectiveness of COVID-19 inactivated vaccines in pregnant women is still unknown. We estimated the vaccin...
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Article
Open AccessVaccine effectiveness of heterologous CoronaVac plus BNT162b2 in Brazil
There is considerable interest in the waning of effectiveness of coronavirus disease 2019 (COVID-19) vaccines and vaccine effectiveness (VE) of booster doses. Using linked national Brazilian databases, we unde...
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Article
Open AccessAuthor Correction: Whole-genome sequencing of 1,171 elderly admixed individuals from Brazil
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Open AccessWhole-genome sequencing of 1,171 elderly admixed individuals from Brazil
As whole-genome sequencing (WGS) becomes the gold standard tool for studying population genomics and medical applications, data on diverse non-European and admixed individuals are still scarce. Here, we presen...
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Article
Open AccessTrends in method-specific suicide in Brazil from 2000 to 2017
Understanding long-term patterns of suicide methods can inform public health policy and prevention strategies. In Brazil, firearm-related policies may be one salient target for suicide prevention. This study d...
