Pedro Curi Hallal
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View article: Evolved birth physiology meets modern birth practice: Sustained effects of planned cesarean delivery on child hair cortisol in Brazil
Evolved birth physiology meets modern birth practice: Sustained effects of planned cesarean delivery on child hair cortisol in Brazil Open
Cesarean section (CS) is the most common major surgery worldwide and, by enabling birth outside physiologic labor, is an evolutionary novelty. Labor-related mechanical and hormonal stimuli, shaped by natural selection, facilitate neonatal …
View article: Urban violence as a predictor factor of obesity: longitudinal evidence from Sao Paulo, Brazil
Urban violence as a predictor factor of obesity: longitudinal evidence from Sao Paulo, Brazil Open
Our findings suggest that urban violence may play an important role in the causal pathway of obesity, and the importance of integrating social environmental factors into strategies for obesity prevention.
View article: A bibliometric analysis of three decades of research on the correlates and determinants of physical activity in China
A bibliometric analysis of three decades of research on the correlates and determinants of physical activity in China Open
Objective: This study examines three decades of research progress on the correlates and determinants of physical activity in China, by analyzing the trends and characteristics of publications from 1990 to 2019. Methods: A systematic review…
View article: Progress in Physical Activity Surveillance, Research, and Policy in Mexico: The Global Observatory for Physical Activity
Progress in Physical Activity Surveillance, Research, and Policy in Mexico: The Global Observatory for Physical Activity Open
Introduction Physical inactivity is a global concern, linked to over 5 million annual deaths and a significant burden of noncommunicable diseases (NCDs). This study focuses on Mexico, where NCDs contribute to 80% of all deaths, reporting o…
View article: Associations between 24-hour movement compositions and cardiometabolic health in children and adolescents: a five-part compositional analysis using data from the International Children’s Accelerometery Database (ICAD)
Associations between 24-hour movement compositions and cardiometabolic health in children and adolescents: a five-part compositional analysis using data from the International Children’s Accelerometery Database (ICAD) Open
Objectives The benefits of physical activity (PA) and the negative impacts of sedentary time (SED) on health in youth are well established. However, uncertainty remains surrounding how PA and SED jointly influence cardiometabolic risk (CMR…
View article: The Global Consortium of Oral Health Birth Cohort Studies—GLOBICS
The Global Consortium of Oral Health Birth Cohort Studies—GLOBICS Open
This article highlights the transformative initiatives of the Global Consortium of Oral Health Birth Cohort Studies (GLOBICS) as a key response to the call for a global overhaul of the oral health agenda. Recognizing the critical role of b…
View article: Descrição e avaliação de um escore de consumo de alimentos ultraprocessados para crianças
Descrição e avaliação de um escore de consumo de alimentos ultraprocessados para crianças Open
OBJECTIVE: To present a screener for consumption of ultra-processed foods for children in early childhood, evaluating the ability of the score generated by this screener to reflect the participation of ultra-processed foods in children’s d…
View article: Descrição e avaliação de um escore de consumo de alimentos ultraprocessados para crianças
Descrição e avaliação de um escore de consumo de alimentos ultraprocessados para crianças Open
OBJECTIVE: To present a screener for consumption of ultra-processed foods for children in early childhood, evaluating the ability of the score generated by this screener to reflect the participation of ultra-processed foods in children’s d…
View article: Impacts of vaccination, school attendance, and nutrition on SARS-CoV-2 antibody titer in a prospective birth cohort in Brazil.
Impacts of vaccination, school attendance, and nutrition on SARS-CoV-2 antibody titer in a prospective birth cohort in Brazil. Open
In this study, we examine the association between COVID-19 vaccination and antibody titer and whether this association varies by nutritional status and duration of school attendance using linear regression models applied to seven-year-old …
View article: How COVID-19 pandemic impacted students’ and staff ’s physical activity at a Brazilian University?
How COVID-19 pandemic impacted students’ and staff ’s physical activity at a Brazilian University? Open
Introduction: Physical activity and its positive effects on coronavirus have been extensively discussed in the literature. However, there is still a lack of evidence on the effects of the coronavirus pandemic on the health-related behavior…
View article: Maternal health during pregnancy and oral health of 4-year-olds: a birth cohort study from Brazil
Maternal health during pregnancy and oral health of 4-year-olds: a birth cohort study from Brazil Open
Data were collected by trained interviewers at primary healthcare units and hospitals during pregnancy and childbirth, and by trained dentists when the children were 4 years old. A total of 3,644 mothers and 3,645 babies were included in t…
View article: Patterns of Screen Time From Ages 2 to 6–7 Years in South Brazil: A Prospective Study
Patterns of Screen Time From Ages 2 to 6–7 Years in South Brazil: A Prospective Study Open
Background Screen use has become nearly universal, especially in children. Therefore, it is important not only to comprehend its effects on health but also to understand its patterns of use. We aim to describe screen use patterns among chi…
View article: Abusive consumption of alcoholic beverages: results from COVITEL, the Telephone Survey of Risk and Protective Factors for Noncommunicable Chronic Diseases, 2022 and 2023
Abusive consumption of alcoholic beverages: results from COVITEL, the Telephone Survey of Risk and Protective Factors for Noncommunicable Chronic Diseases, 2022 and 2023 Open
Objective: To estimate the prevalence of abusive alcohol consumption, drinking and driving habits and reports of alcohol consumption comparing the first quarters of 2022 and 2023. Methods: A cross-sectional study, with data from the Teleph…
View article: Lessons from 13 years of accelerometry measurements in five Brazilian cohorts: methodological aspects
Lessons from 13 years of accelerometry measurements in five Brazilian cohorts: methodological aspects Open
This study describes key methodological decisions and their justifications for accelerometer data collection, processing, and cleaning/analysis in Pelotas (Rio Grande do Sul State, Brazil) cohorts, exemplifying how research using sensor mo…
View article: Physical activity patterns in adolescents: A longitudinal study
Physical activity patterns in adolescents: A longitudinal study Open
The present study aimed at describing and comparing the physical activity (PA) patterns of adolescents from a middle‐income country over a 4‐year period. This is a longitudinal observational study (four waves of data collection, 2014–2017)…
View article: A post-pandemic snapshot of the magnitude of COVID-19 in Brazil: A countrywide study
A post-pandemic snapshot of the magnitude of COVID-19 in Brazil: A countrywide study Open
There were inequalities in COVID-19 testing in Brazil. Testing and vaccination policies implemented in the COVID-19 pandemic must be reevaluated by the Brazilian government.
View article: Analysis of the Prevalence of Traumatic Dental Injuries in the Primary Dentition: Findings From a Cohort Study Involving 4‐Year‐Old Children From South Brazil
Analysis of the Prevalence of Traumatic Dental Injuries in the Primary Dentition: Findings From a Cohort Study Involving 4‐Year‐Old Children From South Brazil Open
Objective To identify factors associated with the prevalence of traumatic dental injuries (TDI) in children at 4 years of age. Methods Participants from the 2015 Pelotas (Brazil) birth cohort were included. Demographic, socioeconomic, beha…
View article: Family Car Ownership: Driving Inactivity in Young People? Cross-Sectional and Longitudinal Analyses in the International Children’s Accelerometry Database
Family Car Ownership: Driving Inactivity in Young People? Cross-Sectional and Longitudinal Analyses in the International Children’s Accelerometry Database Open
Background : Ubiquitous car ownership may affect children’s activity and health. We assessed the cross-sectional and longitudinal associations between household car ownership and children’s daily time spent sedentary (SED) and in moderate …
View article: Gender Gap for Accelerometry-Based Physical Activity Across Different Age Groups in 5 Brazilian Cohort Studies
Gender Gap for Accelerometry-Based Physical Activity Across Different Age Groups in 5 Brazilian Cohort Studies Open
Objectives : This study aims to evaluate the gender inequalities in accelerometer-based physical activity (PA) across different age groups using data from 5 Pelotas (Brazil) cohorts. Methods : The data come from 4 birth cohort studies, cov…
View article: Effects of reducing sedentary behaviour by increasing physical activity, on cognitive function, brain function and structure across the lifespan: a systematic review and meta-analysis
Effects of reducing sedentary behaviour by increasing physical activity, on cognitive function, brain function and structure across the lifespan: a systematic review and meta-analysis Open
Objective To examine the acute and chronic effects of reducing prolonged sedentary time (ST) with physical activity (PA) on cognitive and brain health. Design Systematic review and meta-analysis. Data sources PubMed, Scopus, CINAHL, PsycIN…
View article: Celebrating 10 Years of the Global Observatory for Physical Activity—GoPA!
Celebrating 10 Years of the Global Observatory for Physical Activity—GoPA! Open
The Global Observatory for Physical Activity (GoPA!) is a grass roots network consisting of many of the best physical activity researchers, policy makers and practitioners from around the world. 1 As an independent, democratic, and informa…
View article: Cohort Profile Update: 2015 Pelotas (Brazil) Birth Cohort Study－follow-ups from 2 to 6–7 years, with COVID-19 impact assessment
Cohort Profile Update: 2015 Pelotas (Brazil) Birth Cohort Study－follow-ups from 2 to 6–7 years, with COVID-19 impact assessment Open
What is the reason for the new data collection?There were four main reasons to conduct new follow-ups at 2 years, 4 years, 5 years and 6-7 years: (i) to monitor lifecourse determinants of health as children moved into middle Key Features� …