Prevalence and factors associated with adverse early childhood experiences: a population-based study in Ceará, Brazil.

Objective: To estimate the prevalence of adverse childhood experiences and identify associated factors.

Methods: A population-based cross-sectional study comprised data from a sample of 3,200 households with 3,566 children under 6 years of age, representative of the state of Ceará, Brazil. A multistage sampling approach was used, with stratification among the state capital, Fortaleza, and the 28 countryside municipalities, in which 160 census tracts were randomly selected, each one with a cluster of 20 households.

Breastfeeding Practices Before and During the COVID-19 Pandemic in Fortaleza, Northeastern Brazil.

Background: Physical distancing associated with the COVID-19 pandemic may lead to suboptimal maternal mental health, social support after birth, and infant feeding practices.

Research Aims: To compare breastfeeding prevalence in participants who were pregnant at a time when strict physical distancing measures were imposed in Fortaleza, the capital of Ceará state, Brazil, with the pre-pandemic breastfeeding levels, and to assess the association of breastfeeding prevalence with maternal common mental disorders, and sociodemographic and health predictors.

Method: A cross-sectional prospective two-group comparison design using two population-based surveys was carried out in Fortaleza before and after the pandemic.

Screen time and early childhood development in Ceará, Brazil: a population-based study.

Background: Globally, children's exposure to digital screens continues to increase and is associated with adverse effects on child health. We aimed to evaluate the association of screen exposure with child communication, gross-motor, fine-motor, problem-solving, and personal-social development scores.

Methods: We conducted a population-based, cross-sectional study with cluster sampling among children 0-60 months of age living in the state of Ceará, Brazil.

Prevalence, socioeconomic factors and obstetric outcomes associated with adolescent motherhood in Ceará, Brazil: a population-based study.

Background: Adolescent motherhood (AM) remains a public health problem, especially in low and middle income countries, where approximately 95% of these births occur. Evidence from studies with population representativeness about events associated with AM is limited. We assessed the prevalence of AM, as well as its association with Socioeconomic Factors and Obstetric Outcomes.

Factors associated with trachoma treatment and control treatment in schools of municipality of the Northeast Region, Brazil.

Introduction: Trachoma maintains itself as a public health problem and an important cause of morbidity, visual impairment and preventable blindness in Brazil.

Objective: To analyze factors associated with treatment and control of trachoma treatment in schoolchildren diagnosed during the national campaign in 2014, in the town of Russas, Ceará.

Methodology: A cross-sectional study was brought out from January to April 2016.

Prevalence and socioeconomic determinants of development delay among children in Ceará, Brazil: A population-based study.

Objective: To assess the prevalence of child development delay and to identify socioeconomic determinants.

Study Design: We conducted a population-based cross-sectional study of children 2 to 72 months of age residing in the state of Ceará, Brazil. In total, 3200 households were randomly selected for participation in the study and had child development assessed with the Ages and Stages Questionnaire (ASQ) version 3.

Zika Virus Infection and Microcephaly: A Case-Control Study in Brazil.

Background: Brazil presented an alarming number of newborns with microcephaly in the years 2015 and 2016. The investigation of the cases raised the suspicion of the association of these cases with maternal infections by the zika virus. Also, in 2015, there was an epidemic of zika virus infection in Brazil, reinforcing this hypothesis.

Methodology of Maternal and Child Health Populational Surveys: A Statewide Cross-sectional Time Series Carried Out in Ceará, Brazil, from 1987 to 2017, with Pooled Data Analysis for Child Stunting.

Background: Cross-sectional studies are fundamental studies in the practice of epidemiological science. This article aims to present in detail the methodology for conducting a series of cross-sectional studies, as well as the analysis of data through pooled data.

Methods: The series of studies are population cross-sectional studies, with statewide coverage, searching for representative sample of reproductive aged women and pre-school children in Ceará, Brazil.

Effects of Vitamin A supplementation on child morbidity: a twenty-year time series analysis in the northeastern region of Brazil.

The present study aimed to determine the prevalence of supplementation between 1987 and 2007, and to measure the impact of this on morbidity. Five sequential cross-sectional studies in a 20-year time span were analyzed. Each had a sample of 8,000 domiciles representative of Ceará, in northeastern Brazil.

Reducing child mortality: the contribution of Ceará state, northeast of Brazil, on achieving the Millennium Development Goal 4 in Brazil.

To describe the experience of Ceará, Northeast of Brazil, state on improving child survival, over a 20 year period, and discuss its contribution to Brazil's progress toward the achievement of MDG 4. Five population-based, statewide household surveys, with children <3 years of age, known as PESMIC (Mother and Child Health Survey of Ceará), were conducted in 1987, 1990, 1994, 2001 and 2007. They aimed to investigate levels and causes of mortality and access to child health services.

Prevalence and determinants of child undernutrition and stunting in semiarid region of Brazil.

Objective: To analyze the evolution in the prevalence and determinants of malnutrition in children in the semiarid region of Brazil.

Methods: Data were collected from two cross-sectional population-based household surveys that used the same methodology. Clustering sampling was used to collect data from 8,000 families in Ceará, Northeastern Brazil, for the years 1987 and 2007.

[Prevalence and determinants of obesity and overweight among reproductive age women living in the semi-arid region of Brazil].

The study estimated the prevalence and determinants of overweight and obesity in women of reproductive age in the Semi-Arid Region of Brazil. In the cluster sampling of 8,000 households of the state of Ceará, 6,845 women were surveyed. Overweight and obesity were measured by the body mass index and risk factors identified by multivariate analysis.