Demographic and socioeconomic characteristics of Brazilian adults and COVID-19: a risk group analysis based on the Brazilian National Health Survey, 2013.

This study aimed to characterize risk groups for COVID-19 in Brazil and to estimate the number of individuals living in the same household with persons in the risk group. Data were used from the Brazilian National Health Survey (PNS) of 2013. To characterize the risk groups, a binary multiple logistic regression model was adjusted in which the response variable was the presence or absence of at least one condition associated with COVID-19 and the explanatory variables were age, sex, major geographic region, color or race, schooling, and workforce status of the residents interviewed by the study.

Characteristics associated to a poor self-rated health in Brazilian adolescents, National Adolescent School-based Health Survey, 2015.

Introduction: Health self-assessment (HSA) is a widely studied indicator among adults and the elderly, but not often explored in adolescents. This study aimed to estimate the prevalence of poor self-rated health in Brazilian schoolchildren and associated factors.

Methods: Data from the 2015 National Adolescent School-based Health Survey (PeNSE) were analyzed; prevalences and their 95% confidence intervals (95%CI) were estimated for poor self-rated health and associated factors.

Bullying in Brazilian school children: analysis of the National Adolescent School-based Health Survey (PeNSE 2012).

Objective: To describe the victimization and bullying practice in Brazilian school children, according to data from the National Adolescent School-based Health Survey and to compare the surveys from 2009 and 2012.

Methods: This is a cross-sectional study with univariate and multivariate analyzes of the following variables: to have been treated badly by colleagues, to have been bullied and to have bullied other children. The following independent variables were analyzed: age, sex, race/color, type of school, maternal education.

Trend of the risk and protective factors of chronic diseases in adolescents, National Adolescent School-based Health Survey (PeNSE 2009 e 2012).

Objective: To compare the prevalence of major risk and protection factors for chronic non-communicable diseases in school-aged children in Brazilian capitals surveyed in the National Adolescent School-based Health Survey in its two editions, 2009 and 2012.

Methods: The frequencies, with Confidence Interval of 95%, of the following demographic variables were compared: food intake, body image, physical activity, smoking, alcohol and other drugs. Prevalence was compared in the two editions of the survey.

Labor in early life, vulnerability for health in Brazilian schoolchildren: National Adolescent School-based Health Survey (PeNSE 2012).

Objective: This study describes exposure labor among Brazilian 9th grade students from public and private schools and investigates socio-demographic characteristics, behaviors, violent situations and psychosocial factors associated with labor among adolescents.

Methods: The present study included 108,984 students from the National Adolescent School-based Health Survey carried out in 2012. Variables were grouped into sociodemographic characteristics, behavioral factors, violent situations and psychosocial aspects.

Contextual factors associated with smoking among Brazilian adolescents.

Background: Very few studies have examined the role of school, household and family contexts in youth smoking in middle-income countries.

Methods: This work describes smoking exposure among 59,992 high school students who took part in the Brazilian Survey of School Health and investigates contextual factors associated with regular smoking, defined as smoking cigarettes at least once in the past 30 days. The explaining variables were grouped into: socio-demographic characteristics, school context, household context and family rapport.

[Violence exposures by school children in Brazil: results from the National Adolescent School-based Health Survey (PeNSE)].

This article presents the main results of the National Adolescent School-based Health Survey (PeNSE). A questionnaire was applied to a sample of 60,973 students of the 9th year of Junior high school in public and private schools of the Brazilian state capitals and the Federal District, between March and June 2009. The prevalence and confidence interval of 95% (CI 95%) of the violence situations involving adolescents were analyzed.

[Smoking exposure among school children in Brazil].

The article describes the prevalence of tobacco exposure among adolescents at the National Adolescent School-based Health Survey (PeNSE) and investigates socio-demographic and behavioral factors associated with smoking. The profile of a current smoker was defined as reporting having smoked at least one cigarette in the previous 30 days. The socio-demographic characteristics studied were age, sex, race/skin color, mother education, household assets index and school (public or private).

[Prevalence of risk health behavior among adolescents: results from the 2009 National Adolescent School-based Health Survey (PeNSE)].

Unlabelled: Adolescence is typically a developmental phase characterized by change and experimentation and therefore varying exposure to health hazards. We aimed at estimating the prevalence of protective and risk health behaviors of adolescents interviewed in the 2009 National Adolescent School-based Health Survey (PeNSE). PeNSE, a partnership between the Instituto Brasileiro de Geografia e Estatística (IBGE) and the Ministry of Health, using a PDA-based self-administered questionnaire collected information on 60,973 students enrolled at 1,453 public and private schools in the 27 state capitals and the Federal District.

[Bullying in Brazilian schools: results from the National School-based Health Survey (PeNSE), 2009].

The aim of this study is to identify and describe the occurrence of bullying among students in the 9th year (8th grade) from public and private schools from 26 Brazilian state capitals and the Federal District. It is a cross-sectional study involving 60,973 students and 1,453 public and private schools. Data analysis indicates that 5.