Objective: To analyze changes in the lifestyles of Brazilian adolescents during the COVID-19 pandemic. Methods: Cross-sectional study carried out with adolescents who participated in the “Covid Adolescentes - Behavior Survey”. The indicators related to lifestyles before and during the pandemic were evaluated: consumption of healthy and unhealthy foods, physical activity and sedentary behavior, smoking and consu...
Objective: Compare the demand and use of health services between 2013 and 2019, and analyze the associated sociodemographic and health variables in 2019. Methods: Cross-sectional study with data from the National Health Survey (PNS) 2013 and 2019. The prevalence and 95% confidence intervals (95% CI) for the demand and use of health services were estimated. In 2019, the differences in the indicators were analyze...
Objective: to analyze socioeconomic inequalities in the self-reported prevalence of Non-Communicable Diseases (NCDs) and disabilities in the Brazilian adult population. Methods: Cross-sectional study with data from the National Health Survey carried out in 2019. The self-reported prevalences of individuals with some NCDs were calculated, according to sociodemographic characteristics; and the prevalence and prev...
Objective: This study sought to evaluate the information regarding the characteristics of households and coverage of the Family Health Strategy (FHS), produced in the National Health Survey (NHS) and describe the changes that occurred in the period between 2013 and 2019. Methods: Information on households and FHS coverage from the two editions of the NHS (2013 and 2019) was used. Differences between the proport...
Objective: To estimate prevalence of healthy behaviors among individuals aged 30 years or over diagnosed with arterial hypertension (AH) and diabetes mellitus (DM) using information from the National Health Survey, 2019. Methods: Cross-sectional study with cluster sampling and simple random sampling in three stages. Individuals were aggregated according to have AH; AH only; DM; DM only; AH and DM only; without ...
Objective: To investigate the variation of anthropometric indicators from 2013 to 2019 and the factors associated with obesity in Brazil, using information from the National Health Survey. Methods: Cross-sectional study with cluster sampling and simple random sampling in the three stages. Measurements of weight and height among participants in 2013 (n=59,592) and in 2019 (n=6.672) were used. Differences in obes...
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Background: In Brazil, mathematical models for deriving estimates and projections of COVID-19 cases have been developed without data on asymptomatic SARS-CoV-2 infection. We estimated the seroprevalence of antibodies to SARS-CoV-2 among blood donors in the State of Rio de Janeiro. Methods: Data were collected on 2,857 blood donors from April 14 to 27, 2020. We report the crude prevalence of antibodies to SARS-C...
Objective. To describe the characteristics of female sex workers (FSW) from 12 Brazilian cities. Methods. Cross-sectional study of Biological and Behavioral Surveillance Survey (BBSS) with FSW recruited by Respondent-Driven Sampling (RDS), in 2016. HIV prevalence, sociodemographic, behavioral, and variables related to sex work were estimated by city. Chi-square test was used to compare these distributions. Resu...
Objective. To analyze the frequency of sadness, nervousness, and sleep disorders during the COVID-19 pandemic in Brazil, identifying the most affected demographic segments. Methods. It is a cross-sectional study, with a questionnaire applied via the web to adults and the elderly, collecting information on living conditions, health and health behaviors. Prevalence and prevalence ratios were adjusted for age and ...