Impact of a School-Based Intervention on Sugar-Sweetened Beverage Intake Substitution by Water in Mexican Scholars.

Introduction: The prevalence of overweight and obesity in children has increased in recent years, associated with substituting plain water intake with sugar-sweetened beverages. The aim of the study was to evaluate the impact of a school-based intervention that aimed to replace sugar-sweetened beverages with water on Mexican scholars.

Methods: We included 314 children aged 9-11 from three public schools of the State of Hidalgo, Mexico, randomized to intervention (two schools from the municipality of Apan; six classes with 146 participants) or control group (one school from the municipality of Emiliano Zapata; six classes with 168 participants) and followed for 6 months.

Adherence to school meals and co-occurrence of the healthy and unhealthy food markers among Brazilian adolescents.

The aim of this study was to analyze the association between adherence to school meals and the co-occurrence of the regular consumption of healthy and unhealthy eating markers among Brazilian adolescents. Data from 67,881 adolescents in Brazilian public schools who participated in the 2015 National School Health Survey, were used. From the 7-day FFQ, the dependent variable was constructed, co-occurrence of regular consumption (≥ 5x/week) of healthy and unhealthy food markers, which was categorized as regular consumption of none, one or two, or three eating markers.

Colorectal cancer survival in Greater Cuiabá, state of Mato Grosso, Brazil.

Objective: To analyze the specific five-year survival of colorectal cancer (CRC) diagnosed between 2008 and 2013, according to sex and age group, of residents in Greater Cuiabá, state of Mato Grosso, Brazil.

Methods: This is a retrospective cohort study. Specific survival of CRC was considered as the time between disease diagnosis and death from CRC, in months.

Skipping breakfast associated with socioeconomic and lifestyle factors in Brazilian adolescents.

The aim is to estimate the prevalence and evaluate the association of socioeconomic and lifestyle factors with skipping breakfast among Brazilian adolescent students. A cross-sectional study carried out with adolescent ninth-graders from Brazilian public and private schools participating in the 2015 National School Health Survey. The prevalence of skipping breakfast (less than five days/week) and its respective 95% confidence intervals were estimated and stratified by gender according to demographic, socioeconomic, and lifestyle factors, self-perceived body image, and attitudes towards weight.

Factors associated with death among cancer patients hospitalized for COVID-19 in Mato Grosso, Brazil.

Objective: To analyze the prognostic factors for death from COVID-19 among cancer patients.

Methods: This is a retrospective study based on data recorded in the reporting system for COVID-19 hospitalizations in Mato Grosso. We assessed cases of cancer patients reported between April 2020 and June 2021.

Cervical cancer specific survival in Grande Cuiabá, Mato Grosso State, Brazil.

Objective: To estimate specific five-year survival in women diagnosed with cervical cancer living in the municipalities of Cuiabá and Várzea Grande, in the state of Mato Grosso, Brazil.

Methods: This is a retrospective cohort study with information from the Cuiabá Population-based Cancer Registry and the Mortality Information System. To estimate the probability of specific survival in five years, the Kaplan-Meier estimator and the log-rank test were used aiming at verifying if there were statistical differences in the lifetime per groups.

Incidence, mortality and survival of prostate cancer in two municipalities with a high human development index in Mato Grosso, Brazil.

Objective: To analyze the incidence, mortality and survival of prostate cancer in Cuiabá and Várzea Grande, Brazil from 2000 to 2016.

Methods: Data from the Population-based Cancer Registry and the Mortality Information System were used. Mortality and incidence trends were analyzed using joinpoint regression models by age group.

Stomach cancer incidence and mortality in Greater Cuiabá, Mato Grosso, Brazil, 2000-2016.

Objective: To analyze the incidence and mortality trend of stomach cancer in the Greater Cuiabá, in the state of Mato Grosso, Brazil, from 2000 to 2016.

Methods: The incidence information was obtained from the Population-Based Cancer Registry, and the mortality information from the Mortality Information System. Crude and standardized rates were calculated using the direct method, with the world population as reference.

Trends in the incidence of colorectal cancer in Greater Cuiabá, Mato Grosso (Brazil), from 2000 to 2016.

Objective: To analyze the temporal incidence trend of colorectal cancer (CRC), according to sex and age, in the Greater Cuiabá, Mato Grosso, Brazil, from 2000 to 2016.

Methods: Ecological time series study, with cases of CRC (C18 to C21) diagnosed from 2000 to 2016, of residents of the Greater Cuiabá (Cuiabá and Várzea Grande), in Mato Grosso. The information on the cases was obtained from the Population-Based Cancer Registry and population data from the Brazilian Institute of Geography and Statistics (IBGE).

Incidence trend of five main causes of cancer, in greater Cuiabá, Mato Grosso, Brazil, 2000 to 2016.

Objective: To analyze the incidence trend of the five main causes of cancer, according to sex and age, in Greater Cuiabá, in the state of Mato Grosso, from 2000 to 2016.

Methods: Incidence information was obtained from the Population-Based Cancer Registry, referring to the municipalities Cuiabá and Várzea Grande (RCBP - Cuiabá). Crude incidence rates were calculated and the five main types of cancer were selected: for males, prostate (C61), lung (C33-34), colorectal (C18-21), stomach (C16) and oral cavity cancer (C00-10); and for females, breast (C50), cervix (C53), colorectal (C18-21), lung (C33-34) and thyroid gland cancer (C73).

Incidence and Mortality by the Main Types of Cancer in the City of Cuiabá, Mato Grosso, Between the Years of 2008 and 2016.

Objective: To analyze the temporal trend of the incidence and mortality rate for prostate, breast, colorectal, lung, cervical, stomach and laryngeal cancer among residents in the city of Cuiabá between 2008 and 2016.

Methods: Time series study with data from the Mortality Information System and the Population-Based Cancer Registry. Stratified by sex, the proportional distribution of new cases and deaths by age group and the cancer incidence and mortality rates standardized by the world population were calculated.

Colorectal cancer mortality trend in Mato Grosso, Brazil, 2000 to 2019.

Objective: To analyze the time series of colorectal cancer (CRC) mortality, according to sex and age group, in Mato Grosso, Brazil, from 2000 to 2019.

Methods: Ecological time series study, with standardized mortality rates from CRC (C18 to C21) among residents of Mato Grosso. Information on deaths was provided by the Mato Grosso State Health Department, comprising the Mortality Information System and demographic information obtained from the Brazilian Institute of Geography and Statistics.

Mortality trend of cancer and main types according to macroregion in the state of Mato Grosso, Brazil, 2000 to 2015.

Objective: To describe the mortality trend from all cancers and the five main ones in the state of Mato Grosso, Brazil, from 2000 to 2015.

Methods: This is a descriptive, ecological, time series study, with data referring to deaths of residents of Mato Grosso due to cancer (ICD-10 codes C00 to C97), from the Mortality Information System (SIM). Time trend analyses of the standardized mortality rate from all cancers and five specific cancers (lung, prostate, breast, colorectal and cervical) for the state and according to macroregion (South, West, North, East and Center-North) were performed using linear regression (p<0.

Trend of incompleteness of cancer death records in the Mortality Information System database, state of Mato Grosso, Brazil, 2000 to 2016.

Objective: To describe the trend of incompleteness of cancer death records in the Mortality Information System (SIM, in Portuguese) database, state of Mato Grosso, Brazil, 2000 to 2016.

Methods: This is a descriptive, ecological, time series study of records of death from cancer of people living in the state of Mato Grosso (codes C00 to C97 of the 10th revision of the International Statistical Classification of Diseases and Related Health Problems - ICD-10), collected from SIM. To asses incompleteness in the filling of the variables of race/skin color, education, marital status, occupation and underlying cause of death, the relative frequency was calculated in the percentage of null values.

Cancer surveillance in Mato Grosso, Brazil: methodological and operational aspects of a university extension/research project.

Objective: To describe the methodological and operational aspects of the "Project for surveillance of cancer and its associated factors: population-based and hospital-based registry" (VIGICAN), in the state of Mato Grosso (MT), Brazil.

Methods: VIGICAN was divided into two projects: a university extension one, which updated the data from the Population-based Cancer Registry (PBCR) of MT in the 2008-2016 period; and a research project, which collected primary data, through individual interviews and analysis of medical records of people with a diagnosis of cancer, aged 18 years or older, treated at reference hospitals for oncology. To analyze the factors associated with cancer, the following variables were collected: socioeconomic and demographic, social support, health status and behavior, and environmental exposure.

Spatial and temporal distribution of cancer mortality in a Brazilian Legal Amazon State between 2000 and 2015.

Objective: To analyze the spatial distribution of the four-year cancer mortality rates in the state of Mato Grosso, Brazil, from 2000 to 2015.

Methodology: Ecological design study, in which mortality from neoplasia was analyzed, from 2000 to 2015, for the municipalities of Mato Grosso State. Mortality rates due to cancer were calculated by the ratio of the sum of deaths by cancer in each quadrennium, divided by the average of the population in the two central years of the period, multiplied by 10,000 inhabitants.

Effectiveness of a school-based randomized controlled trial aimed at increasing physical activity time in adolescents.

Background: This study aimed to evaluate the effectiveness of obesity prevention educational activities, isolated or combined with the modification of the school environment on total physical activity time.

Methods: This is a school-based randomized controlled trial, conducted with 2511 students from fifth and sixth-grade in Brazil, that employed a parallel, three-group experimental arms: control group (CG), PAAPPAS group (PG) and PAAPPAS-environment group (PEG). During the 2016 school year, the PG received educational activities in the classroom, providing a general basis for a healthy lifestyle.

School-based obesity interventions in the metropolitan area of Rio De Janeiro, Brazil: pooled analysis from five randomised studies.

School-based studies, despite the large number of studies conducted, have reported inconclusive results on obesity prevention. The sample size is a major constraint in such studies by requiring large samples. This pooled analysis overcomes this problem by analysing 5926 students (mean age 11·5 years) from five randomised school-based interventions.

Papass clinical trial protocol: a multi-component school-based intervention study to increase acceptance and adherence to school feeding.

Background: One of the largest school feeding programs in the world is the National School Feeding Program of Brazil. However, results from the 2012 National School Health Survey indicated that only 22.8% of 9th grade students in Brazilian public school system consumed school meals.

Major food groups contributing to sodium intake in school-attending adolescents.

Background: Excessive sodium intake is a risk factor for developing systemic arterial hypertension. Increased blood pressure during childhood increases the risk of hypertension in adulthood. Assessing sodium intake across different eating places is important, as the meals offered in different places can influence dietary quality.

Design of a school randomized trial for nudging students towards healthy diet and physical activity to prevent obesity: PAAPAS Nudge study protocol.

Objective: To evaluate the effectiveness of nudge activities at school on the students' body mass index (BMI).

Design: School-based factorial randomized community trial.

Setting: Eighteen public schools in the municipality of Duque de Caxias, metropolitan area of Rio de Janeiro, Brazil.

The impact of the reduction of sodium content in processed foods in salt intake in Brazil.

This study aimed at assessing the potential impact of the reduction of sodium content in processed foods in the average salt intake in the Brazilian population. A total of 32,900 participants of the first National Dietary Survey (NDS 2008-2009), age 10 years and older who provided information about food intake over two days were evaluated. The sodium reduction targets established by the Brazilian Ministry of Health in 2010 and 2013 were used as the reference to determine the maximum content of sodium in 21 groups of processed food.

Familial aggregation and dietary patterns in the Brazilian population.

The aim of the study was to identify dietary patterns in Brazil and verify aggregation among members of the same family based on the Brazilian National Dietary Survey, a nationwide dietary survey conducted in 2008-2009 in individuals over 10 years of age. Dietary intake was estimated with a food record. Dietary patterns were identified by factor analysis, and familial aggregation was verified by linear regression.