[Digital educational materials on culinary skills as a health promotion strategy in Primary Health Care].

This study aims to report on the development and validation of digital educational materials based on the dimensions of home cooking skills (HCS) assessed on a scale destined for PHC professionals, following the recommendations of The Dietary Guidelines for the Brazilian Population and on The Food and Nutrition Education Framework (FNE) for Public Policies. Five videos and graphic materials were developed with proposals for activities to develop HCS and encourage its implementation in actions and guidelines in the community and in professional care. The content of the materials was evaluated by experts using the Two-Round Delphi-based technique and statistical analyses for evidence of consensus.

Large-scale production of non-conventional edible plants for biodiverse school meals.

Introduction: School feeding programs are important for ensuring food security and promoting child health and development, particularly in low-income countries. In view of this importance, it is possible to increase the quality of these meals by diversifying the vegetables offered and incorporating underutilized plants to improve dietary diversity and nutritional quality into school meals.

Methods: This study was carried out using the action research methodology following the implementation and development of the "Inova na Horta" project in the city of Jundiaí, São Paulo, Brazil.

Diet quality and associated factors in Brazilian undergraduates during the COVID-19 pandemic.

Background: Diet quality is associated with psychobiological, psychological, biological, and physiological factors of individuals, and in the context of prolonged stress, such as the COVID-19 pandemic, it can lead to a worsening of the quality of food for undergraduates. This study aimed to analyze diet quality and associated factors in Brazilian undergraduates.

Methods: Data were collected from 4,799 undergraduate students from all Brazilian regions, from August 2020 to February 2021.

Instrument for measuring home cooking skills in primary health care.

Objective: To develop and validate an instrument for measuring the home cooking skills of health professionals involved with guidelines for promoting adequate and healthy food in primary health care.

Methods: This is a methodological study with a psychometric approach, carried out in the city of São Paulo between January and November 2020, to develop and validate a self-applied online instrument. The data of the 472 participants were presented by descriptive statistics.

Food Insecurity and Associated Factors in Brazilian Undergraduates during the COVID-19 Pandemic.

Undergraduates may face challenges to assure food security, related to economic and mental distress, especially during the COVID-19 pandemic. This study aimed to assess food insecurity and its associated factors in undergraduates during the COVID-19 pandemic. An online cross-sectional study was conducted from August 2020 to February 2021 with 4775 undergraduates from all Brazilian regions.

[Development and validation of performance indicators of the National School Food Program management].

The evaluation of the National School Food Program (PNAE) is a strategic action to ensure the quality of management. This study aims to develop and validate an instrument of performance indicators to assess the management of the PNAE in the national context. A psychometric study was carried out for the development and validation of performance indicators.

Sampling plan and methodological aspects: a household healthcare survey in Piauí.

Objective: To describe the methodological aspects of the Piauí home healthcare survey (ISAD-PI) and assess the relation between sampling plan, precision, and design effects, assuming that population health surveys are relevant instruments for health monitoring.

Methods: ISAD-PI was a population-based cross-sectional study that analyzed the living conditions and health status of the population residing in urban areas in the municipalities of Teresina and Picos, in Piauí. Sampling was carried out by conglomerates in two stages: Primary Sampling Units and households.

Two validity evidences of the ESQUADA and Brazilians' dietary quality levels.

Objective: Assess two validity evidences of the diet quality scale (ESQUADA) for the selection of items with better discrimination of the Brazilians' diet quality and propose a description in score levels.

Methods: Brazilian adolescents and adults residing in the country (n = 2,059) answered an online questionnaire with 52 items, shared on social networks and email lists between March and April 2018. Statistical tests were applied to analyze the validity and reliability of the instrument's evidence.

Evaluation of quality indicators for management of the National School Feeding Program in Brazil: a systematic review.

This article aims to identify studies that developed quality indicator for the management of the National School Feeding Program (PNAE, in Brazilian context) and to critically appraise the properties of their instruments. Systematic review using Scopus, Lilacs, Pubmed and Web of Science for data collection. The search was limited to studies between 2009 and 2019.

Systematic review of instruments for assessing culinary skills in adults: What is the quality of their psychometric properties?

Background: Culinary skills are important objects of study in the field of Public Health. Studies that propose to develop instruments for assessing such construct show lack of methodological uniformity to report validity and reliability of their instruments.

Objective: To identify studies that have developed instruments to measure culinary skills in adult population, and critically assess their psychometric properties.

Nutritional status and metabolic risk in adults: association with diet quality as assessed with ESQUADA.

Objective: To analyze the association between diet quality assessed with the Diet Quality Scale (ESQUADA) and the nutritional status and metabolic risk in adults.

Methods: The data included 1,147 adults aged 20 to 59, from the population-based study with complex sampling. Weight, height, tricipital (TSF) and subscapular (SSF) skinfolds, and waist (WC) and mid-arm (MAC) circumferences were measured.

Relative validity of FFQ to assess food items, energy, macronutrient and micronutrient intake in children and adolescents: a systematic review with meta-analysis.

FFQ are one of the most widely used tools of research into nutritional epidemiology, and many studies have been conducted in several countries using this dietary assessment method. The present study aimed to evaluate the relative validity of FFQ, in comparison with other methods, in assessing dietary intake of children and adolescents, through a systematic review. Four electronic databases (Embase, PubMed, Scopus and Web of Science) found sixty-seven articles, which met the inclusion criteria (healthy children and adolescents from 3 to 18 years of age; journal articles written in English, Spanish and Portuguese between 1988 and March 2019; results showing the comparison between the FFQ with other methods of assessment of dietary intake).

Dietary patterns associated with overweight among Brazilian adolescents.

The present study aims to identify the dietary patterns of adolescents and associate these patterns with overweight. We analyzed food-consumption data from 6784 adolescents in the age group 10-18 years old collected in the Household Budget Survey 2008-2009. Dietary patterns were assessed through exploratory factor analysis.

Dietary Patterns in European and Brazilian Adolescents: Comparisons and Associations with Socioeconomic Factors.

Associations between dietary patterns (DP) and socioeconomic factors have been little explored in adolescents. The aim of this study was to identify DP in European and Brazilian adolescents and to investigate their associations with a range of socioeconomic indicators. Adolescents from the HELENA-study and the Household Budget Survey were analyzed.

Consumption of nutrients with antioxidant action and its relationship with lipid profile and oxidative stress in student users of a university restaurant.

Introduction: The relationship between diet and health has aroused scientific interest, especially the consumption of antioxidant nutrients naturally present in foods, because of its action against the deleterious effects of free radicals in the body.

Objective: This study aimed to estimate the intake of antioxidant nutrients and its relationship with lipid profile and oxidative stress in student users of a university restaurant in comparison with non-users.

Methods: This cross-sectional study involved 145 university students divided into two groups: users of the university restaurant (group 1, n = 73) and non-users (group 2, n = 72).

Dietary intake of adolescents compared with the Brazilian Food Guide and their differences according to anthropometric data and physical activity.

Objective: To assess the dietary intake of adolescents compared with the Brazilian Food Guide and to explore their differences according to anthropometric data and physical activity.

Methods: A total of 476 adolescents from public schools of Piracicaba, SP, Brazil participated in this study. A semi-quantitative food frequency questionnaire was used to estimate food group intake of adolescents.

Dietary patterns: a literature review of the methodological characteristics of the main step of the multivariate analyzes.

Objective: To describe the solutions adopted in the multiple steps of the use of multivariate techniques to obtain a dietary pattern (DP) concerning: the objective of the studies, the selection of the method for measuring food intake, the criteria for grouping the foods, the number of food groups used, the number of DP obtained, and the nomenclature criteria.

Methods: The articles were selected from MEDLINE and Lilacs scientific databases using the following keywords: "dietary patterns" versus "factor analysis"; "principal components analysis"; "cluster analysis" and "reduced regression rank." The initial search resulted in 1,752 articles.

Estimates of self-reported dietary behavior related to oral health among adolescents according to the type of food.

Objective: To compare estimates of food behavior related to oral health obtained through a self-report measure and 24 hour dietary recalls (R24h).

Method: We applied three R24h and one self-report measure in 87 adolescents. The estimates for eleven food items were compared at individual and group levels.

Assessment of the usability of a nutritional epidemiology computerized system.

Introduction: Epidemiological research has been adhering to new technologies, such as computer systems, and using the Internet as a tool. Usability is a characteristic of a specific product concerning the facility to use it, its speed and the facility to learn how to use it. It should also not present errors, or these must be easy to solve, in case they occur, thus providing high satisfaction to users.

Variation in dietary intake and physical activity pattern as predictors of change in body mass index (BMI) Z-score among Brazilian adolescents.

Objective: To assess whether changes in dietary intake and physical activity pattern are associated with the annual body mass index (BMI) z-score change among adolescents.

Methods: The study was conducted in public schools in the city of Piracicaba, Sao Paulo, Brazil, with a probabilistic sample of 431 adolescents participating in wave I (2004) (hereafter, baseline) and 299 in wave II (2005) (hereafter, follow-up). BMI, usual food intake, physical activity, screen time, sexual maturation and demographic variables were assessed twice.

Intervention based exclusively on stage-matched printed educational materials regarding healthy eating does not result in changes to adolescents' dietary behavior.

Purpose: To assess the impact of a six-month stage-based intervention on fruit and vegetable intake, regarding perceived benefits and barriers, and self-efficacy among adolescents.

Design: Randomized treatment-control, pre-post design.

Subjects/setting: Schools were randomized between control and experimental groups.

[Estimate of corrected values and the effect of correction for measurement error in dietary data obtained by the Food Frequency Questionnaire for Adolescents (AFFQ)].

The scope of this study was to estimate calibrated values for dietary data obtained by the Food Frequency Questionnaire for Adolescents (FFQA) and illustrate the effect of this approach on food consumption data. The adolescents were assessed on two occasions, with an average interval of twelve months. In 2004, 393 adolescents participated, and 289 were then reassessed in 2005.

[Calibration study of the Food Frequency Questionnaire for Adolescents (AFFQ)].

In order to establish calibration factors of the Adolescent Food Frequency Questionnaire (AFFQ), 74 boys and girls from Piracicaba (SP, Brazil) with ages ranging from 10 to 14 took part in the study. Dietary intake (assessed by the food frequency questionnaire and 24-hour recall) was assessed and adjusted for energy intake. Descriptive statistics, variance analysis using one classification factor, Pearson's correlation coefficients and linear regression were performed.

Validation of a food frequency questionnaire to assess the consumption of carotenoids, fruits and vegetables among adolescents: the method of triads.

The aim of this study was to validate the intake of carotenoids, fruits and vegetables estimated by the Food Frequency Questionnaire for Adolescents (FFQA) using the method of triads. Blood samples were collected from 80 elementary school adolescents to assess serum levels of β-carotene. Partial correlation coefficients (r) were calculated between an estimated intake of carotenoids, fruits and vegetables and the serum levels of β-carotene.