Frequency of breakfast consumption and its associations with food consumption by degree of industrial processing and with indicators of overweight in Brazilian adolescents (EVA-JF Study).

Objective: The aim of this study was to investigate the frequency of breakfast consumption and estimate its associations with the consumption of food at different degrees of industrial processing and with overweight indicators in Brazilian adolescents.

Methods: This cross-sectional study involved a probabilistic sample of 14- to 19-y-old adolescents enrolled in 29 public schools in the municipality of Juiz de Fora, MG, Southeast Brazil (n = 805). The frequency of breakfast consumption was evaluated via a questionnaire (classified into "do not consume", "sometimes consume", and "regularly consume").

Involvement of Brazilian adolescents in home cooking: An exploratory analysis (EVA-JF Study).

Objective: The aim of this study was to investigate the involvement of Brazilian adolescents in home cooking, estimating its associations with sex and socioeconomic status.

Methods: This cross-sectional study involved a probabilistic sample of 14- to 19-y-olds enrolled in 29 public schools in the municipality of Juiz de Fora, MG, Southeast Brazil (n = 835). To assess involvement in home cooking, a 12-question questionnaire was used.

Eating contexts and their associations with socio-demographic factors in Brazilian adolescents (EVA-JF Study).

Objective: To describe the eating contexts and estimate their associations with socio-demographic factors in a sample of Brazilian adolescents.

Design: Cross-sectional study. We used an exploratory questionnaire about eating contexts (encompassing regularity of meals, places where they occur and if they take place with attention and in company), which was submitted to cluster analysis.

Eating contexts at breakfast, lunch, and dinner: Associations with ultra-processed foods consumption and overweight in Brazilian adolescents (EVA-JF Study).

This cross-sectional study estimated associations of eating contexts (including regularity of meals, places where they occur, and if they take place with attention and in company) with food consumption by degree of industrial processing and overweight indicators in a sample of Brazilian adolescents (14-19 years old) enrolled in 29 public schools in Juiz de Fora, MG (n = 805). We used an exploratory questionnaire, which was submitted to cluster analysis. Three clusters were identified: cluster 1 (n = 572), "appropriate eating contexts at breakfast, lunch, and dinner"; cluster 2 (n = 139), "inappropriate eating context at breakfast"; and cluster 3 (n = 94) "inappropriate eating context at dinner".

Percentage of energy contribution according to the degree of industrial food processing and associated factors in adolescents (EVA-JF study, Brazil).

Objective: To evaluate energetic contribution according to the degree of industrial food processing and its association with sociodemographic, anthropometric, biochemical, clinical and behavioural characteristics in adolescents.

Design: Cross-sectional study (Adolescent Lifestyle Study). Food consumption was assessed using 24-h dietary recalls, with foods classified by degree of industrial progressing.

Analysis of the chemerin and resistin adipokines in children and adolescents.

Objectives: To compare the serum concentrations of adipokines resistin and chemerin in children and adolescents with eutrophic and overweight and to evaluate their relationship with anthropometric, biochemical, and blood pressure variables.

Methods: a cross-sectional epidemiological study was conducted with 234 students enrolled in public elementary schools in the city of Juiz de Fora / MG. Anthropometric evaluation, biochemistry, and blood pressure measurement were performed.

Is neighbourhood social deprivation in a Brazilian city associated with the availability, variety, quality and price of food in supermarkets?

Objective: To verify differences in the availability, variety, quality and price of unprocessed and ultra-processed foods in supermarkets and similar establishments in neighbourhoods with different social deprivation levels at Juiz de Fora, Minas Gerais, Brazil.

Design: Cross-sectional study.

Setting: The Obesogenic Environment Study in São Paulo's Food Store Observation Tool (ESAO-S) was applied in thirty-three supermarket chains, wholesale and retail supermarkets.

Food environment, social deprivation and obesity among students from Brazilian public schools.

Objective: To investigate the relationship between social deprivation and the food environment. Furthermore, to evaluate if the food environment is associated with the prevalence of obesity among students in Brazilian public schools.

Design: Cross-sectional.

Cross-sectional study showed that breakfast consumption was associated with demographic, clinical and biochemical factors in children and adolescents.

Aim: We investigated the demographic, anthropometric, clinical, biochemical and behavioural factors associated with children and adolescents who missed breakfast.

Methods: This 2012 cross-sectional study was carried out in the city of Juiz de Fora, Brazil, with a sample of 684 students: 191 children aged 7-9 and 493 adolescents aged 10-14. Data on demographic, physical activity and breakfast consumption were based on a 24-hour recall record and a three-day dietary record.

PREVALENCE AND FACTORS ASSOCIATED WITH ANEMIA IN CHILDREN ENROLLED IN DAYCARE CENTERS: A HIERARCHICAL ANALYSIS.

Objective: To determine the prevalence and factors associated with anemia in children younger than five years old enrolled in public daycare centers in a city in southwestern Bahia, in the northeast of Brazil.

Methods: This was a cross-sectional study that included a sample of 677 children enrolled in public daycare centers in Vitória da Conquista, Bahia, Brazil. A portable hemoglobinometer was used to measure hemoglobin.

Daily meal frequency and associated variables in children and adolescents.

Objective: To investigate the frequency distribution of daily meals and its relation to demographic, socioeconomic, behavioral, anthropometric and biochemical factors in children and adolescents.

Methods: This was a cross-sectional study with a representative sample of 708 schoolchildren aged 7-14 years. Data on personal information, socioeconomic status, physical activity and number of meals were obtained through semi-structured questionnaire and consumption by 24-h recall and food record.

Prevalence and factors associated with excessive weight gain in pregnancy in health units in the southwest of Bahia.

Objective: To determine the prevalence of excessive gestational weekly weight gain and to identify its association with demographic, socioeconomic, obstetric, anthropometric, and behavioral characteristics.

Methods: This cross-sectional study included 328 pregnant women attending all health units in the urban area of Vitória da Conquista, Bahia. The data were collected from May 2010 to June 2011.

[Association between fat mass index and fat-free mass index values and cardiovascular risk in adolescents].

Objective:: To describe the association between fat mass index and fat-free mass index values and factors associated with cardiovascular risk in adolescents in the city of Juiz de Fora, Minas Gerais.

Methods:: Cross-sectional study was with 403 adolescents aged 10–14 years, from public and private schools. Anthropometric, clinical, and biochemical measurements were obtained, as well as self-reported time spent performing physical exercises, sedentary activities and sexual maturation stage.

Evaluation of the predictive capacity of vertical segmental tetrapolar bioimpedance for excess weight detection in adolescents.

Objective: To analyze the predictive capacity of the vertical segmental tetrapolar bioimpedance apparatus in the detection of excess weight in adolescents, using tetrapolar bioelectrical impedance as a reference.

Methods: This was a cross-sectional study conducted with 411 students aged between 10 and 14 years, of both genders, enrolled in public and private schools, selected by a simple and stratified random sampling process according to the gender, age, and proportion in each institution. The sample was evaluated by the anthropometric method and underwent a body composition analysis using vertical bipolar, horizontal tetrapolar, and vertical segmental tetrapolar assessment.

Effectiveness of fortification of drinking water with iron and vitamin C in the reduction of anemia and improvement of nutritional status in children attending day-care centers in Belo Horizonte, Brazil.

Background: Because of the high prevalence of iron-deficiency anemia in Brazil, individual control measures tend to be ineffective, and fortification of foods with iron is considered the most effective method to fight anemia.

Objective: To evaluate the effectiveness of fortification of drinking water with iron and vitamin C in the reduction of anemia in children in day-care centers in Belo Horizonte, Brazil.

Methods: This before-and-after study evaluated 318 children aged 6 to 74 months.

Anemia-associated factors in infants born at term with normal weight.

Objective: To investigate the factors involved in the genesis of infant iron deficiency anemia.

Methods: This is a cross-sectional study, which evaluated 104 children in their second year of life who were born at term with adequate weight in Viçosa, Minas Gerais, Brazil. An interview, a 24-hour recall to parents, and anthropometric assessment were used.

Effects of customary dinner on dietetical profile of patients undergoing hemodialysis.

Introduction: To assess the effects of the habit of having evening dinner on the dietary macro- and micronutrient profile of chronic kidney failure patients on hemodialysis.

Methods: Cross-sectional study carried out at a dialysis clinic at the city of Belo Horizonte, state of Minas Gerais. The study comprised 90 patients undergoing hemodialysis.

[Prevalence and factors associated to anemia and iron deficiency in 18-to 24-month old infants].

A transversal study was carried out with 101 18-to 24-month old infants, attended at public health services in Viçosa, MG, Brazil, The objective of this study was to verify the prevalence and factors associated to anemia and iron deficiency among infants. Data were obtained by interviews of the infants' parents or guardians at their households. Hemoglobin and ferritin analyses were peformed using an automatic counter and the immunometric dosage method, respectively.