[Association between waist circumference and body mass index of Brazilian women: NDHS 2006].

The scope of this study was to evaluate the association between waist circumference (WC) and body mass index (BMI) of Brazilian women of childbearing age studied in the most recent National Demographic and Health Survey (NDHS), in 2006. This study is an excerpt of the NDHS, which is a home-based cross-sectional study. The nutritional status of women was assessed by WC and BMI, considering excess weight to be BMI = 25 Kg/m2 and WC risk to be = 80 cm.

[Food intake among Brazilian children aged two to five years old: National Survey on Demography and Health (NSDH), 2006].

The scope of this study was to describe aspects of the food intake of Brazilian children and its association with social and demographic factors. The 2006 food intake data of the National Survey on Demography and Health for women and children were analyzed. The analysis considered the complexity of the sample and included 3,083 children aged two to five years old.

[Consumption of fruits and vegetables in the public school in southern Brazil].

Consumption of fruits and vegetables in the public school in southern Brazil. Cross-sectional study was conducted with 356 schoolchildren from public city of Pelotas, southern Brazil. The objective was to describe the frequency of consumption of fruits and vegetables and its association with sociodemographic and nutritional status.

Dietary assessment in the 1993 Pelotas (Brazil) birth cohort study: comparing energy intake with energy expenditure.

The study aims to describe and compare two methods of energy intake assessment and one measure of energy expenditure applied in adolescents from a birth cohort. In a sub-sample of the 1993 Pelotas (Brazil) birth cohort, followed up in 2006-7, information on intake was obtained through a food-frequency questionnaire (FFQ) and three 24-hour-recalls (24hR), while energy expenditure was assessed using an accelerometer. Bland & Altman plots were used in the analyses in order to compare the methods.

Height and weight gains in a nutrition rehabilitation day-care service.

Objective: To evaluate nutritional recovery patterns in 106 undernourished children assisted by the Center of Nutritional Recovery and Education (CREN, in Portuguese) between January 1995 and December 1999.

Design: CREN assists undernourished children aged 0 to 72 months living in the southern regions of Sao Paulo, in an outpatient setting. Nutritional status was assessed by Z-scores of weight-for-age, height-for-age and weight-for-height.

Infant feeding and obesity at 11 years: prospective birth cohort study.

Objective: To evaluate the association between breastfeeding duration, introduction of solid or semi-solid foods before four months of age and overweight/obesity at 11 years.

Methods: Prospective population-based birth cohort study, including 1 204 adolescents aged 11 years who were born in Pelotas (Brazil), in 1993, and were previously interviewed at birth, six and 12 months of age. Five explanatory variables were used: duration of any breastfeeding, duration of exclusive or predominant breastfeeding, ever breastfeeding, introduction of solid or semi-solid foods before four months of age, and feeding pattern at four months of age.

[Nutritional status of first to fourth-grade students of urban schools in Pelotas, Rio Grande do Sul State, Brazil].

This cross-sectional study included 20,084 students from urban schools (first to fourth-grade) in Pelotas, Rio Grande do Sul State, Brazil. Weight and height were measured, and nutritional status was classified according to the World Health Organization (height deficit) and International Obesity Task Force (overweight and obesity) criteria. The study also recorded the variables age, gender, type of school, and schooling (grade-for-age adequacy).

Diagnosis of overweight and obesity in adolescents from the 1993 Pelotas Birth Cohort Study, Rio Grande do Sul State, Brazil: comparison of two diagnostic criteria.

Various cut-off points for body mass index have been proposed to assess nutritional status in adolescents. The aim of this study was to compare two methods for evaluating overweight and obesity. In 2004-5, 4,452 adolescents from the 1993 Pelotas (Brazil) birth cohort study were evaluated, representing 87.

[Frequency of high-fat and low-fiber diets among adolescents].

Objective: To describe the frequency and associated factors of high-fat and low-fiber diets among adolescents.

Methods: A cross-sectional study was carried out in adolescents aged 10-12 years in Pelotas, southern Brazil, in 2004 and 2005. Dietary patterns in the previous 12 months were evaluated using the Block questionnaire comprising 24 food items scored according to the frequency of consumption of high-fat and low-fiber food.