Cora Luiza Araújo
Dados Biográficos
| ID | 3667241 |
|---|---|
| NOME | Cora Luiza Araújo |
| PRENOMES | Cora Luiza |
| SOBRENOME | Araújo |
| ASSINATURA | ARAÚJO C L |
| AFILIAÇÕES | Universidade Federal de Pelotas |
| VERIFICADO | Não |
| TOTAL DE OBRAS | 37 |
| TOTAL DE CITAÇÕES | 141 |
| TOTAL COMO AUTOR | 37 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 2003 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2014 |
| ÍNDICE H | 6 |
Fatores associados ao excesso de peso em crianças brasileiras menores de cinco anos
O objetivo do estudo foi identificar os fatores associados ao excesso de peso em crianças brasileiras menores de cinco anos. Foram utilizados dados da Pesquisa Nacional de Demografia e Saúde (PNDS) de 2006, um estudo transversal de base domiciliar. O diagnóstico do excesso de peso baseou-se no índice peso-para-altura superior a 2 escores z acima da mediana do padrão antropométrico da Organização Mundial de Saúde - 2006. A população estudada const…
Consumo de leite e derivados entre adultos e idosos no Sul do Brasil
Estudo transversal de base populacional que avaliou a frequência de consumo de leite e derivados, segundo características demográficas e socioeconômicas entre adultos e idosos da cidade de Pelotas (RS). A frequência de consumo de leite e derivados foi medida por meio de um roteiro com perguntas curtas e simples. Avaliou-se, também, a origem (leite de vaca, soja, outro) e teor de gordura do leite consumido (integral, semidesnatado, desnatado). Nas…
Perfil de trabalho urbano de adolescentes de 14-15 anos
O objetivo deste artigo foi descrever os padrões de trabalho urbano em jovens de 14-15 anos do Sul do Brasil. O trabalho infantil foi caracterizado como qualquer atividade que resultasse em retribuição na forma de bens, serviços ou dinheiro. As análises foram estratificadas por sexo e nível econômico. Dos 4325 adolescentes entrevistados, a proporção de trabalho no último ano foi de 22,2%, sendo 27,7% para o sexo masculino e 17,0% para o sexo femi…
Insatisfação corporal em adolescentes
O propósito deste estudo foi avaliar a insatisfação corporal em adolescentes e explorar diferenças conforme sexo, nível econômico e índice de massa corporal. Foram estudados 4.325 indivíduos de 14 a 15 anos da cidade de Pelotas, Brasil. A insatisfação corporal foi avaliada comparando a imagem desejada com a imagem percebida, de acordo com escala de silhuetas de Tiggemann e Wilson-Barret. O estado nutricional foi categorizado conforme proposto pel…
Peso e altura autorreferidos para determinação do estado nutricional de adultos e idosos
Analisou-se a validade do peso e altura autorreferidos para determinação do estado nutricional, e as implicações do seu uso em análises de associação com desfechos em saúde. Baseando-se em um estudo transversal de base populacional realizado em Pelotas, Rio Grande do Sul, Brasil, em 2007 (n = 2.986), sorteou-se uma subamostra de 276 indivíduos com idade > 20 anos. Em média, o peso autorreferido foi similar ao medido; a altura medida foi superesti…
Post‐partum weight change patterns in the WHO Multicentre Growth Reference Study
The interplay of factors that affect post-partum loss or retention of weight gained during pregnancy is not fully understood. The objective of this paper is to describe patterns of weight change in the six sites of the World Health Organization (WHO) Multicentre Growth Reference Study (MGRS) and explore variables that explain variation in weight change within and between sites. Mothers of 1743 breastfed children enrolled in the MGRS had weights m…
Utilização de adoçantes dietéticos entre adultos em Pelotas, Rio Grande do Sul, Brasil
Estudo de base populacional avaliou o uso de adoçantes dietéticos na população com idade ≥ 20 anos, residente na zona urbana do Município de Pelotas, Rio Grande do Sul, Brasil. A coleta de dados ocorreu entre janeiro e julho de 2010, e 2.732 indivíduos foram entrevistados. Além das questões específicas quanto ao uso de adoçante dietético, foram coletadas informações sobre características demográficas, socioeconômicas e de saúde. Para as análises …
Autopercepção de felicidade e fatores associados em adultos de uma cidade do sul do Brasil
Este estudo avaliou os níveis de autopercepção de felicidade e fatores associados em uma cidade do sul do Brasil. Foi realizado um estudo transversal, de base populacional, com 2.942 indivíduos adultos (> 20 anos). Felicidade foi definida como "o grau, segundo o qual uma pessoa avalia positivamente a qualidade global de sua vida como um todo, no presente"; aferida por meio de uma pergunta associada a uma escala de faces. A prevalência global de f…
The impact of sociodemographic conditions on quality of life among adolescents in a Brazilian birth cohort
Gender, skin color, maternal education, and SEP change were related to various measured aspects of QoL. These results should be considered in policymaking that seeks to minimize inequities at birth, across the life-course, and for future generations
Dietary assessment in the 1993 Pelotas (Brazil) birth cohort study
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 …
Sedentary behavior in adolescents
The aim of this study was to estimate the prevalence of sedentary behavior and investigate associated factors in adolescents 11 years of age from the 1993 birth cohort in Pelotas, Rio Grande do Sul State, Brazil. Sedentary behavior was investigated with a questionnaire, and was defined as spending more than two hours per day watching television, playing videogames, or using the computer. Of the 4,452 adolescents interviewed, 98% reported watching…
Intake of fat and fiber-rich foods according to socioeconomic status
This study describes the food intake of adolescents participating in the 1993 birth cohort from Pelotas, Southern Brazil, according to socioeconomic position. We carried out a cross-sectional analysis of data collected in the 2004-2005 follow-up visit. Food intake in the previous year was evaluated using the Block questionnaire. Socioeconomic status was evaluated based on an assets index, divided into quintiles. Foods with the highest frequency o…
Health in the transition from childhood to adolescence
This thematic issue is intended to tell an 11-year story. In 1993, in Pelotas, Rio Grande do Sul State, Brazil, 4,452 babies were born that became the city's cohort of life births for that year. The mothers were interviewed and the newborns were examined, weighed, and measured, among other procedures. From that moment on, a bond was formed between usthe researchers -and this legion of families
Factors associated with weight loss dieting among adolescents
Evidence has shown the negative effects of unsupervised diets and those with excessive calorie restriction. The aim of this study was to determine the proportion of adolescents engaging in weight loss dieting and associated factors. This was a cross-sectional study of 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. The outcome was defined as adolescents that reported having practiced some type of weight loss dieting i…
Well-being in adolescents
Studies on well-being and its possible determinants are rare in the international literature, and almost non-existent in Brazil, particularly among youth. The present study focused on the epidemiology of well-being among adolescents belonging to a birth cohort. Well-being was measured using face-to-face interviews, with a question whose answer was based on a graphic scale of faces. 4,452 adolescents were interviewed. Approximately half (49.4%) cl…
Nutritional status of adolescents
We evaluate the influence of demographic, socioeconomic, and maternal variables on the nutritional status of adolescents aged 11 years. We conducted a prospective cohort study including 4,452 adolescents born in Pelotas, Southern Brazil, in 1993, accounting for 87.5% of the original cohort. Nutritional status was evaluated based on World Health Organization criteria. Subjects were classified according to nutritional status into thin, normal, over…
Concurrent determinants of blood pressure among adolescents
The aim of this study was to evaluate concurrent risk factors for high blood pressure in adolescents. This is a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Blood pressure was measured before and after the interview, and the mean value was used in the analyses. Mean systolic blood pressure was 101.9mmHg (SD = 12.3) and mean diastolic pressure was 63.4mmHg (SD = 9.9). Adolescents w…
Oral health follow-up studies in the 1993 Pelotas (Brazil) birth cohort study
The aim of this study was to describe oral health follow-up studies nested in a birth cohort. A population-based birth cohort was launched in 1993 in Pelotas, Rio Grande do Sul State, Brazil. Two oral health follow-up studies were conducted at six (n = 359) and 12 (n = 339) years of age. A high response rate was observed at 12 years of age; 94.4% of the children examined at six years of age were restudied in 2005. The mean DMF-T index at age 12 w…
The 11-year follow-up of the 1993 Pelotas (Brazil) birth cohort study
The aim of this study is to describe the methodology of the 2004-2005 follow-up visit of the 1993 Pelotas (Brazil) birth cohort. All children born in Pelotas in 1993 and whose mothers lived in the city at that time were eligible to be enrolled in a longitudinal study. Between July 2004 and March 2005, all cohort participants were sought for a follow-up visit. Several strategies were used to help trace cohort members, including a census of the cit…
Hospital admissions from birth to early adolescence and early-life risk factors
The aim of this prospective analysis was to describe the cumulative incidence of hospital admissions in the first year of life and between 1 and 11 years of age and to explore associated factors. Hospital admissions were collected through regular monitoring in the first year of life, and through maternal report on admissions between 1 and 11 years. Analyses were stratified by sex and adjusted for confounding factors. 18.1% of children were hospit…
Medicine use among adolescents
The aim of this study was to investigate medicine use and associated factors among adolescents. This was a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Information on medicine use in the 15 days prior to the interviews was collected from the mothers. Overall prevalence of medicine use was 30.9%, and 64.7% of the medicines had been prescribed by a physician. The most frequently use…
Resting pulse rate among adolescents
The aim of this study was to describe resting pulse rate and associated factors among adolescents. This was a cross-sectional analysis nested in a prospective cohort study, including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil in 1993, representing 87.5% of the original cohort. Pulse rate was measured with an electronic device at the beginning and end of the interview, and the mean value was used in the analyses. Mean pulse…
Experimental use of alcohol in early adolescence
The aim of this study was to estimate the prevalence of experimental alcohol intake and associated factors in early adolescence. The overall sample consisted of 4,452 adolescents (mean age = 11.3 years; SD = 0.3) from the 1993 birth cohort in Pelotas, Rio Grande do Sul State, Brazil. Experimental use of alcohol was reported by 17.5% of the interviewees (95%CI: 16.3-18.6), and 5% reported having tried alcohol at nine years of age or younger. Preva…
Self-reporting versus parental reporting of physical activity in adolescents
The aim of this study was to verify the agreement between different approaches for estimating levels of physical activity in adolescents. One questionnaire was administered to parents and two were administered to the adolescents. This was a cross-sectional analysis of data collected in the 2004-2005 follow-up of the 1993 Pelotas (Brazil) birth cohort study. Parents or guardians answered the following question: "Compared to most children the same …
Early determinants of attention and hyperactivity problems in adolescents
The aim of this study was to assess early determinants of attention and hyperactivity problems in adolescents. In 1993, all hospital births in the city of Pelotas, Rio Grande do Sul State, Brazil, were monitored and mothers were interviewed (N = 5,249). At 11 years of age, 4,423 mothers answered the Strengths and Difficulties Questionnaire (SDQ) in order to evaluate attention and hyperactivity problems in the adolescents. Crude and adjusted preva…
Methodological aspects of the 1993 Pelotas (Brazil) birth cohort study
This paper describes the main methodological aspects of a cohort study, with emphasis on its recent phases, which may be relevant to investigators planning to carry out similar studies. In 1993, a population based study was launched in Pelotas, Southern Brazil. All 5,249 newborns delivered in the city's hospitals were enrolled, and sub-samples were visited at the ages of one, three and six months and of one and four years. In 2004-5 it was possib…
Validação do peso e altura referidos para o diagnóstico do estado nutricional em uma população de adultos no Sul do Brasil
Analisou-se a validade do Índice de Massa Corporal (IMC), calculado por intermédio do peso e altura auto-referidos, para predizer o estado nutricional de adultos. Valendo-se de um estudo transversal de base populacional que inclui 3.934 indivíduos maiores de vinte anos em Pelotas, Rio Grande do Sul, Brasil, foi sorteada uma subamostra de 140 indivíduos para mensuração de peso e altura. A concordância e a validade do peso referido mostrou-se melho…
Tracking of physical activity from adolescence to adulthood
OBJECTIVE: To assess the association between regular physical activity in adolescence and leisure-time physical activity in adulthood, with emphasis on gender differences. METHODS: A population-based cross-sectional study was carried out in Pelotas, Southern Brazil, in 2003. A representative sample of households was selected in multiple stages and subjects aged 20-59 years were interviewed. Leisure-time physical activity was evaluated using the I…
Freqüência de consumo de dietas ricas em gordura e pobres em fibra entre adolescentes
OBJETIVO: Descrever a freqüência e os fatores associados ao consumo de dietas ricas em gordura e pobres em fibra em adolescentes. MÉTODOS: Estudo de delineamento transversal com adolescentes de 10 a 12 anos, realizado em 2004/2005, em Pelotas, RS. A freqüência alimentar no ano anterior à pesquisa foi avaliada pelo questionário de Block, composto por 24 itens alimentares, pontuados de acordo com a freqüência de consumo de alimentos ricos em fibras…
Conhecimento e percepção sobre exercício físico em uma população adulta urbana do sul do Brasil
O objetivo deste estudo foi avaliar a percepção e o conhecimento sobre o exercício físico em uma população adulta urbana e estudar a associação entre o nível de conhecimento e características sócio-econômicas, demográficas e comportamentais. O delineamento utilizado foi do tipo transversal, de base populacional, e incluiu 3.182 indivíduos com idade igual ou superior a 20 anos. O questionário desenvolvido para pesquisa gerou um escore de conhecime…
The 11-year follow-up of the 1993 Pelotas (Brazil) birth cohort study
The aim of this study is to describe the methodology of the 2004-2005 follow-up visit of the 1993 Pelotas (Brazil) birth cohort. All children born in Pelotas in 1993 and whose mothers lived in the city at that time were eligible to be enrolled in a longitudinal study. Between July 2004 and March 2005, all cohort participants were sought for a follow-up visit. Several strategies were used to help trace cohort members, including a census of the cit…
Experimental use of alcohol in early adolescence
The aim of this study was to estimate the prevalence of experimental alcohol intake and associated factors in early adolescence. The overall sample consisted of 4,452 adolescents (mean age = 11.3 years; SD = 0.3) from the 1993 birth cohort in Pelotas, Rio Grande do Sul State, Brazil. Experimental use of alcohol was reported by 17.5% of the interviewees (95%CI: 16.3-18.6), and 5% reported having tried alcohol at nine years of age or younger. Preva…
Frequency of fiber-rich food intake and associated factors in a Southern Brazilian population
The objective of this study was to verify the frequency of fiber-rich food intake and evaluate its association with socioeconomic, demographic and behavioral characteristics. A city representative sample was selected and 3,993 subjects (> 10 years) were interviewed. The study used the Block Screening Questionnaire. A majority of subjects - 65.6% (95%CI: 64.2-67.1) - presented an inadequate intake frequency. Adjusted analysis for the overall sampl…
Tendências no perfil nutricional das crianças nascidas em 1993 em Pelotas, Rio Grande do Sul, Brasil
A evolução do estado nutricional foi estudada em crianças nascidas em 1993, na cidade de Pelotas, Rio Grande do Sul, Brasil. Nesse ano, todos os nascimentos hospitalares foram identificados e uma amostra de 1.273 crianças foi visitada em seus domicílios. As crianças foram submetidas a exames antropométricos quando estavam, em média, com 12 e 54 meses de idade. Houve 10% de perdas e recusas durante esse período. Prevalências de déficits nutriciona…
Sedentary behavior in adolescents
The aim of this study was to estimate the prevalence of sedentary behavior and investigate associated factors in adolescents 11 years of age from the 1993 birth cohort in Pelotas, Rio Grande do Sul State, Brazil. Sedentary behavior was investigated with a questionnaire, and was defined as spending more than two hours per day watching television, playing videogames, or using the computer. Of the 4,452 adolescents interviewed, 98% reported watching…
Estado nutricional de escolares de 1a a 4a séries do Ensino Fundamental das escolas urbanas da cidade de Pelotas, Rio Grande do Sul, Brasil
Foi realizado um estudo transversal incluindo 20.084 escolares de 1a a 4a séries, matriculados nas escolas urbanas de Pelotas, Rio Grande do Sul, Brasil. Peso e altura foram coletados e o estado nutricional foi classificado segundo os critérios da Organização Mundial da Saúde (déficit do crescimento linear) e International Obesity Task Force (excesso de peso). Também foram coletadas as variáveis idade, sexo, tipo de escola e escolaridade (adequaç…
Peso e altura autorreferidos para determinação do estado nutricional de adultos e idosos
Analisou-se a validade do peso e altura autorreferidos para determinação do estado nutricional, e as implicações do seu uso em análises de associação com desfechos em saúde. Baseando-se em um estudo transversal de base populacional realizado em Pelotas, Rio Grande do Sul, Brasil, em 2007 (n = 2.986), sorteou-se uma subamostra de 276 indivíduos com idade > 20 anos. Em média, o peso autorreferido foi similar ao medido; a altura medida foi superesti…
Utilização de adoçantes dietéticos entre adultos em Pelotas, Rio Grande do Sul, Brasil
Estudo de base populacional avaliou o uso de adoçantes dietéticos na população com idade ≥ 20 anos, residente na zona urbana do Município de Pelotas, Rio Grande do Sul, Brasil. A coleta de dados ocorreu entre janeiro e julho de 2010, e 2.732 indivíduos foram entrevistados. Além das questões específicas quanto ao uso de adoçante dietético, foram coletadas informações sobre características demográficas, socioeconômicas e de saúde. Para as análises …
Well-being in adolescents
Studies on well-being and its possible determinants are rare in the international literature, and almost non-existent in Brazil, particularly among youth. The present study focused on the epidemiology of well-being among adolescents belonging to a birth cohort. Well-being was measured using face-to-face interviews, with a question whose answer was based on a graphic scale of faces. 4,452 adolescents were interviewed. Approximately half (49.4%) cl…
Concurrent determinants of blood pressure among adolescents
The aim of this study was to evaluate concurrent risk factors for high blood pressure in adolescents. This is a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Blood pressure was measured before and after the interview, and the mean value was used in the analyses. Mean systolic blood pressure was 101.9mmHg (SD = 12.3) and mean diastolic pressure was 63.4mmHg (SD = 9.9). Adolescents w…
Oral health follow-up studies in the 1993 Pelotas (Brazil) birth cohort study
The aim of this study was to describe oral health follow-up studies nested in a birth cohort. A population-based birth cohort was launched in 1993 in Pelotas, Rio Grande do Sul State, Brazil. Two oral health follow-up studies were conducted at six (n = 359) and 12 (n = 339) years of age. A high response rate was observed at 12 years of age; 94.4% of the children examined at six years of age were restudied in 2005. The mean DMF-T index at age 12 w…
Epidemiologia das pregas cutâneas triciptal e subescapular elevadas em adolescentes
O objetivo deste estudo foi descrever e comparar as pregas cutâneas triciptal (PCT) e subescapular (PCS) de acordo com características demográficas, sócio-econômicas, comportamentais e biológicas em adolescentes de Pelotas, Rio Grande do Sul, Brasil. Realizou-se um estudo transversal aninhado a uma coorte de nascimentos (N = 4.452; média de idade = 11 anos). Os desfechos foram apresentar prega cutânea maior ou igual ao percentil 90 da curva de re…
Diagnosis of overweight and obesity in adolescents from the 1993 Pelotas Birth Cohort Study, Rio Grande do Sul State, Brazil
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 87.5% of the original cohort. Overweight and obesity were evaluated using the methods proposed by the World Health Organization (WHO) and Internati…
Dietary assessment in the 1993 Pelotas (Brazil) birth cohort study
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 …
Intake of fat and fiber-rich foods according to socioeconomic status
This study describes the food intake of adolescents participating in the 1993 birth cohort from Pelotas, Southern Brazil, according to socioeconomic position. We carried out a cross-sectional analysis of data collected in the 2004-2005 follow-up visit. Food intake in the previous year was evaluated using the Block questionnaire. Socioeconomic status was evaluated based on an assets index, divided into quintiles. Foods with the highest frequency o…
Factors associated with weight loss dieting among adolescents
Evidence has shown the negative effects of unsupervised diets and those with excessive calorie restriction. The aim of this study was to determine the proportion of adolescents engaging in weight loss dieting and associated factors. This was a cross-sectional study of 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. The outcome was defined as adolescents that reported having practiced some type of weight loss dieting i…
Nutritional status of adolescents
We evaluate the influence of demographic, socioeconomic, and maternal variables on the nutritional status of adolescents aged 11 years. We conducted a prospective cohort study including 4,452 adolescents born in Pelotas, Southern Brazil, in 1993, accounting for 87.5% of the original cohort. Nutritional status was evaluated based on World Health Organization criteria. Subjects were classified according to nutritional status into thin, normal, over…
Hospital admissions from birth to early adolescence and early-life risk factors
The aim of this prospective analysis was to describe the cumulative incidence of hospital admissions in the first year of life and between 1 and 11 years of age and to explore associated factors. Hospital admissions were collected through regular monitoring in the first year of life, and through maternal report on admissions between 1 and 11 years. Analyses were stratified by sex and adjusted for confounding factors. 18.1% of children were hospit…
Medicine use among adolescents
The aim of this study was to investigate medicine use and associated factors among adolescents. This was a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Information on medicine use in the 15 days prior to the interviews was collected from the mothers. Overall prevalence of medicine use was 30.9%, and 64.7% of the medicines had been prescribed by a physician. The most frequently use…
Self-reporting versus parental reporting of physical activity in adolescents
The aim of this study was to verify the agreement between different approaches for estimating levels of physical activity in adolescents. One questionnaire was administered to parents and two were administered to the adolescents. This was a cross-sectional analysis of data collected in the 2004-2005 follow-up of the 1993 Pelotas (Brazil) birth cohort study. Parents or guardians answered the following question: "Compared to most children the same …
Tendências no perfil nutricional das crianças nascidas em 1993 em Pelotas, Rio Grande do Sul, Brasil
A evolução do estado nutricional foi estudada em crianças nascidas em 1993, na cidade de Pelotas, Rio Grande do Sul, Brasil. Nesse ano, todos os nascimentos hospitalares foram identificados e uma amostra de 1.273 crianças foi visitada em seus domicílios. As crianças foram submetidas a exames antropométricos quando estavam, em média, com 12 e 54 meses de idade. Houve 10% de perdas e recusas durante esse período. Prevalências de déficits nutriciona…
Conhecimento e percepção sobre exercício físico em uma população adulta urbana do sul do Brasil
O objetivo deste estudo foi avaliar a percepção e o conhecimento sobre o exercício físico em uma população adulta urbana e estudar a associação entre o nível de conhecimento e características sócio-econômicas, demográficas e comportamentais. O delineamento utilizado foi do tipo transversal, de base populacional, e incluiu 3.182 indivíduos com idade igual ou superior a 20 anos. O questionário desenvolvido para pesquisa gerou um escore de conhecime…
Validação do peso e altura referidos para o diagnóstico do estado nutricional em uma população de adultos no Sul do Brasil
Analisou-se a validade do Índice de Massa Corporal (IMC), calculado por intermédio do peso e altura auto-referidos, para predizer o estado nutricional de adultos. Valendo-se de um estudo transversal de base populacional que inclui 3.934 indivíduos maiores de vinte anos em Pelotas, Rio Grande do Sul, Brasil, foi sorteada uma subamostra de 140 indivíduos para mensuração de peso e altura. A concordância e a validade do peso referido mostrou-se melho…
Methodological aspects of the 1993 Pelotas (Brazil) birth cohort study
This paper describes the main methodological aspects of a cohort study, with emphasis on its recent phases, which may be relevant to investigators planning to carry out similar studies. In 1993, a population based study was launched in Pelotas, Southern Brazil. All 5,249 newborns delivered in the city's hospitals were enrolled, and sub-samples were visited at the ages of one, three and six months and of one and four years. In 2004-5 it was possib…
Gender differences in leisure-time physical activity
OBJECTIVES: To explore the association between gender and leisure-time physical activity in a population-based sample of adults living in Brazil. To study a variety of variables possibly associated with physical activity levels. METHODS: A multistage sampling of households was undertaken in Pelotas, a medium-sized Southern Brazilian city. Leisure-time physical activity was measured using the long version of the International Physical Activity Que…
Tracking of physical activity from adolescence to adulthood
OBJECTIVE: To assess the association between regular physical activity in adolescence and leisure-time physical activity in adulthood, with emphasis on gender differences. METHODS: A population-based cross-sectional study was carried out in Pelotas, Southern Brazil, in 2003. A representative sample of households was selected in multiple stages and subjects aged 20-59 years were interviewed. Leisure-time physical activity was evaluated using the I…
Freqüência de consumo de dietas ricas em gordura e pobres em fibra entre adolescentes
OBJETIVO: Descrever a freqüência e os fatores associados ao consumo de dietas ricas em gordura e pobres em fibra em adolescentes. MÉTODOS: Estudo de delineamento transversal com adolescentes de 10 a 12 anos, realizado em 2004/2005, em Pelotas, RS. A freqüência alimentar no ano anterior à pesquisa foi avaliada pelo questionário de Block, composto por 24 itens alimentares, pontuados de acordo com a freqüência de consumo de alimentos ricos em fibras…
Diagnosis of overweight and obesity in adolescents from the 1993 Pelotas Birth Cohort Study, Rio Grande do Sul State, Brazil
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 87.5% of the original cohort. Overweight and obesity were evaluated using the methods proposed by the World Health Organization (WHO) and Internati…
Estado nutricional de escolares de 1a a 4a séries do Ensino Fundamental das escolas urbanas da cidade de Pelotas, Rio Grande do Sul, Brasil
Foi realizado um estudo transversal incluindo 20.084 escolares de 1a a 4a séries, matriculados nas escolas urbanas de Pelotas, Rio Grande do Sul, Brasil. Peso e altura foram coletados e o estado nutricional foi classificado segundo os critérios da Organização Mundial da Saúde (déficit do crescimento linear) e International Obesity Task Force (excesso de peso). Também foram coletadas as variáveis idade, sexo, tipo de escola e escolaridade (adequaç…
Epidemiologia das pregas cutâneas triciptal e subescapular elevadas em adolescentes
O objetivo deste estudo foi descrever e comparar as pregas cutâneas triciptal (PCT) e subescapular (PCS) de acordo com características demográficas, sócio-econômicas, comportamentais e biológicas em adolescentes de Pelotas, Rio Grande do Sul, Brasil. Realizou-se um estudo transversal aninhado a uma coorte de nascimentos (N = 4.452; média de idade = 11 anos). Os desfechos foram apresentar prega cutânea maior ou igual ao percentil 90 da curva de re…
Frequency of fiber-rich food intake and associated factors in a Southern Brazilian population
The objective of this study was to verify the frequency of fiber-rich food intake and evaluate its association with socioeconomic, demographic and behavioral characteristics. A city representative sample was selected and 3,993 subjects (> 10 years) were interviewed. The study used the Block Screening Questionnaire. A majority of subjects - 65.6% (95%CI: 64.2-67.1) - presented an inadequate intake frequency. Adjusted analysis for the overall sampl…
The impact of sociodemographic conditions on quality of life among adolescents in a Brazilian birth cohort
Gender, skin color, maternal education, and SEP change were related to various measured aspects of QoL. These results should be considered in policymaking that seeks to minimize inequities at birth, across the life-course, and for future generations
Dietary assessment in the 1993 Pelotas (Brazil) birth cohort study
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 …
Sedentary behavior in adolescents
The aim of this study was to estimate the prevalence of sedentary behavior and investigate associated factors in adolescents 11 years of age from the 1993 birth cohort in Pelotas, Rio Grande do Sul State, Brazil. Sedentary behavior was investigated with a questionnaire, and was defined as spending more than two hours per day watching television, playing videogames, or using the computer. Of the 4,452 adolescents interviewed, 98% reported watching…
Intake of fat and fiber-rich foods according to socioeconomic status
This study describes the food intake of adolescents participating in the 1993 birth cohort from Pelotas, Southern Brazil, according to socioeconomic position. We carried out a cross-sectional analysis of data collected in the 2004-2005 follow-up visit. Food intake in the previous year was evaluated using the Block questionnaire. Socioeconomic status was evaluated based on an assets index, divided into quintiles. Foods with the highest frequency o…
Health in the transition from childhood to adolescence
This thematic issue is intended to tell an 11-year story. In 1993, in Pelotas, Rio Grande do Sul State, Brazil, 4,452 babies were born that became the city's cohort of life births for that year. The mothers were interviewed and the newborns were examined, weighed, and measured, among other procedures. From that moment on, a bond was formed between usthe researchers -and this legion of families
Factors associated with weight loss dieting among adolescents
Evidence has shown the negative effects of unsupervised diets and those with excessive calorie restriction. The aim of this study was to determine the proportion of adolescents engaging in weight loss dieting and associated factors. This was a cross-sectional study of 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. The outcome was defined as adolescents that reported having practiced some type of weight loss dieting i…
Well-being in adolescents
Studies on well-being and its possible determinants are rare in the international literature, and almost non-existent in Brazil, particularly among youth. The present study focused on the epidemiology of well-being among adolescents belonging to a birth cohort. Well-being was measured using face-to-face interviews, with a question whose answer was based on a graphic scale of faces. 4,452 adolescents were interviewed. Approximately half (49.4%) cl…
Nutritional status of adolescents
We evaluate the influence of demographic, socioeconomic, and maternal variables on the nutritional status of adolescents aged 11 years. We conducted a prospective cohort study including 4,452 adolescents born in Pelotas, Southern Brazil, in 1993, accounting for 87.5% of the original cohort. Nutritional status was evaluated based on World Health Organization criteria. Subjects were classified according to nutritional status into thin, normal, over…
Concurrent determinants of blood pressure among adolescents
The aim of this study was to evaluate concurrent risk factors for high blood pressure in adolescents. This is a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Blood pressure was measured before and after the interview, and the mean value was used in the analyses. Mean systolic blood pressure was 101.9mmHg (SD = 12.3) and mean diastolic pressure was 63.4mmHg (SD = 9.9). Adolescents w…
Oral health follow-up studies in the 1993 Pelotas (Brazil) birth cohort study
The aim of this study was to describe oral health follow-up studies nested in a birth cohort. A population-based birth cohort was launched in 1993 in Pelotas, Rio Grande do Sul State, Brazil. Two oral health follow-up studies were conducted at six (n = 359) and 12 (n = 339) years of age. A high response rate was observed at 12 years of age; 94.4% of the children examined at six years of age were restudied in 2005. The mean DMF-T index at age 12 w…
The 11-year follow-up of the 1993 Pelotas (Brazil) birth cohort study
The aim of this study is to describe the methodology of the 2004-2005 follow-up visit of the 1993 Pelotas (Brazil) birth cohort. All children born in Pelotas in 1993 and whose mothers lived in the city at that time were eligible to be enrolled in a longitudinal study. Between July 2004 and March 2005, all cohort participants were sought for a follow-up visit. Several strategies were used to help trace cohort members, including a census of the cit…
Hospital admissions from birth to early adolescence and early-life risk factors
The aim of this prospective analysis was to describe the cumulative incidence of hospital admissions in the first year of life and between 1 and 11 years of age and to explore associated factors. Hospital admissions were collected through regular monitoring in the first year of life, and through maternal report on admissions between 1 and 11 years. Analyses were stratified by sex and adjusted for confounding factors. 18.1% of children were hospit…
Medicine use among adolescents
The aim of this study was to investigate medicine use and associated factors among adolescents. This was a prospective cohort study including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil, in 1993. Information on medicine use in the 15 days prior to the interviews was collected from the mothers. Overall prevalence of medicine use was 30.9%, and 64.7% of the medicines had been prescribed by a physician. The most frequently use…
Resting pulse rate among adolescents
The aim of this study was to describe resting pulse rate and associated factors among adolescents. This was a cross-sectional analysis nested in a prospective cohort study, including 4,452 adolescents born in Pelotas, Rio Grande do Sul State, Brazil in 1993, representing 87.5% of the original cohort. Pulse rate was measured with an electronic device at the beginning and end of the interview, and the mean value was used in the analyses. Mean pulse…
Medicine (34 obras) · Demography (27 obras) · Obesity, Physical Activity, Diet (19 obras) · Cohort (18 obras) · Cohort study (18 obras) · Population (17 obras) · Environmental health (15 obras) · Gerontology (13 obras) · Psychology (13 obras) · Gerontology (12 obras)