Heloísa Bettiol
Datos Biográficos
| ID | 199427 |
|---|---|
| NOMBRE | Heloísa Bettiol |
| NOMBRES | Heloísa |
| APELLIDO | Bettiol |
| FIRMA | BETTIOL H |
| AFILIACIONES | Universidade de São Paulo |
| ORCID | 0000-0001-8744-4373 |
| VERIFICADO | Sí |
| TOTAL DE OBRAS | 73 |
| TOTAL DE CITAS | 260 |
| TOTAL COMO AUTOR | 73 |
| TOTAL COMO EDITOR | 0 |
| PRIMER AÑO DE PUBLICACIÓN | 1979 |
| AÑO MÁS RECIENTE DE PUBLICACIÓN | 2026 |
| ÍNDICE H | 11 |
Temporal trend and factors associated with cesarean section in Ribeirão Preto, Brazil, birth cohorts
The aim of this study was to assess the trend in cesarean section rates in three birth cohorts conducted in Ribeirão Preto, São Paulo, Brazil, in different years (1978/79, 1994, and 2010), and to investigate the sociodemographic and economic factors associated with cesarean delivery in these cohorts. Data were obtained from the database of the cohorts. Women were interviewed shortly after delivery and information was collected from their medical …
Worldwide trends in underweight and obesity from 1990 to 2022
BACKGROUND: Underweight and obesity are associated with adverse health outcomes throughout the life course. We estimated the individual and combined prevalence of underweight or thinness and obesity, and their changes, from 1990 to 2022 for adults and school-aged children and adolescents in 200 countries and territories. METHODS: ). For school-aged children and adolescents, we report thinness (BMI 2 SD above the median). FINDINGS: From 1990 to 20…
Birth weight and asthma in young adults of a Brazilian birth cohort
This article aims to evaluate the association between birth weight and asthma in adulthood, estimated by employing structural equation modeling. Cohort study with 1,958 participants aged 23-25 years from Ribeirão Preto, São Paulo, Brazil. Standardized questionnaires were applied and pulmonary function evaluated, including bronchial reactivity with methacholine. A theoretical model was proposed to explore the effects of birth weight and asthma in …
Mental disorders in adults from Ribeirão Preto, Brazil
The prevalence and comorbidity of mental disorders were high in both cohorts and comparable to those in larger Brazilian cities. However, few individuals with a diagnosis had sought specialized care. These data suggest that the mental health gap is still significant in Brazil
Sociodemographic and reproductive risk factors associated with obesity in a population of brazilian women from the city of Ribeirão Preto
Obesity is associated with years of schooling and teenage pregnancy
Factors associated with neonatal-near miss
The aim of this study was to investigate the association of sociodemographic factors, lifestyle, maternal reproductive profile and prenatal and childbirth care with neonatal near miss (NNM) morbidity in four birth cohorts. This study involved four population-based birth cohorts: Ribeirão Preto (RP) and São Luís (SL) (2010), Pelotas 2004 (PEL04) and 2015 (PEL15). NNM was defined when one or more of the following conditions were present: birthweigh…
Abuse, disrespect and mistreatment during childbirth care
This study aimed to estimate the perception and frequency of abuse, disrespect and mistreatment (ADM) situations during childbirth care of 745 women from the Ribeirão Preto birt cohorts. Confidential questionnaires containing one question regarding perceived abuse during childbirth care and other questions addressing exposure to ADM situations were applied. The chi-squared test was used to compare the situations presented between women who did an…
Behavioral risk factors for noncommunicable diseases associated with depression and suicide risk in adolescence
Noncommunicable diseases (NCDs) and mental disorders cooccur in adulthood, which is why their determinants and common risk factors should be addressed at an early age. Therefore, we estimated the association of the major risk factors for NCDs with depression and suicide risk by structural equation modeling considering pathways triggered by social vulnerability or mediated by obesity. This population-based study included 2,515 Brazilian adolescent…
Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019
BACKGROUND: Hypertension can be detected at the primary health-care level and low-cost treatments can effectively control hypertension. We aimed to measure the prevalence of hypertension and progress in its detection, treatment, and control from 1990 to 2019 for 200 countries and territories. METHODS: We used data from 1990 to 2019 on people aged 30-79 years from population-representative studies with measurement of blood pressure and data on blo…
Excess weight and obesity prevalence in the RPS Brazilian Birth Cohort Consortium (Ribeirão Preto, Pelotas and São Luís)
Our objective was to estimate the prevalence of excess weight and obesity, according to sex and income in the RPS Brazilian Birth Cohort Consortium (Ribeirão Preto, Pelotas, and São Luís). Participants in the Ribeirão Preto (1978/1979 and 1994), Pelotas (1982, 1993 and 2004) and São Luís (1997/1998) birth cohorts were included in different follow-ups from 7 years old onwards. Excess weight (overweight and obesity) were assessed by body mass index…
RPS Brazilian Birth Cohorts Consortium (Ribeirão Preto, Pelotas and São Luís)
This paper describes the history, objectives and methods used by the nine Brazilian cohorts of the RPS Brazilian Birth Cohorts Consortium (Ribeirão Preto, Pelotas and São Luís) Common thematic axes are identified and the objectives, baseline periods, follow-up stages and representativity of the population studied are presented. The Consortium includes three birth cohorts from Ribeirão Preto, São Paulo State (1978/1979, 1994 and 2010), four from P…
Height and body-mass index trajectories of school-aged children and adolescents from 1985 to 2019 in 200 countries and territories
BACKGROUND: Comparable global data on health and nutrition of school-aged children and adolescents are scarce. We aimed to estimate age trajectories and time trends in mean height and mean body-mass index (BMI), which measures weight gain beyond what is expected from height gain, for school-aged children and adolescents. METHODS: For this pooled analysis, we used a database of cardiometabolic risk factors collated by the Non-Communicable Disease …
Bolsa Família program and incomplete childhood vaccination in two Brazilian cohorts
OBJECTIVE: To estimate the effect of being a beneficiary of the Bolsa Família Program (BFP) in the vaccination of children aged 13 to 35 months. METHODS: Our study was based on all birth records of residents of Ribeirão Preto (SP) and probabilistic sampling with 1/3 of the births of residents of São Luís (MA), selecting low-income children, born in 2010, belonging to the cohorts Brazilian Ribeirão Preto and São Luís Birth Cohort Studies and eligi…
Lifetime overweight and adult asthma
Studies focusing on obesity and asthma frequently consider the weight at a given time; thus, modeling pathways through lifetime overweight may contribute to elucidate temporal aspects in this relationship. This study modeled the pathways in the association of lifetime overweight with asthma in adult life, using data from the 1978/1979 Birth Cohort, Ribeirão Preto, São Paulo, Brazil (n = 2,063) at birth (baseline), school age (9/11 years) and adul…
Inversion of traditional gender roles and intimate partner violence against pregnant women
This study analyzed the association between the inversion of traditional gender roles and exclusive psychological and physical/sexual intimate partner violence, in a cross-sectional study of Brazilian pregnant women, identified through prenatal services in the municipalities of São Luís, Maranhão State (n = 992) and Ribeirão Preto, São Paulo State (n = 943). The pregnant women ranged from 12 to 45 years. Inversion of traditional gender roles was …
Mean birth weight among term newborns
A trend towards increasing birth weight has been shown, but factors that explain these trends have not been elucidated. The objectives of this study were to evaluate changes in mean birth weight of term newborns and to identify factors associated with them. All cohorts are population-based studies in which random samples of births (Ribeirão Preto, São Paulo State in 1978/1979, 1994 and 2010; Pelotas, Rio Grande do Sul State in 1982, 1993 and 2004…
Transtornos mentais em adolescentes, jovens e adultos do Consórcio de Coortes de Nascimento brasileiras RPS (Ribeirão Preto, Pelotas e São Luís)
Embora se reconheça que depressão e ansiedade resultem em incapacidades, bem como em prejuízos laborais e para os sistemas de saúde, pesquisas de base populacional são escassas no Brasil. Este estudo avaliou a prevalência de transtornos mentais em adolescentes, jovens e adultos e sua relação com características sociodemográficas em cinco coortes de nascimento (RPS): Ribeirão Preto (São Paulo), Pelotas (Rio Grande do Sul) e São Luís (Maranhão), Br…
Rising rural body-mass index is the main driver of the global obesity epidemic in adults
Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities 1,2 . This has led to a widely reported view that urbanization is one of the most important drivers of the global rise in obesity 3–6 . Here we use 2,009 population-based studies, with measurements of height and weight in more than 112 million adults, to report national, regional and global trends in mean B…
Foco e cobertura do programa Bolsa Família em crianças das coortes de nascimento BRISA, Ribeirão Preto (São Paulo) e São Luís (Maranhão), Brasil
Estudo transversal aninhado a uma coorte, que teve como objetivo descrever foco e cobertura do programa Bolsa Família em crianças de 13-35 meses de idade. Fez-se uso de dados das coortes de nascimento BRISA, em Ribeirão Preto, São Paulo, e São Luís, Maranhão, Brasil. O início das coortes ocorreu em 2010, com a inclusão de todos os nascimentos em Ribeirão Preto (7.794) e 5.236 em São Luís, abrangendo amostra aleatória de um terço. No seguimento, r…
Prepregnancy body mass index, gestational weight gain, and birth weight in the BRISA cohort
OBJECTIVE: To analyze the effects of maternal pre-pregnancy body mass index and weight gain during pregnancy on the baby’s birth weight. METHODS: We conducted a cross-sectional study with 5,024 mothers and their newborns using a Brazilian birth cohort study. In the proposed model, estimated by structural equation modeling, we tested socioeconomic status, age, marital status, pre-pregnancy body mass index, smoking habit and alcohol consumption dur…
Worldwide trends in blood pressure from 1975 to 2015
BACKGROUND: Raised blood pressure is an important risk factor for cardiovascular diseases and chronic kidney disease. We estimated worldwide trends in mean systolic and mean diastolic blood pressure, and the prevalence of, and number of people with, raised blood pressure, defined as systolic blood pressure of 140 mm Hg or higher or diastolic blood pressure of 90 mm Hg or higher. METHODS: For this analysis, we pooled national, subnational, or comm…
Worldwide trends in body-mass index, underweight, overweight, and obesity from 1975 to 2016
BACKGROUND: Underweight, overweight, and obesity in childhood and adolescence are associated with adverse health consequences throughout the life-course. Our aim was to estimate worldwide trends in mean body-mass index (BMI) and a comprehensive set of BMI categories that cover underweight to obesity in children and adolescents, and to compare trends with those of adults. METHODS: We pooled 2416 population-based studies with measurements of height…
Perceived Stress Scale
This study aimed to assess the dimensional structure, reliability, convergent validity, discriminant validity, and scalability of the Perceived Stress Scale (PSS). The sample consisted of 1,447 pregnant women in São Luís (Maranhão State) and 1,400 in Ribeirão Preto (São Paulo State), Brazil. The 14 and 10-item versions of the scale were assessed using confirmatory factor analysis, using weighted least squares means and variance (WLSMV). In both c…
Physical activity in pregnancy and adverse birth outcomes
This study focused on the association between physical activity in the second trimester of pregnancy and adverse perinatal outcomes: low birth weight (LBW), preterm birth (PTB), and intrauterine growth restriction (IUGR). The study used a sample from the BRISA cohort, São Luís, Maranhão State, Brazil, which included women with singleton pregnancy, gestational age from 22 to 25 weeks confirmed by obstetric ultrasound performed at < 20 weeks, and r…
Validity of pre and post-term birth rates based on the date of last menstrual period compared to early obstetric ultrasonography
The aim of this study was to assess the validity of the last menstrual period (LMP) estimate in determining pre and post-term birth rates, in a prenatal cohort from two Brazilian cities, São Luís and Ribeirão Preto. Pregnant women with a single fetus and less than 20 weeks' gestation by obstetric ultrasonography who received prenatal care in 2010 and 2011 were included. The LMP was obtained on two occasions (at 22-25 weeks gestation and after bir…
Fatores associados à inadequação do uso da assistência pré-natal
OBJETIVO: Identificar fatores associados à inadequação do uso da assistência pré-natal em comunidade urbana. MÉTODOS: Foi realizado estudo transversal em amostra sistemática, estratificada por maternidades, de todos os nascimentos hospitalares do município de São Luís, MA, no período de março de 1997 a fevereiro de 1998. Foram avaliados indicadores socioeconômicos e demográficos, de saúde reprodutiva, morbidade na gravidez e utilização de serviço…
Changes in perinatal health in two birth cohorts (1997/1998 and 2010) in São Luís, Maranhão State, Brazil
The objective of this study was to analyze changes in perinatal health in two birth cohorts started in 1997/1998 and 2010, respectively, in São Luís, Maranhão State, Brazil. A total of 2,493 live born infants were included in 1997/1998 and 5,166 in 2010. Low birth weight (LBW) rate did not change (8.5% in 1997/1998 and 8.6% in 2010). Preterm birth (PTB) rate also remained stable (13.2% in 1997/1998 and 13% in 2010). Teenage deliveries and births …
Risk factors for preterm births in São Luís, Maranhão, Brazil
Preterm birth continues to be one of the main causes of neonatal morbidity and mortality. The objective of the present study was to identify risk factors for preterm birth in São Luís, Maranhão, Brazil. The sample consisted of hospital births at 10 public and private hospitals from March 1, 1997 to February 28, 1998. A total of 2,443 live births were randomly selected, excluding multiple deliveries and stillbirths. Preterm birth rate in São Luís …
Características da gravidez na adolescência em São Luís, Maranhão
OBJETIVO: Identificar as principais características socioeconômicas, demográficas, antropométricas e comportamentais, bem como os resultados perinatais da gravidez na adolescência. Conhecer os tipos de serviços de saúde utilizados pelas gestantes adolescentes. MÉTODOS: A amostra de 2.429 partos de mulheres residentes em São Luís, MA, abrangeu 94% dos nascimentos hospitalares. As mulheres foram separadas em seis grupos de idade para melhor avaliaç…
Saúde perinatal
OBJETIVO: Descrever os procedimentos metodológicos e algumas características demógrafo-sociais e da atenção médica da população estudada em um projeto de pesquisa em saúde perinatal realizado no Município de Ribeirão Preto, SP, Brasil, em 1994, visando a realizar comparações históricas com indicadores de saúde materno-infantil. MATERIAL E MÉTODO: Entre junho de 1978 e maio de 1979 foram estudados todos os nascimentos hospitalares de Ribeirão Pret…
Saúde perinatal em Ribeirão Preto, SP, Brasil
Os autores apresentam a metodologia do planejamento, montagem, execução empírica e um protótipo de análise de pesquisa em saúde perinatal. No projeto foram estudados todos os partos hospitalares (resultando recém-nascidos vivos) no município de Ribeirão Preto, Brasil, no período de l de junho de 1978 a 31 de maio de 1979. O estudo foi feito através de entrevistas com todas as puérperas que deram o luz nos 8 hospitas-maternidades do município, e a…
RPS Brazilian Birth Cohorts Consortium (Ribeirão Preto, Pelotas and São Luís)
This paper describes the history, objectives and methods used by the nine Brazilian cohorts of the RPS Brazilian Birth Cohorts Consortium (Ribeirão Preto, Pelotas and São Luís) Common thematic axes are identified and the objectives, baseline periods, follow-up stages and representativity of the population studied are presented. The Consortium includes three birth cohorts from Ribeirão Preto, São Paulo State (1978/1979, 1994 and 2010), four from P…
Narrowing inequalities in infant mortality in Southern Brazil
OBJECTIVE: To determine the trends of infant mortality from 1995 to 1999 according to a geographic area-based measure of maternal education in Porto Alegre, Brazil. METHODS: A registry-based study was carried out and a municipal database created in 1994 was used. All live births (n=119,170) and infant deaths (n=1,934) were considered. Five different geographic areas were defined according to quintiles of the percentage of low maternal educational…
Infant mortality rates according to socioeconomic status in a Brazilian city
OBJECTIVE: Data from municipal databases can be used to plan interventions aimed at reducing inequities in health care. The objective of the study was to determine the distribution of infant mortality according to an urban geoeconomic classification using routinely collected municipal data. METHODS: All live births (total of 42,381) and infant deaths (total of 731) that occurred between 1994 and 1998 in Ribeirão Preto, Brazil, were considered. Fo…
Risk factors for the increasing trend in low birth weight among live births born by vaginal delivery, Brazil
OBJECTIVE: To identify risk factors for low birth weight (LBW) among live births by vaginal delivery and to determine if the disappearance of the association between LBW and socioeconomic factors was due to confounding by cesarean section. METHODS: Data were obtained from two population-based cohorts of singleton live births in Ribeirão Preto, Southeastern Brazil. The first one comprised 4,698 newborns from June 1978 to May 1979 and the second in…
Trends in Prenatal Care Use and Low Birthweight in Southeast Brazil
Objectives. We investigated trends in prenatal care use and its association with low birthweight in a developing country. Methods. We examined data from 2 southeast Brazilian cohort surveys, 1 conducted in 1978–1979 and the other in 1994. Results. Socioeconomic inequalities in prenatal care use increased during the 15-year period of 1979–1994. Although prenatal care use increases paralleled increases in low birthweight rate during this period, ha…
Consumo de substâncias psicoativas por adolescentes escolares de Ribeirão Preto, SP (Brasil)
INTRODUÇÃO: Vários estudos epidemiológicos sobre o consumo de substâncias psicoativas têm incluído em suas análises a avaliação da influência do contexto social nos níveis de prevalência desse consumo. Analisa-se a distribuição do consumo dessas substâncias segundo as classes sociais, numa amostra de adolescentes escolares de Ribeirão Preto, SP, Brasil. MATERIAL E MÉTODO: Um questionário auto-aplicável, adaptado e submetido a um teste de confiabi…
The epidemiologic paradox of low birth weight in Brazil
OBJECTIVE: To examine whether the low birth weight (LBW) paradox exists in Brazil. METHODS: LBW and cesarean section rates between 1995 and 2007 were estimated based on data from SINASC (Brazilian Live Births Database). Infant mortality rates (IMRs) were obtained using an indirect method that correct for underreporting. Schooling information was obtained from census data. Trends in LBW rate were assessed using joinpoint regression models. The cor…
Socioeconomic status, birth weight, maternal smoking during pregnancy and adiposity in early adult life
We describe here an example of structural equation modeling in epidemiology. The association between birth weight and adiposity in early adult life, adjusted for the number of cigarettes smoked during pregnancy and socioeconomic status at birth, was evaluated. Data involving 2,063 adults from the 1978/1979 Ribeirão Preto cohort study were used. Adiposity was measured by body mass index (BMI), waist circumference (WC) and the sum of triceps and su…
Significant differences in cesarean section rates between a private and a public hospital in Brazil
This paper evaluates the association of maternal variables and of variables related to prenatal and delivery care with cesarean sections at a public and at a private maternity. A retrospective cross-sectional study was performed at a public maternity clinic (2,889 deliveries) and at a private maternity clinic (2,911 deliveries) in the city of Ribeirão Preto, São Paulo State, Brazil. The prevalence of cesarean sections was 18.9% at the public mate…
Infant mortality and low birth weight in cities of Northeastern and Southeastern Brazil
OBJECTIVE: To compare estimates of low birth weight (LBW), preterm birth, small for gestational age (SGA), and infant mortality in two birth cohorts in Brazil. METHODS: The two cohorts were performed during the 1990s, in São Luís, located in a less developed area in Northeastern Brazil, and Ribeirão Preto, situated in a more developed region in Southeastern Brazil. Data from one-third of all live births in Ribeirão Preto in 1994 were collected (2…
Idade da menarca em escolares de uma comunidade rural do Sudeste do Brasil
O objetivo deste estudo foi determinar os valores dos percentis 3 (P3), 50 (P50 = Idade Mediana da Menarca = IMM) e 97(P97), e a amplitude entre os extremos (P97 e P3), nas escolares do Município de Barrinha, São Paulo, Brasil. Esses valores foram correlacionados com algumas condições sócio-econômicas: classe social, número de irmãos e situação de desemprego do pai. Trata-se de estudo transversal, utilizando o método "status quo", ajustado pelo L…
Atenção médica à gestação e ao parto de mães adolescentes
Estudou-se em Ribeirão Preto, SP, Brasil, no período de 1o de junho de 1978 a 31 de maio de 1979, 98% do universo de nascidos vivos, totalizando 8878 crianças nascidas de parto único, sendo 6750 procedentes de Ribeirão Preto. Observou-se um aumento da proporção de mães adolescentes em Ribeirão Preto (14,1%) quando comparada com estudo realizado 10 anos antes (11,7%). A idade materna menor de 20 anos esteve associada com os indicadores mais desfav…
Peso ao Nascer, classe social e mortalidade infantil em Ribeirão Preto, São Paulo
Foi realizado um estudo sobre mortalidade neonatal e pós-neonatal e mortalidade no lo ano de vida de uma coorte de crianças nascidas vivas, de partos hospitalares em Ribeirão Preto, São Paulo, Brasil, cujas mães foram entrevistadas por ocasião do nascimento. Relacionou-se mortalidade com classe social e peso ao nascer. A distribuição desigual da mortalidade mostrou que as classes sociais se comportam como populações distintas, e o peso ao nascer …
Which factors could explain the low birth weight paradox
OBJECTIVE: Low birth weight children are unusual among well-off families. However, in Brazil, low birth weight rate was higher in a more developed city than in a less developed one. The study objective was to find out the reasons to explain this paradox. METHODS: A study was carried out in two municipalities, Ribeirão Preto (Southeastern Brazil) and São Luís (Northeastern Brazil), which low birth weight rates were 10.7% and 7.6% respectively. Dat…
Saúde perinatal
Estudou-se, em Ribeirão Preto, SP, Brasil, no período de 1o de junho de 1978 a 31 de maio de 1979, 98% do universo de nascidos vivos, totalizando 8.878 crianças nascidas de parto único. As taxas de baixo peso e de peso deficiente ao nascer foram de 7,5% e de 21,1%, respectivamente. A maioria dos nascimentos de baixo peso eram crianças a termo, 50,6%, representando casos de retardo de crescimento intra-uterino. A prevalência de baixo peso nas clas…
Comparação entre duas coortes de mães adolescentes em município do Sudeste do Brasil
OBJETIVO: Comparar a prevalência de gravidez na adolescência e analisar variáveis sociobiológicas relacionadas ao binômio mãe-filho entre duas coortes de mães adolescentes de nascidos vivos em Ribeirão Preto (1978-1979 e 1994). MÉTODOS: Foram entrevistadas mães adolescentes logo após o parto, sendo 943 em 1978/79 e 499 em 1994, abrangendo nascidos vivos de parto único, de famílias residentes em Ribeirão Preto, SP. Foi utilizado o teste do qui-qua…
Maternal age, social changes, and pregnancy outcome in Ribeirão Preto, southeast Brazil, in 1978-79 and 1994
This study focused on changes in demographic, social, and health-care patterns and pregnancy outcome related to maternal age from 1978-79 to 1994 in Ribeirão Preto, São Paulo State, Brazil. Information on pregnancy outcome was obtained from two cohorts of singleton live births, 6,681 births in 1978/79 and 2,839 births in 1994. A standardized questionnaire was submitted to mothers after delivery, and demographic information was collected from offi…
Excess weight and obesity prevalence in the RPS Brazilian Birth Cohort Consortium (Ribeirão Preto, Pelotas and São Luís)
Our objective was to estimate the prevalence of excess weight and obesity, according to sex and income in the RPS Brazilian Birth Cohort Consortium (Ribeirão Preto, Pelotas, and São Luís). Participants in the Ribeirão Preto (1978/1979 and 1994), Pelotas (1982, 1993 and 2004) and São Luís (1997/1998) birth cohorts were included in different follow-ups from 7 years old onwards. Excess weight (overweight and obesity) were assessed by body mass index…
Infant mortality
OBJECTIVE: To obtain population estimates and profile risk factors for infant mortality in two birth cohorts and compare them among cities of different regions in Brazil. METHODS: In Ribeirão Preto, southeast Brazil, infant mortality was determined in a third of hospital live births (2,846 singleton deliveries) in 1994. In São Luís, northeast Brazil, data were obtained using systematic sampling of births stratified by maternity unit (2,443 single…
Descrição de um novo foco endêmico de esquistossomose mansônica no Estado de São Paulo, Brasil
Foi descrito novo foco endêmico de esquistossomose mansônica situado na Cidade de Bebedouro, Estado de São Paulo, Brasil. Foram analisados 221 casos diagnosticados da doença segundo a idade, sexo e origem (autóctone ou não), bem como foram discutidos os fatores envolvidos no aparecimento do foco, alertando-se para a necessidade de medidas de controle
Saúde perinatal em Ribeirão Preto, SP, Brasil
Os autores apresentam a metodologia do planejamento, montagem, execução empírica e um protótipo de análise de pesquisa em saúde perinatal. No projeto foram estudados todos os partos hospitalares (resultando recém-nascidos vivos) no município de Ribeirão Preto, Brasil, no período de l de junho de 1978 a 31 de maio de 1979. O estudo foi feito através de entrevistas com todas as puérperas que deram o luz nos 8 hospitas-maternidades do município, e a…
Saúde perinatal em Ribeirão Preto, SP, Brasil
Os autores apresentam algumas características demógrafo-sociais e da atenção médica da população de recém-nascidos dos hospitais de Ribeirão Preto, SP, Brasil, no período de 1°. de junho de 1978 a 31 de maio de 1979, englobando 98% do universo de nascidos vivos, correspondendo a um total de 9048 crianças. São apresentados dados referentes aos pais e mães (idade, escolaridade, hábito de fumar, trabalho, situação conjugal, número e duração das gest…
Saúde perinatal
Estudou-se, em Ribeirão Preto, SP, Brasil, no período de 1o de junho de 1978 a 31 de maio de 1979, 98% do universo de nascidos vivos, totalizando 8.878 crianças nascidas de parto único. As taxas de baixo peso e de peso deficiente ao nascer foram de 7,5% e de 21,1%, respectivamente. A maioria dos nascimentos de baixo peso eram crianças a termo, 50,6%, representando casos de retardo de crescimento intra-uterino. A prevalência de baixo peso nas clas…
Associação entre idade, classe social e hábito de fumar maternos com peso ao nascer
Foi realizado inquérito em Ribeirão Preto, Brasil, de junho de 1978 a maio de 1979, que constou de entrevistas com mães de nascidos vivos hospitalares, de partos únicos, correspondendo a 98 % dos nascimentos ocorridos durante o período no Município. O maior percentual de nascimentos com baixo peso ocorreu entre as mães jovens, fumantes e pertencentes às classes trabalhadoras. O maior número de mães jovens foi encontrado também nessas classes. A p…
Atenção médica à gestação e ao parto de mães adolescentes
Estudou-se em Ribeirão Preto, SP, Brasil, no período de 1o de junho de 1978 a 31 de maio de 1979, 98% do universo de nascidos vivos, totalizando 8878 crianças nascidas de parto único, sendo 6750 procedentes de Ribeirão Preto. Observou-se um aumento da proporção de mães adolescentes em Ribeirão Preto (14,1%) quando comparada com estudo realizado 10 anos antes (11,7%). A idade materna menor de 20 anos esteve associada com os indicadores mais desfav…
Peso ao Nascer, classe social e mortalidade infantil em Ribeirão Preto, São Paulo
Foi realizado um estudo sobre mortalidade neonatal e pós-neonatal e mortalidade no lo ano de vida de uma coorte de crianças nascidas vivas, de partos hospitalares em Ribeirão Preto, São Paulo, Brasil, cujas mães foram entrevistadas por ocasião do nascimento. Relacionou-se mortalidade com classe social e peso ao nascer. A distribuição desigual da mortalidade mostrou que as classes sociais se comportam como populações distintas, e o peso ao nascer …
Dimensão social do meio ambiente
The authors discuss the necessary interrelation between health and education whenever attitudes concerning the environment must be taken. They believe that such relations must surpass the . approaches essentially biologicals and reach the social, economic and political magnitude required nowadays
Consumo de substâncias psicoativas por adolescentes escolares de Ribeirão Preto, SP (Brasil)
INTRODUÇÃO: Vários estudos epidemiológicos sobre o consumo de substâncias psicoativas têm incluído em suas análises a avaliação da influência do contexto social nos níveis de prevalência desse consumo. Analisa-se a distribuição do consumo dessas substâncias segundo as classes sociais, numa amostra de adolescentes escolares de Ribeirão Preto, SP, Brasil. MATERIAL E MÉTODO: Um questionário auto-aplicável, adaptado e submetido a um teste de confiabi…
Avaliação de um programa de suplementação alimentar
The objective of this study was to evaluate the impact of a feeding supplementation program on the growth of undernourished children younger than 5 years in the city of Guariba, state of São Paulo, Brazil. The sample consisted of 469 malnourished children enrolled in a feeding supplementation program sponsored by the State Health Secretariat. The children were divided into four groups according to how long they had been enrolled in the program: i…
Saúde perinatal
OBJETIVO: Descrever os procedimentos metodológicos e algumas características demógrafo-sociais e da atenção médica da população estudada em um projeto de pesquisa em saúde perinatal realizado no Município de Ribeirão Preto, SP, Brasil, em 1994, visando a realizar comparações históricas com indicadores de saúde materno-infantil. MATERIAL E MÉTODO: Entre junho de 1978 e maio de 1979 foram estudados todos os nascimentos hospitalares de Ribeirão Pret…
Risk factors for the increasing trend in low birth weight among live births born by vaginal delivery, Brazil
OBJECTIVE: To identify risk factors for low birth weight (LBW) among live births by vaginal delivery and to determine if the disappearance of the association between LBW and socioeconomic factors was due to confounding by cesarean section. METHODS: Data were obtained from two population-based cohorts of singleton live births in Ribeirão Preto, Southeastern Brazil. The first one comprised 4,698 newborns from June 1978 to May 1979 and the second in…
Comparação entre duas coortes de mães adolescentes em município do Sudeste do Brasil
OBJETIVO: Comparar a prevalência de gravidez na adolescência e analisar variáveis sociobiológicas relacionadas ao binômio mãe-filho entre duas coortes de mães adolescentes de nascidos vivos em Ribeirão Preto (1978-1979 e 1994). MÉTODOS: Foram entrevistadas mães adolescentes logo após o parto, sendo 943 em 1978/79 e 499 em 1994, abrangendo nascidos vivos de parto único, de famílias residentes em Ribeirão Preto, SP. Foi utilizado o teste do qui-qua…
Maternal age, social changes, and pregnancy outcome in Ribeirão Preto, southeast Brazil, in 1978-79 and 1994
This study focused on changes in demographic, social, and health-care patterns and pregnancy outcome related to maternal age from 1978-79 to 1994 in Ribeirão Preto, São Paulo State, Brazil. Information on pregnancy outcome was obtained from two cohorts of singleton live births, 6,681 births in 1978/79 and 2,839 births in 1994. A standardized questionnaire was submitted to mothers after delivery, and demographic information was collected from offi…
Idade da menarca em escolares de uma comunidade rural do Sudeste do Brasil
O objetivo deste estudo foi determinar os valores dos percentis 3 (P3), 50 (P50 = Idade Mediana da Menarca = IMM) e 97(P97), e a amplitude entre os extremos (P97 e P3), nas escolares do Município de Barrinha, São Paulo, Brasil. Esses valores foram correlacionados com algumas condições sócio-econômicas: classe social, número de irmãos e situação de desemprego do pai. Trata-se de estudo transversal, utilizando o método "status quo", ajustado pelo L…
Influências socioculturais na escolaridade de conscritos
The article describes a survey carried out by the authors, in Ribeirão Preto, aiming at comparing the parent schooling levels of the recruits (conscritos) belonging to the cohort (population) of the newly borns between 1978/1979 and to evaluate the relation between the families' socioeconomic and cultural condition and their kid's development in school. Among the cohort boys, 2.847 were located in the military service and 1.336 were interviewed. …
Infant mortality rates according to socioeconomic status in a Brazilian city
OBJECTIVE: Data from municipal databases can be used to plan interventions aimed at reducing inequities in health care. The objective of the study was to determine the distribution of infant mortality according to an urban geoeconomic classification using routinely collected municipal data. METHODS: All live births (total of 42,381) and infant deaths (total of 731) that occurred between 1994 and 1998 in Ribeirão Preto, Brazil, were considered. Fo…
The relative strength of weight and length at birth in contrast to social factors as determinants of height at 18 years in Brazil
This study has demonstrated the lasting and greater effect of length and weight at birth on height in comparison to social factors, but social factors are still meaningful in their effects on height. Birth length has a marginal greater effect on final height than birth weight
Narrowing inequalities in infant mortality in Southern Brazil
OBJECTIVE: To determine the trends of infant mortality from 1995 to 1999 according to a geographic area-based measure of maternal education in Porto Alegre, Brazil. METHODS: A registry-based study was carried out and a municipal database created in 1994 was used. All live births (n=119,170) and infant deaths (n=1,934) were considered. Five different geographic areas were defined according to quintiles of the percentage of low maternal educational…
Fatores associados à inadequação do uso da assistência pré-natal
OBJETIVO: Identificar fatores associados à inadequação do uso da assistência pré-natal em comunidade urbana. MÉTODOS: Foi realizado estudo transversal em amostra sistemática, estratificada por maternidades, de todos os nascimentos hospitalares do município de São Luís, MA, no período de março de 1997 a fevereiro de 1998. Foram avaliados indicadores socioeconômicos e demográficos, de saúde reprodutiva, morbidade na gravidez e utilização de serviço…
Infant mortality and low birth weight in cities of Northeastern and Southeastern Brazil
OBJECTIVE: To compare estimates of low birth weight (LBW), preterm birth, small for gestational age (SGA), and infant mortality in two birth cohorts in Brazil. METHODS: The two cohorts were performed during the 1990s, in São Luís, located in a less developed area in Northeastern Brazil, and Ribeirão Preto, situated in a more developed region in Southeastern Brazil. Data from one-third of all live births in Ribeirão Preto in 1994 were collected (2…
Características da gravidez na adolescência em São Luís, Maranhão
OBJETIVO: Identificar as principais características socioeconômicas, demográficas, antropométricas e comportamentais, bem como os resultados perinatais da gravidez na adolescência. Conhecer os tipos de serviços de saúde utilizados pelas gestantes adolescentes. MÉTODOS: A amostra de 2.429 partos de mulheres residentes em São Luís, MA, abrangeu 94% dos nascimentos hospitalares. As mulheres foram separadas em seis grupos de idade para melhor avaliaç…
Increasing Pre-Term and Low-Birth- Weight Rates Over Time and Their Impact on Infant Mortality in South-East Brazil
This study investigates the possible effects of pre-term births and low birth weight on infant mortality rates (IMRs) over a 15-year period in Ribeirão Preto, Brazil, based on surveys carried out in 1978/79 and 1994. The 1978/79 survey included 6750 births over a 12-month period and the 1994 survey 2846 births over a 4-month period. Infant deaths were retrieved monthly from the city register. Infant mortality rate decreased from 36·6 to 16·9 deat…
Monthly distribution of menarche among schoolgirls from a municipality in Southeastern Brazil
We studied the monthly distribution of menarche among schoolgirls from Barrinha, Brazil, a municipality of rural characteristics in the process of transition to urbanization, economically dependent on sugar cane culture and processing. The association between season of the year, month of the year, and birth month and the occurrence of menarche was evaluated. The schoolgirls who provided the date of menarche (month and year) by the recall method a…
Trends in Prenatal Care Use and Low Birthweight in Southeast Brazil
Objectives. We investigated trends in prenatal care use and its association with low birthweight in a developing country. Methods. We examined data from 2 southeast Brazilian cohort surveys, 1 conducted in 1978–1979 and the other in 1994. Results. Socioeconomic inequalities in prenatal care use increased during the 15-year period of 1979–1994. Although prenatal care use increases paralleled increases in low birthweight rate during this period, ha…
Medicine (63 obras) · Demography (51 obras) · Population (43 obras) · Environmental health (37 obras) · Maternal and Neonatal Healthcare (32 obras) · Pregnancy (28 obras) · Internal Medicine (21 obras) · Global Maternal and Child Health (20 obras) · Obstetrics (19 obras) · Birth weight (17 obras)