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au:Horta, Bernardo L

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COVID-19 and social distancing among children and adolescents in Brazil
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Barros, Fernando C

; Hartwig, Fernando P

; Barros, Aluísio J D

; Menezes, Ana M B

; Horta, Bernardo L

; Struchiner, Cláudio J

; Vidaletti, Luis Paulo

; Silveira, Mariangela F

; Mesenburg, Marilia A

; Delagostin, Odir A

; Hallal, Pedro C

; Victora, Cesar G

Revista de Saúde Pública

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2021, Volume 55 elocation 42

Abstract: En | Text: En | PDF: En

ABSTRACT OBJECTIVE To estimate the prevalence of SARS-CoV-2 antibodies and the adherence to measures of social distancing in children and adolescents studied in three national surveys conducted in Brazil between May–June 2020. METHODS Three national serological surveys were conducted in 133 sentinel cities located in all 27 Federative Units. Multistage probability sampling was used to select 250 individuals per city. The total sample size in age ranges 0–9 and 10–19 years old are of 4,263 and 8,024 individuals, respectively. Information on children or adolescents was gathered with a data collection app, and a rapid point-of-case test for SARS-CoV-2 was conducted on a finger prick blood sample. RESULTS The adjusted prevalence of antibodies was 2.9% (2.2–3.6) among children 0–9 years, 2.2% (1.8–2.6) among adolescents 10-19 years, and 3.0% (2.7–3.3) among adults 20+years. Prevalence of antibodies was higher among poor children and adolescents compared to those of rich families. Adherence to social distancing measures was seen in 72.4% (71.9–73.8) of families with children, 60.8% (59.6–61.9) for adolescents, and 57.4% (56.9–57.8) for adults. For not leaving the house except for essential matters the proportions were 81.7% (80.5–82.9), 70.6% (69.6–61.9), and 65.1% (64.7–65.5), respectively. Among children and adolescents, social distancing was strongly associated with socioeconomic status, being much higher in the better-off families. CONCLUSIONS The prevalence of antibodies against SARS-CoV-2 showed comparable levels among children, adolescents, and adults. Adherence to social distancing measures was more prevalent in children, followed by adolescents. There were important socioeconomic differences in the adherence to social distancing among children and adolescents.

https://doi.org/10.11606/s1518-8787.2021055003832 132 downloads

COVID-19 and social distancing among children and adolescents in Brazil
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Barros, Fernando C

; Hartwig, Fernando P

; Barros, Aluísio J D

; Menezes, Ana M B

; Horta, Bernardo L

; Struchiner, Cláudio J

; Vidaletti, Luis Paulo

; Silveira, Mariangela F

; Mesenburg, Marilia A

; Delagostin, Odir A

; Hallal, Pedro C

; Victora, Cesar G

Revista de Saúde Pública

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2021, Volume 55 elocation 42

Abstract: En | Text: En | PDF: En

https://doi.org/10.11606/s1518-8787.2021055003832

Time-dependent decay of detectable antibodies against SARS-CoV-2: A comparison of ELISA with two batches of a lateral-flow test
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Silveira, Mariangela F

; Mesenburg, Marilia A

; Dellagostin, Odir A

; Oliveira, Natasha R de

; Maia, Mara AC

; Santos, Francisco D

; Vale, André

; Menezes, Ana M B

; Victora, Gabriel D

; Victora, Cesar G

; Barros, Aluisio JD

; Vidaletti, Luis Paulo

; Hartwig, Fernando P

; Barros, Fernando C

; Hallal, Pedro C

; Horta, Bernardo L

Brazilian Journal of Infectious Diseases

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2021, Volume 25 N. 4 elocation 101601

Abstract: En | Text: En | PDF: En

ABSTRACT Background: Large-scale epidemiological studies of seroprevalence of antibodies against SARS-CoV-2 often rely on point-of-care tests that provide immediate results to participants. Yet, little is known on how long rapid tests remain positive after the COVID-19 episode, or how much variability exists across different brands and even among batches of the same test. Methods: In November 2020, we assessed the sensitivity of three tests applied to 133 individuals with a previous positive PCR result between April and October. All subjects provided finger prick blood samples for two batches (A and B) of the Wondfo lateral-flow IgG/IgM test, and dried blood spot samples for the S-UFRJ ELISA test. Results: Overall sensitivity levels were 92.5% (95% CI 86.6-96.3), 63.2% (95% CI 54.4-71.4) and 33.8% (95% CI 25.9-42.5) for the S-UFRJ test, Wondfo A and Wondfo B tests, respectively. There was no evidence of a decline in the positivity of S-UFRJ with time since the diagnosis, but the two Wondfo batches showed sharp reductions to as low as 41.9% and 19.4%, respectively, for subjects with a positive PCR in June or earlier. Positive results for batch B of the rapid test were 35% to 54% lower than for batch A at any given month of diagnosis. Interpretation: Whereas the ELISA test showed high sensitivity and stability of results over the five months of the study, both batches of the rapid test showed substantial declines, with one of the batches consistently showing lower sensitivity levels than the other. ELISA tests based on dried-blood spots are an inexpensive alternative to rapid lateral-flow tests in large-scale epidemiological studies.

https://doi.org/10.1016/j.bjid.2021.101601 40 downloads

Population-level seropositivity trend for SARS-Cov-2 in Rio Grande do Sul, Brazil
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Barros, Aluísio J D

; Victora, Cesar G

; Menezes, Ana M B

; Horta, Bernardo L

; Barros, Fernando C

; Hartwig, Fernando P

; Victora, Gabriel D

; Vidaletti, Luis Paulo

; Silveira, Mariângela F

; Mesenburg, Marilia A

; Jacques, Nadège

; Struchiner, Cláudio J

; Brust, Flávia Roberta

; Dall’Agnol, Marinel M

; Delamare, Ana Paula Longaray

; François, Carlos Henrique R

; Ikeda, Maria Letícia R

; Pellegrini, Débora C P

; Reuter, Cézane Priscila

; Silva, Shana G da

; Dellagostin, Odir A

; Hallal, Pedro C

Revista de Saúde Pública

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2021, Volume 55 elocation 78

Abstract: En | Text: En | PDF: En

ABSTRACT OBJECTIVE To describe the evolution of seropositivity in the State of Rio Grande do Sul, Brazil, through 10 consecutive surveys conducted between April 2020 and April 2021. METHODS Nine cities covering all regions of the State were studied, 500 households in each city. One resident in each household was randomly selected for testing. In survey rounds 1–8 we used the rapid WONDFO SARS-CoV-2 Antibody Test (Wondfo Biotech Co., Guangzhou, China). In rounds 9–10, we used a direct ELISA test that identifies IgG to the viral S protein (S-UFRJ). In terms of social distancing, individuals were asked three questions, from which we generated an exposure score using principal components analysis. RESULTS Antibody prevalence in early April 2020 was 0.07%, increasing to 10.0% in February 2021, and to 18.2% in April 2021. In round 10, self-reported whites showed the lowest seroprevalence (17.3%), while indigenous individuals presented the highest (44.4%). Seropositivity increased by 40% when comparing the most with the least exposed. CONCLUSIONS The proportion of the population already infected by SARS-Cov-2 in the state is still far from any perspective of herd immunity and the infection affects population groups in very different levels.

https://doi.org/10.11606/s1518-8787.2021055004075

Population-level seropositivity trend for SARS-Cov-2 in Rio Grande do Sul, Brazil
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Barros, Aluísio J D

; Victora, Cesar G

; Menezes, Ana M B

; Horta, Bernardo L

; Barros, Fernando C

; Hartwig, Fernando P

; Victora, Gabriel D

; Vidaletti, Luis Paulo

; Silveira, Mariângela F

; Mesenburg, Marilia A

; Jacques, Nadège

; Struchiner, Cláudio J

; Brust, Flávia Roberta

; Dall’Agnol, Marinel M

; Delamare, Ana Paula Longaray

; François, Carlos Henrique R

; Ikeda, Maria Letícia R

; Pellegrini, Débora C P

; Reuter, Cézane Priscila

; Silva, Shana G da

; Dellagostin, Odir A

; Hallal, Pedro C

Revista de Saúde Pública

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2021, Volume 55 elocation 78

Abstract: En | Text: En | PDF: En

https://doi.org/10.11606/s1518-8787.2021055004075

Evolução da prevalência de infecção por COVID-19 no Rio Grande do Sul, Brasil: inquéritos sorológicos seriados
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Hallal, Pedro Curi

; Horta, Bernardo L

; Barros, Aluísio J D

; Dellagostin, Odir A

; Hartwig, Fernando P

; Pellanda, Lúcia C

; Struchiner, Cláudio José

; Burattini, Marcelo N

; Silveira, Mariângela Freitas da

; Menezes, Ana M B

; Barros, Fernando C

; Victora, Cesar Gomes

Ciência & Saúde Coletiva

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jun 2020, Volume 25 Suppl. 1 Pages 2395 - 2401

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo A COVID-19 é uma doença produzida pelo vírus SARS-CoV-2. Esse vírus se espalhou rapidamente pelo mundo, o que levou a Organização Mundial da Saúde a classificar a COVID-19 como uma emergência de saúde internacional e, posteriormente, a declará-la uma pandemia. O número de casos confirmados, no dia 11 de abril de 2020, já passa de 1.700.000, porém esses dados não refletem a real prevalência de COVID-19 na população, visto que, em muitos países, os testes são quase que exclusivamente realizados em pessoas com sintomas, especialmente os mais graves. Para definir políticas de enfrentamento, é essencial dispor de dados sobre a prevalência real de infecção na população. Este estudo tem por objetivos avaliar a proporção de indivíduos já infectados pelo SARS-CoV-2 no Rio Grande do Sul, Brasil, analisar a velocidade de expansão da infecção e estimar o percentual de infectados com e sem sintomas. Serão realizados quatro inquéritos sorológicos repetidos a cada 15 dias, com amostragem probabilística de nove cidades sentinela, em todas as sub-regiões do Estado. As entrevistas e testes ocorrerão no âmbito domiciliar. Serão utilizados testes rápidos para detecção de anticorpos, validados previamente ao início da coleta de dados.

Abstract COVID-19, the disease produced by the virus SARS-CoV-2, has spread quickly throughout the world, leading the World Health Organization to first classify it as an international health emergency and, subsequently, declaring it pandemic. The number of confirmed cases, as April 11, surpassed 1,700,000, but this figure does not reflect the prevalence of COVID-19 in the population as, in many countries, tests are almost exclusively performed in people with symptoms, particularly severe cases. To properly assess the magnitude of the problem and to contribute to the design of evidence-based policies for fighting COVID-19, one must accurately estimate the population prevalence of infection. Our study is aimed at estimating the prevalence of infected individuals in the state of Rio Grande do Sul, Brazil, to document how fast the infection spreads, and to estimate the proportion of infected persons who present or presented symptoms, as well as the proportion of asymptomatic infections. Four repeated serological surveys will be conducted in probability samples of nine sentinel cities every two weeks. Tests will be performed in 4,500 participants in each survey, totaling18,000 interviews. Interviews and tests will be conducted at the participants' household. A rapid test for the detection of antibodies will be used; the test was validated prior to the beginning of the fieldwork.

https://doi.org/10.1590/1413-81232020256.1.09632020 6761 downloads

Social distancing patterns in nine municipalities of Rio Grande do Sul, Brazil: the Epicovid19/RS study
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Barros, Aluisio J D

; Victora, Cesar G

; Menezes, Ana M B

; Horta, Bernardo L

; Hartwig, Fernando

; Victora, Gabriel

; Pellanda, Lúcia C

; Dellagostin, Odir A

; Struchiner, Claudio J

; Burattini, Marcelo N

; Gonçalves, Marcelo R

; Possuelo, Lia G

; Weber, Liliana P

; Estima, Sonara Lucia

; Jacques, Nadège

; Härter, Jenifer

; Silva, Shana G

; Frizzo, Matias

; Lima, Rosangela C

; Barros, Fernando C

; Silveira, Mariângela F

; Hallal, Pedro C

Revista de Saúde Pública

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2020, Volume 54 elocation 75

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO OBJETIVO Descrever práticas de distanciamento social em nove municípios do Rio Grande do Sul por sexo, idade, escolaridade e cidade. MÉTODOS Foram realizados dois estudos transversais sequenciais representativos da população urbana nos municípios de Canoas, Caxias do Sul, Ijuí, Passo Fundo, Pelotas, Porto Alegre, Santa Cruz do Sul, Santa Maria e Uruguaiana com o intuito de estimar a prevalência populacional de Covid-19. Foi aplicado questionário contendo três perguntas sobre distanciamento social, cujas práticas foram submetidas a análises descritivas por subgrupos. Os dados foram comparados por testes qui-quadrado. RESULTADOS Em termos de grau de distanciamento social, 25,8% dos entrevistados relataram estar praticamente isolados e 41,1% indicam praticar bastante distanciamento. Relataram ficar em casa o tempo todo 20,1% dos entrevistados, e 44,5% informam que saem apenas para atividades essenciais. Mais da metade dos domicílios não recebe visitas de não moradores. O grupo que relatou menos distanciamento social foi o de adultos entre 20 e 59 anos, enquanto mais de 80% dos entrevistados com 60 anos ou mais relataram estar praticamente isolados ou fazendo bastante distanciamento. As mulheres relataram fazer mais distanciamento que os homens, e os grupos de maior escolaridade foram os que relataram sair diariamente para atividades regulares com mais frequência. CONCLUSÕES Os grupos mais jovens e mais idosos estão mais protegidos pelo distanciamento social, mas há grupos bastante expostos, o que pode ser um limitador importante no controle da progressão da epidemia de Covid-19.

ABSTRACT OBJECTIVE To describe social distancing practices in nine municipalities of the state of Rio Grande do Sul, Brazil, stratified by gender, age, and educational attainment. METHODS Two sequential cross-sectional studies were conducted in the municipalities of Canoas, Caxias do Sul, Ijuí, Passo Fundo, Pelotas, Porto Alegre, Santa Cruz do Sul, Santa Maria, and Uruguaiana to estimate the population prevalence of COVID-19. The study was designed to be representative of the urban population of these municipalities. A questionnaire including three questions about social distancing was also administered to the participants. Here, we present descriptive analyses of social distancing practices by subgroups and use chi-square tests for comparisons. RESULTS In terms of degree of social distancing, 25.8% of the interviewees reported being essentially isolated and 41.1% reported being quite isolated. 20.1% of respondents reported staying at home all the time, while 44.5% left only for essential activities. More than half of households reported receiving no visits from non-residents. Adults aged 20 to 59 reported the least social distancing, while more than 80% of participants aged 60 years or older reported being essentially isolated or quite isolated. Women reported more stringent distancing than men. Groups with higher educational attainment reported going out for daily activities more frequently. CONCLUSIONS The extremes of age are more protected by social distancing, but some groups remain highly exposed. This can be an important limiting factor in controlling progression of the COVID-19 pandemic.

https://doi.org/10.11606/s1518-8787.2020054002810 994 downloads

Social distancing patterns in nine municipalities of Rio Grande do Sul, Brazil: the Epicovid19/RS study
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Barros, Aluisio J D

; Victora, Cesar G

; Menezes, Ana M B

; Horta, Bernardo L

; Hartwig, Fernando

; Victora, Gabriel

; Pellanda, Lúcia C

; Dellagostin, Odir A

; Struchiner, Claudio J

; Burattini, Marcelo N

; Gonçalves, Marcelo R

; Possuelo, Lia G

; Weber, Liliana P

; Estima, Sonara Lucia

; Jacques, Nadège

; Härter, Jenifer

; Silva, Shana G

; Frizzo, Matias

; Lima, Rosangela C

; Barros, Fernando C

; Silveira, Mariângela F

; Hallal, Pedro C

Revista de Saúde Pública

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2020, Volume 54 elocation 75

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.11606/s1518-8787.2020054002810

Evolução da prevalência de infecção por COVID-19 no Rio Grande do Sul, Brasil: inquéritos sorológicos seriados
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Hallal, Pedro Curi

; Horta, Bernardo L

; Barros, Aluísio J D

; Dellagostin, Odir A

; Hartwig, Fernando P

; Pellanda, Lúcia C

; Struchiner, Cláudio José

; Burattini, Marcelo N

; Silveira, Mariângela Freitas da

; Menezes, Ana M B

; Barros, Fernando C

; Victora, Cesar Gomes

Ciência & Saúde Coletiva

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2020, Volume 25 Suppl. 1 Pages 2395 - 2401

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.1590/1413-81232020256.1.09632020

10.

Impact of stressful life events on central adiposity in the Pelotas Birth Cohort
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Surkan, Pamela J

; Sakyi, Kwame S

; Hu, Alice

; Olinto, Maria T

; Gonçalves, Helen

; Horta, Bernardo L

; Gigante, Denise P

Revista de Saúde Pública

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2018, Volume 52 elocation 61

Abstract: En | Text: En | PDF: En

ABSTRACT OBJECTIVE: To investigate how stressful life events and social support relate to central adiposity in Southern Brazil. METHODS: Data included information from 802 participants in the 1982 Pelotas Birth Cohort that was collect in 2004-2005 and 2006. Stratifying by sex, we studied self-reported stressful life events during the year before 2004-2005 in relation to change in waist circumference between 2004-2005 and 2006 and waist-to-hip ratio in 2006, using both bivariate and multivariate linear regression models. RESULTS: In adjusted models, the experience of stressful life events during the year before 2004-2005 predicted a change in waist circumference in 2006 in men and a change in both waist-to-hip ratio in 2006 and waist circumference between 2004-2005 and 2006 in women. Men who experienced two or more stressful events had on average a one centimeter increase in their waist circumference between 2004-2005 and 2006 (β = 0.97, 95%CI 0.02-1.92), compared to those reporting no stressful events. For women, those who had one and those who had two or more stressful life events had over a 1 cm increase in their waist circumference from 2004-2005 to 2006 (β = 1.37, 95%CI 0.17-2.54; β = 1.26, 95%CI 0.11-2.40, respectively), compared to those who did not experience any stressful event. For both sexes, social support level was not significantly related to either waist-to-hip ratio or change in waist circumference, and it did not modify the association between stress and central adiposity. CONCLUSIONS: The experience of more than one stressful life event was associated with distinct indicators of central adiposity for men versus women.

https://doi.org/10.11606/s1518-8787.2018052000161 472 downloads

11.

Impact of stressful life events on central adiposity in the Pelotas Birth Cohort
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Surkan, Pamela J

; Sakyi, Kwame S

; Hu, Alice

; Olinto, Maria T

; Gonçalves, Helen

; Horta, Bernardo L

; Gigante, Denise P

Revista de Saúde Pública

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2018, Volume 52 elocation 61

Abstract: En | Text: En | PDF: En

https://doi.org/10.11606/s1518-8787.2018052000161 22 downloads

12.

Consumption of ultra-processed foods and their impact on the diet of young adults
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Bielemann, Renata M

; Motta, Janaína V Santos

; Minten, Gicele C

; Horta, Bernardo L

; Gigante, Denise P

Revista de Saúde Pública

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2015, Volume 49 elocation 28

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

OBJETIVO Avaliar o consumo de alimentos ultraprocessados, os fatores associados e a sua influência na ingestão de nutrientes em adultos jovens.MÉTODOS Em 2004-2005, os participantes da Coorte de Nascimentos de Pelotas de 1982 foram identificados para entrevista domiciliar. Foram entrevistados 4.297 indivíduos (taxa de acompanhamento de 77,4%) e incluídos no estudo 4.202. O consumo alimentar foi avaliado por meio de questionário de frequência alimentar e estimada a proporção da ingestão calórica diária atribuída aos alimentos ultraprocessados, bem como a ingestão de macro e micronutrientes. A associação entre características dos indivíduos e consumo de alimentos ultraprocessados foi avaliada utilizando-se regressão linear. A análise de variância e o teste Qui-quadrado de Pearson foram utilizados na associação entre quintis de consumo de alimentos ultraprocessados, ingestão e na adequação da ingestão de nutrientes, respectivamente.RESULTADOS O consumo de alimentos ultraprocessados contribuiu com 51,2% das calorias totais ingeridas. A ingestão de alimentos ultraprocessados foi maior entre indivíduos: do sexo feminino; de maior escolaridade; que nunca foram pobres e eutróficos. Maior consumo de alimentos ultraprocessados foi positivamente associado ao consumo de gorduras, colesterol, sódio, ferro, cálcio e calorias (p < 0,001) e negativamente associado ao consumo de carboidratos, proteínas e fibras alimentares (p < 0,001).CONCLUSÕES O elevado consumo de alimentos ultraprocessados e sua relação positiva com a ingestão de sódio, colesterol e gorduras chama a atenção para a realização de intervenções visando a redução da ingestão desse grupo de alimentos.

OBJECTIVE To evaluate the consumption of ultra-processed foods, its associated factors, and its influence on nutrient intake in young adults.METHODS In 2004-2005, the individuals belonging to the Pelotas birth cohort of 1982 were identified for a home interview. A total of 4,297 individuals were interviewed and 4,202 individuals were included in the study (follow-up rate of 77.4%). Diet was assessed using a questionnaire on dietary intake and the percentage of daily caloric intake attributed to ultra-processed foods as well as the intake of macro- and micronutrients were estimated. The association between cohort characteristics and the consumption of ultra-processed foods was assessed using linear regression. Analysis of variance and Pearson’s Chi-square test were used to evaluate the association between the quintiles of the consumption of ultra-processed food, nutrient intake and adequacy of nutrient intake, respectively.RESULTS The consumption of ultra-processed foods corresponded to 51.2% of the total caloric intake. The consumption of ultra-processed foods was higher among women, individuals with higher education, and individuals who were never poor and eutrophic. The increased consumption of ultra-processed foods was positively correlated with the consumption of fat, cholesterol, sodium, iron, calcium, and calories (p < 0.001) and was negatively correlated with the consumption of carbohydrates, protein, and dietary fiber (p < 0.001).CONCLUSIONS The high consumption of ultra-processed foods and its positive correlation with the intake of sodium, cholesterol, and fats underscores the need to perform interventions aimed at decreasing the intake of this food group.

https://doi.org/10.1590/S0034-8910.2015049005572 5673 downloads

13.

Consumption of ultra-processed foods and their impact on the diet of young adults
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Bielemann, Renata M

; Motta, Janaína V Santos

; Minten, Gicele C

; Horta, Bernardo L

; Gigante, Denise P

Revista de Saúde Pública

Journal Metrics
- Sobre o periódico
- SciELO Analytics

2015, Volume 49 elocation 28

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

https://doi.org/10.1590/S0034-8910.2015049005572 44515 downloads

14.

Prevalência de chiado no peito em adultos da coorte de nascimentos de 1982, Pelotas, RS
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Menezes, Ana M B

; Lima, Rosângela C

; Minten, Gicele C

; Hallal, Pedro C

; Victora, Cesar G

; Horta, Bernardo L

; Gigante, Denise P

; Barros, Fernando C

Revista de Saúde Pública

Journal Metrics
- Sobre o periódico
- SciELO Analytics

dec 2008, Volume 42 Suppl. 2 Pages 101 - 107

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

OBJETIVO: Estimar a prevalência de chiado no peito em adultos jovens, explorando o efeito de algumas variáveis sobre a ocorrência desta morbidade. MÉTODOS: Estudo prospectivo de coorte dos nascidos em 1982 na cidade de Pelotas (RS). Foram localizados 4.297 (77,4%) dos membros da coorte em 2004-5, cujos dados foram coletados por meio de entrevista, utilizando o questionário ISAAC (International Study of Asthma and Allergies in Childhood Steering Committee). A associação entre o desfecho "ocorrência de chiado no peito nos 12 meses anteriores à entrevista" e variáveis socioeconômicas, demográficas e características ao nascimento foi calculada por análise multivariável utilizando regressão de Poisson. RESULTADOS: A prevalência de chiado no último ano foi de 24,9%. Entre aqueles que relataram chiado, 54,6% referiram dificuldade para dormir e 12,9% para falar devido ao chiado. A prevalência de chiado no peito foi significativamente maior entre as mulheres, mantendo associação na análise ajustada com cor de pele não branca, com história familiar de asma e nível socioeconômico baixo. Entre os homens, não houve associação significativa na análise ajustada para cor de pele e renda familiar ao nascimento; história familiar de asma e pobreza durante a vida mostraram associação significativa com chiado no peito. Para ambos os sexos, não houve associação com as variáveis peso ao nascer e duração da amamentação. CONCLUSÕES: A prevalência de chiado no peito foi alta e as pessoas com renda familiar baixa ao nascer tiveram maior risco de chiado no peito no último ano.

OBJECTIVE: To estimate the prevalence of wheezing in the chest among adults, and to explore the effect of some variables on the prevalence of this condition. METHODS: This was a prospective cohort study on individuals born in the city of Pelotas (Southern Brazil) in 1982. A total of 4,297 subjects was traced in 2004-5, representing 77.4% of the original cohort. Data were collected by means of interviews using the ISAAC (International Study of Asthma and Allergies in Childhood Steering Committee) questionnaire. Associations between the outcome "occurrence of wheezing in the chest within the 12 months prior to the interview" and the variables of socioeconomic, demographic and birth characteristics were tested by means of multivariable analyses, using Poisson regression. RESULTS: The prevalence of wheezing over the preceding year was 24.9%. Among the individuals reporting wheezing, 54.6% reported difficulty in sleeping, and 12.9% reported difficulty in speaking due to wheezing. The prevalence of wheezing in the chest was significantly higher among women. This association was maintained in analyses adjusted for non-white skin color, family history of asthma and low socioeconomic level. Among men, there was no significant association in the analyses adjusted for skin color and family income at birth. Family histories of asthma and poverty throughout life presented significant associations with wheezing in the chest. For both sexes, there were no associations with the variables of birth weight and breastfeeding duration. CONCLUSIONS: The prevalence of wheezing in the chest was high, and subjects with low family income at birth were more likely to have had wheezing in the chest over the preceding year.

OBJETIVO: Estimar la prevalencia del silbido en el pecho en adultos jóvenes, explorando el efecto de algunas variables sobre la ocurrencia de esta morbilidad. MÉTODOS: Estudio prospectivo de cohorte de los nacidos en 1982 en la ciudad de Pelotas (Sur de Brasil). Fueron localizados 4.297 (77,4%) de los miembros de la cohorte en 2004-5, cuyos datos fueron colectados por medio de entrevista, utilizando el cuestionario ISAAC (International Study of Asthma and Allergies in Childhood Steering Committee). La asociación entre el resultado "ocurrencia de silbido en el pecho en los 12 meses anteriores a la entrevista" y variables socioeconómicas, demográficas y características al nacimiento fue calculada por análisis multivariable utilizando regresión de Poisson. RESULTADOS: La prevalencia del silbido en el último año fue de 24,9%. Entre aquellos que relataron silbido, 54,6% refirieron dificultad para dormir y 12,9% para hablar debido al silbido. La prevalencia del silbido en el pecho fue significativamente mayor entre las mujeres, manteniendo asociación en el análisis ajustado con color de piel no blanca, con historia familiar de asma y nivel socioeconómico bajo. Entre los hombres, no hubo asociación significativa en el análisis ajustado para color de la piel y renta familiar al nacer; historia familiar de asma y pobreza durante la vida mostraron asociación significativa con silbido en el pecho. Para ambos sexos, no hubo asociación con las variables peso al nacer y duración del amamantamiento. CONCLUSIONES: La prevalencia del silbido en el pecho fue alta y las personas con renta familiar baja al nacer tuvieron mayor riesgo de silbido en el pecho en el último año.

1958 downloads

15.

Avaliação nutricional de adultos da coorte de nascimentos de 1982, Pelotas, RS
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Gigante, Denise P

; Minten, Gicele C

; Horta, Bernardo L

; Barros, Fernando C

; Victora, Cesar G

Revista de Saúde Pública

Journal Metrics
- Sobre o periódico
- SciELO Analytics

dec 2008, Volume 42 Suppl. 2 Pages 60 - 69

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

OBJETIVO: Estimar a prevalência de desnutrição por déficit ou excesso de peso e sua associação com fatores demográficos e socioeconômicos. MÉTODOS: Estudo longitudinal de coorte de jovens nascidos em 1982 em Pelotas, RS. Em 2004-5 foram entrevistados 4.198 dos 5.914 indivíduos dessa coorte, que tiveram suas medidas de peso e estatura coletadas para cálculo do índice de massa corporal (IMC). Definiu-se baixo peso pelo valor de IMC inferior a 18,5 kg/m²; excesso de peso, pelo IMC entre 25 e 30kg/m²; e obesidade pelo IMC>30kg/m². Os efeitos de variáveis socioeconômicas (renda familiar e escolaridade), demográfica (cor da pele), peso ao nascer e amamentação sobre baixo peso, excesso de peso e obesidade foram analisados utilizando regressão de Poisson separadamente para homens e mulheres. RESULTADOS: As prevalências de baixo peso, obesidade e excesso de peso foram 6,0%, 8,2% e 28,9%, respectivamente. Na análise ajustada somente o peso ao nascer manteve-se associado com baixo peso em homens e mulheres. Homens pobres tiveram maior risco de baixo peso, mas ficaram protegidos da obesidade e do excesso de peso. Por outro lado, o risco de obesidade e excesso de peso foi maior entre as mulheres pobres. CONCLUSÕES: Os resultados reforçam a importância da determinação socioeconômica sobre o estado nutricional, chamando atenção como esses fatores agem de forma distinta em homens e mulheres de diferentes situações nutricionais, indicando atenção no que se refere a medidas específicas na prevenção, melhorando o acesso à informação sobre educação alimentar e nutricional para toda população.

OBJECTIVE: To estimate the prevalence of over/underweight and its association with demographic and socioeconomic factors. METHODS: Longitudinal cohort study of youths born in 1982 in Pelotas, Southern Brazil. In 2004-5 we interviewed 4,198 of the 5,914 cohort subjects, obtaining weight and stature measurements that were used to calculate body mass index (BMI). Underweight was defined as BMI lower than 18,5 kg/m²; overweight as BMI between 25 and 30kg/m²; and obesity as BMI IMC > 30kg/m². The effects of socioeconomic (family income and schooling) and demographic (skin color) variables, birthweight, and breastfeeding on underweight, overweight, and obesity were analyzed separately for men and women using Poisson regression. RESULTS: Prevalence of underweight, obesity, and overweight were 6.0%, 8.2%, and 28.9%, respectively. In adjusted analysis, only birthweight remained associated with underweight among men and women. Poor men showed higher risk of underweight, but were protected from obesity and overweight. By contrast, risk of obesity and overweight was higher among poor women. CONCLUSIONS: The present results underscore the importance of socioeconomic determinants on nutritional status, with special emphasis on the distinct effects these factors have among men and women in different nutritional conditions.

OBJETIVO: Estimar la prevalencia de desnutrición por déficit o exceso de peso y su asociación con factores demográficos y socioeconómicos. MÉTODOS: Estudio longitudinal de cohorte de jóvenes nacidos en 1982 en Pelotas (Sur de Brasil). En 2004-5 fueron entrevistados 4.198 de los 5.914 individuos de esa cohorte, que tuvieron sus medidas de peso y estatura colectadas para cálculo del índice de masa corporal (IMC). Se definió bajo peso por el valor de IMC inferior a 18,5 kg/m²; exceso de peso por el IMC entre 25 y 30 30kg/m²; y obesidad por el IMC>30kg/m². Los efectos de variables socioeconómicas (renta familiar y escolaridad), demográfica (color de piel), peso al nacer y amamantamiento sobre bajo peso, exceso de peso y obesidad fueron analizados utilizando regresión de Poisson separadamente para hombres y mujeres. RESULTADOS: Las prevalencias de bajo peso, obesidad y exceso de peso fueron 6,0%, 8,2% y 28,9%, respectivamente. En el análisis ajustado solamente el peso al nacer se mantuvo asociado con bajo peso en hombres y mujeres. Hombres pobres tuvieron mayor riesgo de bajo peso, pero estuvieron protegidos de la obesidad y del exceso de peso. Por otro lado, el riesgo de obesidad y exceso de peso fue mayor entre las mujeres pobres. CONCLUSIONES: Los resultados refuerzan la importancia de la determinación socioeconómica sobre el estado nutricional, llamando la atención de cómo esos factores actúan de forma distinta en hombres y mujeres de diferentes situaciones nutricionales, indicando atención en lo que se refiere a medidas específicas en la prevención, mejorando el acceso a la información sobre educación alimentar y nutricional para toda la población.

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