Avaliação nutricional de crianças indígenas Pakaanóva (Wari'), Rondônia, Brasil

[Excess weight in Xukuru indigenous children in Ororubá, Pernambuco State, Brazil: magnitude and associated factors]

The few studies on health and nutrition in indigenous peoples in Northeast Brazil point to some differences with indigenous peoples in the North and Central of the country. This study estimated the prevalence rates and risk of overweight and excess weight in Xukuru children in the village of Ororubá, Pernambuco State, and assessed the socioeconomic and demographic factors potentially associated with these conditions. This cross-sectional study analyzed the associations between adequate weight, excess weight (overweight and obesity), and risk of overweight according to the indices and cutoff points of the World Health Organization for children and the explanatory variables, using multinomial logistic regression. Prevalence of excess weight was 7.7% and risk of overweight was 24.2%. The odds of risk of overweight and excess weight were higher in children < 2 years. Children of obese mothers showed higher odds of excess weight. Prevalence of risk of overweight was 97% higher when compared to households with fixed income. The findings suggest that the Xukuru are experiencing an accelerated nutritional transition, with a paradoxical situation to which other indigenous peoples in Brazil are also exposed.

Diarrhea and health inequity among Indigenous children in Brazil: results from the First National Survey of Indigenous People's Health and Nutrition

BACKGROUND

Globally, diarrhea is the second leading cause of death among children under five. In Brazil, mortality due to diarrhea underwent a significant reduction in recent decades principally due to expansion of the primary healthcare network, use of oral rehydration therapy, reduced child undernutrition, and improved access to safe drinking water. The First National Survey of Indigenous People's Health and Nutrition in Brazil, conducted in 2008-2009, was the first survey based on a nationwide representative sample to study the prevalence of diarrhea and associated factors among Indigenous children in the country.

METHODS

The survey assessed the health and nutritional status of Indigenous children < 5 years of age based on a representative sample of major Brazilian geopolitical regions. A stratified probabilistic sampling was carried out for Indigenous villages. Within villages, children < 5 years of age in sampled households were included in the study. Interviews were based on a seven day recall period. Prevalence rates of acute diarrhea were calculated for independent variables and hierarchical multivariable analyses were conducted to assess associations.

RESULTS

Information on diarrhea was obtained for 5,828 children (95.1% of the total sample). The overall prevalence of diarrhea was 23.5%. Regional differences were observed, with the highest rate being in the North (38.1%). Higher risk of diarrhea was observed among younger children and those who had less maternal schooling, lower household socioeconomic status, undernutrition (weight-for-age deficit), presence of another child with diarrhea in the household, and occurrence of upper respiratory infection.

CONCLUSIONS

According to results of the First National Survey of Indigenous People's Health and Nutrition, almost a quarter of Indigenous children throughout the country had diarrhea during the previous week. This prevalence is substantially higher than that documented in 2006 for Brazilian children < 5 years generally (9.4%). Due to its exceedingly multicausal nature, the set of associated variables that remained associated with child diarrhea in the final multivariable model provide an excellent reflection of the diverse social and health inequities faced by Indigenous peoples in contemporary Brazil.

Brazilian indigenous children: Review of studies about nutritional status

Objective: To systematize studies on the anthropometric nutritional status of Brazilian indigenous children in order to examine the ability to address the totality of biological, anthropological, and ecological aspects, as well as to characterize the main analytical results of the determinants of nutritional status of Brazilian indigenous children. Methods: MedLine and Lilacs were searched using the intersection of "South American Indians" and "nutritional status" descriptors (the search in MedLine also included the descriptor "Brazil"). Results: Overall, 65 studies were identified, and 23 were considered relevant to this study. The systematization of these studies highlights the concentration of studies in the midwestern and northern regions of Brazil, as well as the lack of cultural, biochemical, and food consumption approaches. Regarding nutritional status, we found: 1) greater vulnerability of younger children, especially in relation to stunting; 2) absence of differences in nutritional status according to sex; 3) socioeconomic determination of nutritional status; 4) differences in nutritional status between children from different villages. Conclusion: The nutritional status of Brazilian indigenous children is associated with age, socioeconomic status, and ethnic characteristics. Efforts are needed to understand the ethnic and cultural influence on nutritional status and on its causal network, as well as of various factors minimally discussed.

Saúde e povos indígenas no Brasil: reflexões a partir do I Inquérito Nacional de Saúde e Nutrição Indígena

A configuração atual da saúde dos povos indígenas no Brasil resulta de complexa trajetória histórica, responsável por grandes atrasos para os indígenas em relação aos avanços sociais verificados no país ao longo das últimas décadas, particularmente nos campos da saúde, educação, habitação e saneamento. O principal foco dessa contribuição é rever sinteticamente uma seleção dos principais resultados do I Inquérito Nacional de Saúde e Nutrição Indígena, realizado entre 2008-2009, e que visitou 113 aldeias em todo o país, tendo entrevistado 6.692 mulheres e 6.128 crianças. Dentre os resultados, é dado destaque às deficientes condições de saneamento verificadas nas aldeias, à elevada prevalência de desnutrição crônica, anemia, diarreia e infecções respiratórias agudas na criança, e à emergência de doenças crônicas não transmissíveis na mulher. O cenário delineado a partir do Inquérito impõe urgente revisão crítica da política de saúde indígena, com vistas a melhor atender às necessidades de saúde do segmento indígena da população brasileira.

Nutritional status of indigenous children: findings from the First National Survey of Indigenous People's Health and Nutrition in Brazil

INTRODUCTION

The prevalence of undernutrition, which is closely associated with socioeconomic and sanitation conditions, is often higher among indigenous than non-indigenous children in many countries. In Brazil, in spite of overall reductions in the prevalence of undernutrition in recent decades, the nutritional situation of indigenous children remains worrying. The First National Survey of Indigenous People's Health and Nutrition in Brazil, conducted in 2008-2009, was the first study to evaluate a nationwide representative sample of indigenous peoples. This paper presents findings from this study on the nutritional status of indigenous children < 5 years of age in Brazil.

METHODS

A multi-stage sampling was employed to obtain a representative sample of the indigenous population residing in villages in four Brazilian regions (North, Northeast, Central-West, and Southeast/South). Initially, a stratified probabilistic sampling was carried out for indigenous villages located in these regions. Households in sampled villages were selected by census or systematic sampling depending on the village population. The survey evaluated the health and nutritional status of children < 5 years, in addition to interviewing mothers or caretakers.

RESULTS

Height and weight measurements were taken of 6,050 and 6,075 children, respectively. Prevalence rates of stunting, underweight, and wasting were 25.7%, 5.9%, and 1.3%, respectively. Even after controlling for confounding, the prevalence rates of underweight and stunting were higher among children in the North region, in low socioeconomic status households, in households with poorer sanitary conditions, with anemic mothers, with low birthweight, and who were hospitalized during the prior 6 months. A protective effect of breastfeeding for underweight was observed for children under 12 months.

CONCLUSIONS

The elevated rate of stunting observed in indigenous children approximates that of non-indigenous Brazilians four decades ago, before major health reforms greatly reduced its occurrence nationwide. Prevalence rates of undernutrition were associated with socioeconomic variables including income, household goods, schooling, and access to sanitation services, among other variables. Providing important baseline data for future comparison, these findings further suggest the relevance of social, economic, and environmental factors at different scales (local, regional, and national) for the nutritional status of indigenous peoples.

The nutrition transition in amazonia: rapid economic change and its impact on growth and development in Ribeirinhos

The goal of this longitudinal study was to assess the impact of economic change and increased market integration on subsistence strategies, living conditions, growth, and nutritional status of Ribeirinhos living in the rural Amazon, Brazil. Data on weight, height, skinfolds, and circumferences, as well as data on economic strategies and living conditions were collected from 469 individuals in 2002 and 429 in 2009. Of these, 204 individuals were measured on both occasions. Independent and paired t-tests were used to identify changes in nutritional status over time in the larger sample and smaller, longitudinal subsample, respectively. Multiple linear regressions were used to examine the relationship between changes in economic/living conditions and nutritional status in the longitudinal subsample. Results indicate modest improvements in linear growth (HAZ) and among male children the observed increase was related to enrollment in the Brazilian conditional cash transfer program, Bolsa Família (P = 0.03). In terms of short-term measures of nutritional status, we found a significant increase in ZTSF and a reduction in ZUMA in most age/sex groups. Among subadults, there was a negative relationship between ZUMA and access to electricity (P = 0.01) and positive relationship between ZUMA and the sale of the açaí fruit (P = 0.04). Significant changes in weight and BMI (P < 0.01) were found among adult females and both were negatively related to household cash income (P = 0.02 and P = 0.03, respectively). Despite significant changes in economic strategies and lifestyle, changes in nutritional status were modest which may be explained by increased food insecurity documented during this early stage of transition.

Malaria control in an Amazon municipality

This study aimed to evaluate the organization of malaria control actions in the Indigenous population of the municipality of São Gabriel da Cachoeira, Amazonas, AM, Brazil, from 2003 to 2007. This is an ecological study to evaluate the impact of control measures. Statistical analysis of the indicators revealed that the number of cases showed an increasing trend, with the highest numbers occurring in the rural areas. The same trend was observed for the Annual Parasite Index (API), however the highest APIs were found in the urban areas. The proportion of cases caused by Plasmodium falciparum showed a reduction. Hospitalization and mortality rates presented fluctuations and the fatality rate decreased. The findings indicate that control actions have proved partially effective and that they have provided a broader capacity to detect cases and to provide immediate treatment. Although the municipality still presents a high risk for transmission, the Pluriannual Plan in progress seems to have a good prognosis for the control of the disease, if maintained in a sustainable and permanent way.

Nutritional status and growth of indigenous Xavante children, Central Brazil

BACKGROUND

The aim of this study was to characterize the nutritional status of Xavante Indian children less than 10 years of age in Central Brazil and to evaluate the hypothesis of an association between child nutrition and socioeconomic differentiation in this population.

METHODS

A cross-sectional study was conducted in July 2006 that included all children under the age of 10 from the Xavante village Pimentel Barbosa in Mato Grosso, Brazil. The data collected included weight, height, and sociodemographic information. Sociodemographic data were used to generate two indices ("income" and "wealth") and to determine the proportion of adults in each household. Descriptive analyses were performed for weight-for-age (W/A), height-for-age (H/A), and weight-for-height (W/H) using the NCHS and the WHO growth references. Univariate and multivariate analyses were conducted using H/A and W/A as a response variables.

RESULTS

Of a total of 246 children under the age of ten residing in the village, 232 (94.3%) were evaluated. Following the NCHS reference, 5.6% of children under the age of ten presented low W/A and 14.7% presented low H/A. Among children under the age of five, deficit percentages for weight and height were 4.5% and 29.9%, respectively, following the WHO curves. Among children < 2 years of age, H/A index variability was found to be directly related to child's age and inversely related to the proportion of adults in the household. Maternal BMI was positively associated with growth for children from 2 to 4 years of age, explaining 11.5% of the z-score variability for the H/A index. For children 5 years of age and older, the wealth index and maternal height were positively associated with H/A. No significant associations were found using W/A as the dependent variable.

CONCLUSION

This study demonstrated that undernutrition, in particular linear growth deficit, is a notable health issue for Xavante children. These findings contrast with the nutritional profile observed among Brazilian children nationally, which is characterized by a sharp decline in child undernutrition in recent decades, even in the poorest regions of the country. This discrepancy calls attention to the persistent health disparities that exist between indigenous and non-indigenous people in Brazil.

Estado nutricional dos indígenas Kaingáng matriculados em escolas indígenas do Estado do Rio Grande do Sul, Brasil

Caracterizar o estado nutricional de 3.254 Kaingáng de escolas indígenas de 12 terras indígenas do Rio Grande do Sul, Brasil. Transversal de base escolar. Obtidas medidas de peso (P), estatura (E) e circunferência da cintura (CC) conforme Organização Mundial da Saúde - OMS (1995). Classificação do estado nutricional: crianças: índices E/I, P/I e P/E, de acordo com o National Center for Health Statistics (WHO, 1995) e E/I, P/I e índice de massa corporal/idade (IMC/I) de acordo com OMS (2006); adolescentes: IMC/I (OMS, 1995 e 2006) e E/I (OMS, 2006); adultos: IMC (OMS, 1995) e CC (OMS, 2003). Adolescentes representaram 56% dos avaliados, crianças 42,5%, adultos 1,4% e idosos 0,1%. Deficit estatural de 15,1% (OMS, 1995) e 15,5% (OMS, 2006) entre as crianças e de 19,9% entre adolescentes. Freqüências de excesso de peso foram: crianças: 11% (OMS, 1995) e 5,7% (OMS, 2006); adolescentes: 6,7%; adultos: 79,2%. Entre adultos, 45,3% estavam em risco aumentado para doenças metabólicas. Observada a transição nutricional no segmento, caracterizada por prevalências importantes de baixa estatura na infância e adolescência e sobrepeso proeminente em todas as faixas etárias.

Perfil nutricional e fatores associados à ocorrência de desnutrição entre crianças indígenas Kaingáng da Terra Indígena de Mangueirinha, Paraná, Brasil

Este estudo objetivou avaliar o estado nutricional de crianças indígenas e verificar os fatores associados à ocorrência de agravos nutricionais. Foram avaliadas 141 crianças Kaingáng de 0 a 60 meses de idade da Terra Indígena de Mangueirinha, Paraná, Brasil, por meio das medidas de peso e altura ou comprimento. Realizaram-se entrevistas com a aplicação de um questionário sobre condições materno-infantis e sócioeconômicas. Segundo os parâmetros da Organização Mundial da Saúde (2006), 24,8% das crianças apresentavam déficit de altura para idade (AI), 9,2% baixo peso para idade (PI), 2,1% baixo peso para altura (PA) e 2,1% baixo peso segundo o índice de massa corporal para idade (IMCI). De acordo com o NCHS (1977), 19,9% das crianças apresentaram baixa AI, 9,2% baixo PI e 1,4% baixo PA. O sobrepeso chegou a 6,4%, segundo o IMCI. O baixo peso ao nascer e os materiais utilizados na construção das paredes das casas estiveram estatisticamente associados com déficits antropométricos. Este estudo mostra que as crianças Kaingáng estão inseridas em um contexto marcado por precárias condições de vida, que estão associadas com indicadores desfavoráveis do estado nutricional.

CEA. Sazonalidade e estado nutricional de populações indígenas: o caso Wari', Rondônia, Brasil

A despeito da relevância do tema, as condições de alimentação e nutrição das populações indígenas no Brasil permanecem largamente desconhecidas. O presente estudo examina o caso de uma comunidade Wari', povo indígena localizado em Rondônia, no sudoeste amazônico. Foram realizados dois inquéritos antropométricos de modo a investigar a situação nutricional da população e analisar variações sazonais. Nos inquéritos, seis meses aparte, foram examinados 279 e 266 indivíduos com idades entre zero e 87 anos. As prevalências de baixa estatura (61,7%) e peso (51,7%) entre as crianças menores de cinco anos estão entre as mais elevadas já registradas na literatura sobre populações indígenas no Brasil. Sobrepeso e obesidade não são expressivos na população, seja qual for a faixa etária considerada. Os perfis antropométricos indicam condições mais desfavoráveis durante os meses de chuva, quando as prevalências de desnutrição em crianças aumentam e adultos de ambos os sexos apresentam menores médias de peso corporal. Aponta-se para a necessidade de se considerar a sazonalidade na definição de rotinas de vigilância nutricional e na discussão dos perfis de nutrição de povos indígenas.

Segurança alimentar em famílias indígenas Teréna, Mato Grosso do Sul, Brasil

O presente estudo buscou descrever a situação de segurança alimentar vivenciada por famílias Teréna, das aldeias Água Azul, Olho D'Água e Oliveiras, Mato Grosso do Sul, Brasil. Foi utilizada a Escala Brasileira de Insegurança Alimentar adaptada, com 15 questões que refletem a insegurança alimentar em diferentes níveis de intensidade. Foram investigadas 49 famílias que continham em seu núcleo crianças menores de sessenta meses e obtidas informações sobre renda, densidade familiar, escolaridade materna e consumo alimentar das crianças. A prevalência de famílias com algum grau de insegurança alimentar observada foi 75,5%, 22,4% das famílias com insegurança leve, 32,7% moderada e 20,4% grave. Grande parte das famílias (67,3%) convive com o medo de ficar sem alimentos. Um quarto das mulheres entrevistadas afirmou ter passado por situações de fome no mês anterior à entrevista e 14,3% (7) apontaram que o mesmo ocorreu com as crianças da casa. Situações mais graves de insegurança alimentar foram observadas em famílias com menor renda mensal per capita, menor escolaridade materna, maior densidade domiciliar, maior número de filhos por grupo familiar e cuja dieta das crianças era insuficiente, sobretudo em proteínas e ferro.

Estado nutricional e fatores associados à estatura de crianças da Terra Indígena Guarita, Sul do Brasil

O estado nutricional de crianças menores de cinco anos e fatores associados à estatura foram estudados usando dados de um programa para controle da desnutrição e mortalidade na Terra Indígena Guarita, Rio Grande do Sul, Brasil, 2001/2002. Índices antropométricos foram calculados em escores-z da referência CDC/2000. Na primeira avaliação pelo programa, 34,7%, das crianças apresentavam baixa estatura, 12,9% baixo peso para idade, 4,2% baixo peso para estatura e 8,7% sobrepeso. Baixa estatura foi mais prevalente em meninos e maiores de um ano. Modelos de regressão linear múltipla sugerem que a altura foi, em média, menor quando a água para alimentação era de fonte/poço/rio (p = 0,046), não havia geladeira para conservar alimentos (p = 0,021), a mãe era menor de 16 anos ao nascimento do mais velho entre os filhos menores de cinco anos (p = 0,019) e analfabeta (p = 0,083). O destino dos dejetos evidenciou efeito apenas no modelo bruto. Não houve evidência de efeito do número de filhos menores de cinco anos. Políticas de inclusão social e provisão de recursos sociais e de saúde são potencialmente relevantes para a saúde e nutrição nessa população.

Saúde materno-infantil e nutrição de crianças Kaiowá e Guaraní, Área Indígena de Caarapó, Mato Grosso do Sul, Brasil

Este trabalho teve como proposta estudar o estado nutricional de crianças indígenas e conhecer condições de saúde materno-infantil. Trata-se de um estudo transversal, com uma amostra de 137 crianças de zero a 59 meses de idade, das comunidades Kaiowá e Guaraní, Área Indígena de Caarapó, Mato Grosso do Sul, Brasil. Foram realizadas entrevistas com a aplicação de um questionário sobre as condições de saúde materno-infantil. A avaliação nutricional foi obtida por meio de medidas antropométricas (peso e estatura). Verificou-se que 19,7% das mães não realizaram o pré-natal e 53,3% tiveram parto domiciliar. A ocorrência de desnutrição para o índice peso/idade foi de 18,2% e para o índice altura/idade foi de 34,1%. A proporção de crianças desnutridas quando separadas por sexo, faixa etária e escolaridade materna não apresentou diferença estatisticamente significante para ambos os índices. Este estudo evidenciou elevada ocorrência de desnutrição infantil e uma preocupante situação de saúde materno-infantil.