93 research outputs found
Ergonomic problems regarding the interactive touch input via screens in onboard and ground-based flight control
A significant problem concerning the integration of display and switching functions is related to the fact that numerous informative data which have to be processed by man must be read from only a few display devices. A satisfactory ergonomic design of integrated display devices and keyboards is in many cases difficult, because not all functions which can be displayed and selected are simultaneously available. A technical solution which provides an integration of display and functional elements on the basis of the highest flexibility is obtained by using a cathode ray tube with a touch-sensitive screen. The employment of an integrated data input/output system is demonstrated for the cases of onboard and ground-based flight control. Ergonomic studies conducted to investigate the suitability of an employment of touch-sensitive screens are also discussed
Proposta de novo sistema de alerta para doenças do cafeeiro.
Neste trabalho será exibido um resumo da proposta a ser apresentada, expondo o objetivo do projeto do novo sistema e as ferramentas indicadas para seu desenvolvimento
Implementação de substituição de modelos dentro do sistema de alerta da ferrugem do cafeeiro.
Co-detection of members of the urokinase plasminogen activator system in tumour tissue and serum correlates with a poor prognosis for soft-tissue sarcoma patients
Determinantes de saúde em crianças dos 3 aos 10 anos
RESUMO 1: Introdução: Os estilos de vida atuais sugerem comportamentos de risco que estĂŁo na base do perfil de saĂşde do paĂs.
Objetivo: Avaliar os estilos de vida e sua associação com dados sociodemográficos numa amostra de crianças portuguesas dos 3 aos 10 anos de idade.
Participantes e mĂ©todos: Estudo transversal de natureza quantitativa num universo de 1617 crianças dos jardins de infância e escolas do 1.Âş ciclo dos dois agrupamentos de escolas de Tondela e do agrupamento de escolas de Vouzela. A amostra do estudo foi constituĂda por um total de 1385 crianças.
A análise estatĂstica dos dados foi efetuada com recurso ao software estatĂstico IBM SPSS versĂŁo 21.0. A comparação de proporções foi realizada atravĂ©s do teste Qui-quadrado, onde as prevalĂŞncias foram expressas em proporções, com base no nĂvel de significância de p=0,05, com intervalos de confiança de 95%.
Resultados: Constatou-se que as crianças com mais idade apresentavam uma menor adesĂŁo a comportamentos alimentares saudáveis, uma maior prevalĂŞncia de atividade fĂsica (49,2%), no entanto, foram, tambĂ©m aquelas que apresentaram um maior Ăndice de atividades sedentárias (27,1%). Os rapazes apresentaram maiores nĂveis de atividade fĂsica (51,6%) e Ăndices mais elevados de comportamentos sedentários (28,6%). Relativamente Ă zona de residĂŞncia, existiu uma maior prevalĂŞncia de consumo de legumes (73,2%) e fastfood (24,0%) e de comportamentos sedentários (26,1%) em zonas urbanas. As crianças que pertenciam a agregados familares de rendimentos mais favoráveis e com maior nĂvel de habilitações literárias consumiam mais leite e derivados, legumes e praticavam mais atividade fĂsica. No entanto, apresentaram maior prevalĂŞncia de consumo de fastfood e comportamentos sedentários.
Conclusões:Torna-se perceptĂvel a necessidade de se intervir nos grupos mais vulneráveis no sentido de uma mais eficaz equidade em saĂşde.
Palavras-chave: Crianças; estilos de vida; dados sociodemográficos; escolas.ABSTRACT 1:
Introduction: The current lifestyles suggests risk behaviors that are the basis of a country's health profile.
Objective: Assess the lifestyles and its association with sociodemographic variables among a sample of Portuguese children from 3 to 10 years old.
Participants and methods: A Cross-sectional study was desgined with a total of 1617 children from public schools, from the two main school groups of Tondela and Vouzela. The final study sample was built with a total of 1385 children.
Statistical analysis was performed using the IBM SPSS software version 21.0 for Windows. Comparison of proportions was performed using the “Chi-square” test, where prevalences were expressed as proportions, based on the significance level of p = 0.05, with a 95% confidence intervals.
Results: It was found that the older children had a lower adherence to healthy eating habits and a higher prevalence of physical activity (49.2%). However, there were also those with higher rate of sedentary activities (27.1%). The boys had higher levels of physical activity (51.6%) and higher rates of sedentary behaviors (28.6%). With regard to residence area, there was a higher prevalence of consumption of vegetables (73.2%), fastfood (24.0%) and sedentary behaviors (26.1%) in urban areas. Children belonging to households of more favorable monthly earnings and a higher level of educational qualifications consumed more dairy product, vegetables and practiced more physical activity. However, they had a higher prevalence of fastfood consumption and sedentary behaviors.
Conclusions: It becomes noticeable the need to make an intervention on the most vulnerable groups to obtain more effective health equity.
Keywords: Children; lifestyles; sociodemographic data; schools.RESUMO 2: Introdução: As iniquidades de género na distribuição de recursos estão ainda profundamente associadas à saúde precária e à diminuição do bem-estar das mulheres e das crianças.
Objetivo: Analisar a influência dos fatores materno-fetais nos estilos de vida numa amostra de crianças portuguesas dos 3 aos 10 anos de idade
Participantes e mĂ©todos: Estudo transversal de natureza quantitativa num universo de 1617 crianças dos jardins de infância e escolas do 1.Âş ciclo dos dois agrupamentos de escolas de Tondela e do agrupamento de escolas de Vouzela. A amostra do estudo foi constituĂda por um total de 1385 crianças.
A análise estatĂstica dos dados foi efetuada com recurso ao software estatĂstico IBM SPSS versĂŁo 21.0. A comparação de proporções foi realizada atravĂ©s do teste Qui-quadrado, onde as prevalĂŞncias foram expressas em proporções, com base no nĂvel de significância de p=0,05, com intervalos de confiança de 95%.
Resultados: As crianças que habitam em meio rural apresentavam um peso à nascença superior comparativamente às do meio urbano (93,7%). As grávidas com mais idade obtiveram uma prevalência de antecipação da primeira consulta de gravidez mais elevada (96,5%) assim como uma prevalência mais elevada de consultas de vigilância durante a gravidez (97,2%) quando comparadas com as grávidas mais novas. As mães com habilitações literárias superiores ao 9.º ano de escolaridade apresentavam uma prevalência de amamentação superior (58,0%) e os seus filhos uma prevalência de consumo de fastfood superior (64,9%) quando comparadas com as mães com habilitações literárias inferiores.
Conclusões: Denota-se a importância da maturidade, formação e capacitação das mães para os cuidados maternos e neonatais.
Palavras-chave: crianças; estilos de vida; fatores materno-fetais.ABSTRACT 2:
Introduction: Gender inequalities in the distribution of resources is still deeply associated with poor health and reduced welfare of women and children.
Objective: To analyze the influence of maternal and fetal factors in lifestyles of children, in a sample of children from 3 to 10 years old.
Participants and methods: A Cross-sectional study was desgined with a total of 1617 children from public schools, from the two main school groups of Tondela and Vouzela. The final study sample was built with a total of 1385 children.
Statistical analysis was performed using the IBM SPSS software version 21.0 for Windows. Comparison of proportions was performed using the “Chi-square” test, where prevalences were expressed as proportions, based on the significance level of p = 0.05, with a 95% confidence intervals.
Results: Children who live in rural areas presented a higher birth weight compared to those who live in urban areas (93.7%). Older pregnant women obtained a higher prevalence of the first medical appointment antecipation (96.5%) as well as a higher prevalence of medical appointments during pregnancy (97.2%) when compared with younger pregnant women. Mothers with qualifications higher than the 9th grade showed a higher prevalence of breastfeeding (58.0%) and their children presented a higher prevalence of fastfood consumption (64.9%) when compared with mothers with lower educational qualifications.
Conclusion: To denote the importance of maturity and training of mothers in maternal and neonatal care.
Keywords: children; lifestyles; maternal fetal factors
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Postnatal exposure to ambient air pollutants is associated with the composition of the infant gut microbiota at 6-months of age
Epidemiological studies in adults have shown that exposure to ambient air pollution (AAP) is associated with the composition of the adult gut microbiome, but these relationships have not been examined in infancy. We aimed to determine if 6-month postnatal AAP exposure was associated with the infant gut microbiota at 6 months of age in a cohort of Latino mother-infant dyads from the Southern California Mother’s Milk Study (n = 103). We estimated particulate matter (PM2.5 and PM10) and nitrogen dioxide (NO2) exposure from birth to 6-months based on residential address histories. We characterized the infant gut microbiota using 16S rRNA amplicon sequencing at 6-months of age. At 6-months, the gut microbiota was dominated by the phyla Bacteroidetes, Firmicutes, Proteobacteria, and Actinobacteria. Our results show that, after adjusting for important confounders, postnatal AAP exposure was associated with the composition of the gut microbiota. As an example, PM10 exposure was positively associated with Dialister, Dorea, Acinetobacter, and Campylobacter while PM2.5 was positively associated with Actinomyces. Further, exposure to PM10 and PM2.5 was inversely associated with Alistipes and NO2 exposure was positively associated with Actinomyces, Enterococcus, Clostridium, and Eubacterium. Several of these taxa have previously been linked with systemic inflammation, including the genera Dialister and Dorea. This study provides the first evidence of significant associations between exposure to AAP and the composition of the infant gut microbiota, which may have important implications for future infant health and development.
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Expression of human Piwi-likegenes is associated with prognosis for soft tissue sarcoma patients
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