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    Item type:Publicación,
    Nutrition and education. II. Educational achievement and nutrient intake of Chilean elementary and high school graduates.
    (1991-12-01)
    Daniza Ivanovic
    ;
    ;
    Macarena Marambio
    ;
    D Ballester
    ;
    Isabel Zacarías
    The interrelationships between educational achievement (EA) and nutrient intake were investigated in 550 Chilean adolescent schoolers graduating from elementary and high school. The random sample included schoolers from both educational levels (1:1), from public and private schools (1:1), and from high, medium, and low socioeconomic status (SES) (1:1:1). Standard procedures for 24-hour dietary recall interviews were used to collect data, and adequacy of intake was assessed by the FAO/WHO Pattern. EA was measured by means of the Achievement Evaluation Program (AEP) and Academic Aptitude Test (AAT) in elementary and high school, respectively. In elementary school graduates, results showed a significant and positive correlation between EA (AEP) and energy, protein, riboflavin, ascorbic acid, calcium and vitamin A intake (Multiple r = 0.456 p less than 0.01; r2 = 0.208). The School Feeding Program beneficiaries who belonged to the low SES presented the lowest EA (AEP) together with a deficient nutrient intake, especially for energy, riboflavin, niacin, vitamin A and calcium, at the same time that they registered the lowest values for those anthropometric parameters, indicators of past nutrition, that is to say height-for-age, weight-for-age, head circumference-for-age and a higher upper-to-lower segment ratio, as compared with non-beneficiaries from the same SES and with those from the higher strata. In high-school graduates, EA (AAT) was found to be significantly and positively correlated with protein, calcium, riboflavin and iron intake (Multiple r = 0.438 p less than 0.001; r2 = 0.192). Nevertheless, these interrelationship are strongly related to SES and sex. Results showed that educational achievement (EA) is significantly and positively associated with nutrient intake, this fact being important for educational planning related to the School Feeding Program.
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    Item type:Publicación,
    Estado nutricional y rendimiento académico en escolares de 7 a 14 años de la Institución Educativa Mi Jesús, Lurigancho, Lima
    (2019-08-05)
    Jacksaint Saintila
    ;
    
 Objetivo: Determinar la relación entre el estado nutricional y rendimiento académico en escolares de 7 a 14 años de la “Institución Educativa Mi Jesús”, La Era-Lima, 2016. Materiales y métodos: De enfoque cuantitativo, decorte transversal, de diseño no experimental y de tipo descriptiva-correlacional. La población estuvo conformada por 80 escolares de 1º a 6º grado de primaria y de 1º a 2º grado de secundaria. Las mediciones antropométricasque se realizaron para determinar el estado nutricional fueron: el peso (kg), la talla (cm), edad (años), Índice de Masa Corporal (IMC) y talla para la edad (T/E). Para evaluar la ingesta proteica y de minerales se aplicó uncuestionario de recordatorio de 24 horas. Para evaluar el rendimiento académico se utilizó el boletín académico de todo el año escolar. Resultados: Se evidenció que el 53% de los estudiantes presentaron un Índice de Masa Corporal dentro de lo normal, el 61.3% presentó una talla adecuada para la edad. También, el 70% ha alcanzado un rendimiento adecuado (entre logro destacado y logro previsto). Finalmente, se encontró que el 56.3% tiene una ingesta normal de proteína; referente a la ingesta de hierro, del sexo femenino, 18 presentan una ingestanormal en un 58.1% y solamente 8 presentan una ingesta alta en un 25.5%; asimismo, del sexo masculino, se observó que 25 presentan ingesta normal en un 51% y 12 tienen una ingesta alta en un 24.5% y el 53.8% presentauna ingesta normal de zinc. Conclusión: Existe relación estadísticamente significativa entre el estado nutricional y rendimiento académico (p<.05).
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    Item type:Publicación,
    [Food habits of high school graduates in the metropolitan area of Santiago, Chile].
    (1986-06-01)
    Isabel Zacarías
    ;
    M Aguayo
    ;
    ;
    D Ballester
    ;
    Daniza Ivanovic
    The purpose of this study was to determine the food habits of Chilean high-school graduates, and measure the effect that socioeconomic level (SEL), type of school (public and private school), sex and age exerts on those habits. A random and stratified sample of 283 schoolers, according to type of school, sex and SEL, measured through the Graffar Modified Scale was selected for the study. Food habits were defined by the frequency of consumption of food, expressed as days per week and were compared with the Model Allowance established by the Ministry of Health of Chile. A food habits questionnaire was administered to students by duly trained interviewers, and were defined by the frequency of consumption of food groups. Data were analyzed by the chi-square procedure, analysis of variance and Student's "t" test. In accordance with the results, the most consumed foods (over 90% of students) were meat, poultry, eggs, potatoes, apples, bread, rice, oil and butter or margarine. On the other hand, the most disliked foods (40% and more of students) were fresh cheese, viscera, radish and chickpeas. The high SEL students showed a significantly greater frequency of consumption of dairy products, and of meat products and eggs (p less than 0.001). No differences were found according to type of school, sex and age of students. We conclude, therefore, that SEL exerts a significant effect on food habits, in spite of which they were adequate according to the Model Allowance.
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    Observation of Medium-Induced Yield Enhancement and Acoplanarity Broadening of Low-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>p</mml:mi><mml:mi mathvariant="normal">T</mml:mi></mml:msub></mml:math> Jets from Measurements in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> and Central Pb-Pb Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
    (2024-07-09)
    ;
    D. Adamová
    ;
    G. Aglieri Rinella
    ;
    M. Agnello
    ;
    N. Agrawal
    The ALICE Collaboration reports the measurement of semi-inclusive distributions of charged-particle jets recoiling from a high transverse momentum (high p_{T}) hadron trigger in proton-proton and central Pb-Pb collisions at sqrt[s_{NN}]=5.02 TeV. A data-driven statistical method is used to mitigate the large uncorrelated background in central Pb-Pb collisions. Recoil jet distributions are reported for jet resolution parameter R=0.2, 0.4, and 0.5 in the range 7<p_{T,jet}<140 GeV/c and trigger-recoil jet azimuthal separation π/2<Δφ<π. The measurements exhibit a marked medium-induced jet yield enhancement at low p_{T} and at large azimuthal deviation from Δφ∼π. The enhancement is characterized by its dependence on Δφ, which has a slope that differs from zero by 4.7σ. Comparisons to model calculations incorporating different formulations of jet quenching are reported. These comparisons indicate that the observed yield enhancement arises from the response of the QGP medium to jet propagation.
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    Parkinson's Disease Gene Screening in Familial Cases from Central and South America
    (2024-07-25)
    ;
    Seysha Mehta
    ;
    Janvi Ramchandra
    ;
    Sekinat Mumuney
    ;
    Artur Francisco Schumacher Schuh
    BACKGROUND: Parkinson's disease (PD) is the second most common neurodegenerative disease following Alzheimer's disease. Nearly 30 causative genes have been identified for PD and related disorders. However, most of these genes were identified in European-derived families, and little is known about their role in Latin American populations. OBJECTIVES: Our goal was to assess the spectrum and frequency of pathogenic variants in known PD genes in familial PD patients from Latin America. METHODS: We selected 335 PD patients with a family history of PD from the Latin American Research Consortium on the Genetics of PD. We capture-sequenced the coding regions of 26 genes related to neurodegenerative parkinsonism. Of the 335 PD patients, 324 had sufficient sequencing coverage to be analyzed. RESULTS: We identified pathogenic variants in 41 individuals (12.7%) in FBXO7, GCH1, LRRK2, PARK7, PINK1, PLA2G6, PRKN, SNCA, and TARDBP, GBA1 risk variants in 25 individuals (7.7%), and variants of uncertain significance in another 24 individuals (7.4%) in ATP13A2, ATP1A3, DNAJC13, DNAJC6, GBA1, LRKK2, PINK1, VPS13C, and VPS35. Of the 70 unique variants identified, 19 were more frequent in Latin Americans than in any other population. CONCLUSIONS: This is the first screening of known PD genes in a large cohort of patients with familial PD from Latin America. There were substantial differences in the spectrum of variants observed in comparison to previous findings from PD families of European origin. Our data provide further evidence that differences exist between the genetic architecture of PD in Latinos and European-derived populations. © 2024 The Author(s). Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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    Diet and Lifestyle Changes During the COVID-19 Pandemic in Ibero-American Countries: Argentina, Brazil, Mexico, Peru, and Spain
    (2021-06-02)
    Oscar Geovanny Enríquez Martínez
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    Márcia Cristina Teixeira Martins
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    Taísa Sabrina Silva Pereira
    ;
    Sandaly O. S. Pacheco
    ;
    Fabio J. Pacheco
    = 1,183). Data were collected during the year 2020, between April 01 and June 30 in Spain and between July 13 and September 26, in the other countries studied using a self-administered online survey designed for the assessment of sociodemographic, employment, physical activity, health status, and dietary habits changes. Most participants (61.6%), mainly those from Spain, remained constant, without improving or worsening their pattern of food consumption. Among those who changed, a pattern of better eating choices prevailed (22.7%) in comparison with those who changed toward less healthy choices (15.7%). Argentina and Brazil showed the highest proportion of changes toward a healthier pattern of food consumption. Peruvians and Mexicans were less likely to make healthy changes in food consumption (OR: 0.51; 95% CI: 0.4-0.6 and OR: 0.69; 95% CI: 0.4-0.8, respectively), when compared to Argentinians. Most respondents did not change their pattern of meal consumption, but those who did reduced their consumption of main meals and increased intake of small meals and snacks. Although most participants affirmed to be doing physical activity at home, about one-half reported perception of weight gain. Individuals with alterations in sleep pattern (either by increasing or decreasing sleep time) were more likely to change their diets to a healthier pattern. In contrast, individuals with confirmed diagnosis of COVID-19 and those who reported feeling anxious were more likely to perform changes to a less healthy eating pattern (OR: 1.72; 95% CI: 1.2-2.3 and OR: 1.21; 95% CI: 1.1-1.4, respectively). In conclusion, although most participants remained constant in their eating habits, lifestyle changes and anxiety feelings were reported. Among those who changed patterns of food consumption, healthier choices prevailed, with differences between countries. However, there were alterations in the distribution of meals, with higher consumption of snacks and small meals. These results can be used to guide policies to prevent deleterious consequences that may affect the incidence of chronic diseases.
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    Item type:Publicación,
    Estado nutricional y rendimiento académico en escolares de 7 a 14 años de la Institución Educativa Mi Jesús, Lurigancho, Lima
    (2017-04-11)
    Jacksaint Saintila
    ;
    Objetivo: Determinar la relación entre el estado nutricional y rendimiento académico en escolares de 7 a 14 años de la “Institución Educativa Mi Jesús”, La Era-Lima, 2016. Materiales y métodos: De enfoque cuantitativo, decorte transversal, de diseño no experimental y de tipo descriptiva-correlacional. La población estuvo conformada por 80 escolares de 1º a 6º grado de primaria y de 1º a 2º grado de secundaria. Las mediciones antropométricasque se realizaron para determinar el estado nutricional fueron: el peso (kg), la talla (cm), edad (años), Índice de Masa Corporal (IMC) y talla para la edad (T/E). Para evaluar la ingesta proteica y de minerales se aplicó uncuestionario de recordatorio de 24 horas. Para evaluar el rendimiento académico se utilizó el boletín académico de todo el año escolar. Resultados: Se evidenció que el 53% de los estudiantes presentaron un Índice de Masa Corporal dentro de lo normal, el 61.3% presentó una talla adecuada para la edad. También, el 70% ha alcanzado un rendimiento adecuado (entre logro destacado y logro previsto). Finalmente, se encontró que el 56.3% tiene una ingesta normal de proteína; referente a la ingesta de hierro, del sexo femenino, 18 presentan una ingestanormal en un 58.1% y solamente 8 presentan una ingesta alta en un 25.5%; asimismo, del sexo masculino, se observó que 25 presentan ingesta normal en un 51% y 12 tienen una ingesta alta en un 24.5% y el 53.8% presentauna ingesta normal de zinc. Conclusión: Existe relación estadísticamente significativa entre el estado nutricional y rendimiento académico (p&lt;.05).
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    Relación del nivel de hidratación y la pérdida de masa grasa en personas que realizan actividad física en gimnasios de la Urbanización Alameda de Ñaña, Lurigancho Chosica, Lima 2013
    (2018-07-09)
    Elisban Vicente Centón Quispe
    ;
    Elí Pedro Pérez Fernández
    ;
    Objetivo : Determinar la relacion entre el nivel de hidratacion y la perdida de grasa en personas que realizan actividad fisica en gimnasios de la urbanizacion La Alameda de Nana, Lima. Material y Metodos: Estudio descriptivo, tipo correlacional, de diseno no experimental se utilizaron equipos antropometricos como tallimetro, balanza, cinta metrica, impedanciometro y caliper estandarizados por el Centro Nacional de Alimentacion y Nutricion (CENAN), al igual que la tabla de escala de colores Armstrong para determinar el nivel de deshidratacion. La muestra fue de 80 participantes. Resultados: En los resultados referidos al nivel de hidratacion ocurrio en 1.25%, 85% y el 13.8% de DHT respectivamente. Ademas, todos los participantes redujeron su porcentaje de masa grasa. Sin embargo, se observo que en las dos primeras semanas de evaluacion hubo una influencia significativa, pero en las dos restantes no hubo influencia. Conclusiones: Existe correlacion significativa entre ambas variables, asimismo, existen otras variables que influyen en la perdida de masa grasa como la alimentacion, intensidad, tiempo, tipo de ejercicio, genero y diferentes tipos de metabolismo.
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    Performance of cervical cytology and HPV testing for primary cervical cancer screening in Latin America: an analysis within the ESTAMPA study
    (2023-09-20)
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    Joan Valls
    ;
    Armando Baena
    ;
    Freddy David Rojas
    ;
    Katherine Ramírez
    Background: Cervical cytology remains widely used as the initial tool in cervical cancer screening worldwide. WHO guidelines recommend replacing cytology with primary HPV testing to reach cervical cancer elimination goals. We assessed the performance of cytology and high-risk HPV testing to detect cervical precancer, cervical intraepithelial neoplasia (CIN) grade 3 or worse (CIN3+) among women aged 30-64 years participating in the ESTAMPA study. Methods: Women were screened with cytology and HPV across ESTAMPA study centres in Latin America. Screen-positives were referred to colposcopy with biopsy collection and treatment as needed. Those with no evident precancer were recalled at 18-months for a second HPV test to complete disease ascertainment. Performance indicators for cytology and HPV to detect CIN3+ were estimated. Findings: 30,606 participants with available cytology and HPV results were included in the analysis. A total of 440 histologically confirmed CIN3s and 30 cancers were diagnosed. Cytology sensitivity for CIN3+ was 48.5% (95% CI: 44.0-53.0), whereas HPV testing had a sensitivity of 98.1% (95% CI: 96.3-96.7). Specificity was 96.5% (95% CI: 96.3-96.7) using cytology and 88.7% (95% CI: 88.3-89.0) with HPV. Performance estimates varied substantially by study centre for cytology (ranging from 32.1% to 87.5% for sensitivity and from 89.2% to 99.5% for specificity) while for HPV results were more consistent across sites (96.7%-100% and 83.6-90.8%, respectively). Interpretation: The limited and highly variable sensitivity of cytology strongly supports transition to the more robust and reproducible HPV-based cervical screening to ensure progress towards global cervical cancer elimination targets in Latin America. Funding: IARC/WHO, UNDP, HRP/WHO, NCI and local funders.
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    Relationships Between Consumption of High-Saturated-Fat Foods, Sleep Duration, BMI, Depression, Age and Sex, and Emotional Eating in Peruvian Adolescents: A Cross-Sectional Study
    (2025-08-18)
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    Ingrid Puente De La Vega-Fernández
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    David Javier-Aliaga
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    ;
    Christian Casas-Gálvez
    Background: Emotional eating, defined as the tendency to eat in response to emotions, has been associated with various biopsychosocial factors. However, in the Peruvian context, there is limited evidence regarding the specific predictors of this eating behavior in adolescents. Objective: To examine the associations between saturated fat intake, sleep duration, body mass index (BMI), depressive symptoms, age and sex, and emotional eating in Peruvian adolescents. Methods: This was a predictive cross-sectional study based on non-probabilistic sampling. A total of 722 adolescents from four schools located in East Lima were included. A multiple linear regression model was employed to examine the relationships between age, sex, saturated fat intake (SFI), sleep duration, BMI, and depressive symptoms and emotional eating. Results: The model was statistically significant (adjusted R2 = 0.301; F = 45.276; p &lt; 0.001), explaining 30.1% of the variance in emotional eating based on the explanatory variables. Being female (β = 0.208; p = 0.011), aged 15 to 18 versus 12 to 14 years (β = 0.083; p &lt; 0.001), having a high SFI (β = 0.186; p &lt; 0.001), sleeping ≥ 7 h (β = −0.126; p &lt; 0.001), and a higher BMI (β = −0.082; p = 0.011) were significantly associated with emotional eating. Depressive symptoms (β = 0.365; p &lt; 0.001) emerged as the strongest predictor in the model. Conclusions: Emotional eating among Peruvian adolescents is associated with psychological, behavioral, and sociodemographic factors. Depressive symptoms showed the strongest association, while longer sleep duration was linked to lower emotional eating scores. These findings highlight the need for integrated interventions targeting mental health, sleep hygiene, and healthy dietary behaviors in adolescents.