Publications by authors named "Vollmer S"

Objective: The aim of this study is to analyze complementary feeding practices, to assess the extent to which minimum dietary diversity (MDD) recommendations are being met in the population studied and to study factors that influence the achievement of MDD.

Design: We pooled individual level data form the Demographic and Health Surveys (DHS) and Multi Indicator Cluster Surveys (MICS). We apply methods from poverty measurement to identify individual gaps towards achieving minimum dietary diversity (MDD).

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Introduction: Childhood obesity and physical inactivity rates in Mexico are among the highest in the world. While parenting is a key factor in shaping children's physical activity behavior, there is a lack of research in this area, particularly in Mexico.

Objective: This qualitative study aims to better understand aspects of parenting relevant to children's physical engagement, including what parents understand by physical activity, how engaged they are and how important they find it, that is, their physical literacy.

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We compare conversion rates of association football (soccer) penalties during regulation or extra time with those during shoot-outs. Our data consists of roughly 50,000 penalties from the eleven most recent seasons in European men's football competitions. About one third of the penalties are from more than 1,500 penalty shoot-outs.

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Emergency admissions (EA), where a patient requires urgent in-hospital care, are a major challenge for healthcare systems. The development of risk prediction models can partly alleviate this problem by supporting primary care interventions and public health planning. Here, we introduce SPARRAv4, a predictive score for EA risk that will be deployed nationwide in Scotland.

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Objective: To investigate the changing characteristics of SARS-CoV-2-related pediatric hospital admissions over time.

Study Design: This was a national, observational cohort study from July 1, 2020, to August 31, 2023, using English population-linked electronic health records. We identified 45 203 children younger than 18 years old in whom SARS-CoV-2 either caused or contributed to hospitalization, excluding those admitted with "incidental" infection.

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Coral diseases contribute to the rapid decline in coral reefs worldwide, and yet coral bacterial pathogens have proved difficult to identify because 16S rRNA gene surveys typically identify tens to hundreds of disease-associate bacteria as putative pathogens. An example is white band disease (WBD), which has killed up to 95% of the now-endangered Caribbean Acropora corals since 1979, yet the pathogen is still unknown. The 16S rRNA gene surveys have identified hundreds of WBD-associated bacterial amplicon sequencing variants (ASVs) from at least nine bacterial families with little consensus across studies.

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Survival prediction integrates patient-specific molecular information and clinical signatures to forecast the anticipated time of an event, such as recurrence, death, or disease progression. Survival prediction proves valuable in guiding treatment decisions, optimizing resource allocation, and interventions of precision medicine. The wide range of diseases, the existence of various variants within the same disease, and the reliance on available data necessitate disease-specific computational survival predictors.

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Objective: The relationship between depression, diabetes, and access to diabetes care is established in high-income countries (HICs) but not in middle-income countries (MICs), where contexts and health systems differ and may impact this relationship. In this study, we investigate access to diabetes care for individuals with and without depressive symptoms in MICs.

Research Design And Methods: We analyzed pooled data from nationally representative household surveys across Brazil, Chile, China, Indonesia, and Mexico.

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Background: Anemia has been suggested to be related with schooling outcomes in India. Less is known, however, about whether the observed relationship persists after accounting for all household-level factors which may confound the association between anemia and schooling.

Methods: Nationally representative data on adolescents aged 15-18 years with data on measured hemoglobin level and school attendance were extracted from India's National Family Health Surveys conducted between 2005 and 2021.

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Tumour-induced osteomalacia is caused by tumorous production of fibroblast growth factor 23 (FGF23) leading to urinary phosphate wasting, hypophosphataemia and decreased vitamin D activation. The resulting osteomalacia presents with muscle weakness and bone pain but progresses to multiple pathological fractures. Patients often remain undiagnosed for years with severe physical, psychological and economic ramifications.

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Betalains are coloring pigments produced in some families of the order Caryophyllales, where they replace anthocyanins as coloring pigments. While the betalain pathway itself is well studied, the tissue-specific regulation of the pathway remains mostly unknown. We enhance the high-quality Amaranthus hypochondriacus reference genome and produce a substantially more complete genome annotation, incorporating isoform details.

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Article Synopsis
  • - Individuals in low- and middle-income countries (LMICs) have a high prevalence of multiple cardiovascular disease (CVD) risk factors, particularly hypertension and diabetes, which were examined using data from 55 population-based surveys from 2009-2019.
  • - The study included nearly 119,000 non-pregnant adults aged 40-69, revealing that those with both hypertension and diabetes had higher awareness of their diagnosis (64.1%) compared to those with just one condition (47.4% for hypertension and 46.7% for diabetes).
  • - Despite higher awareness and treatment for those with concurrent conditions, only 7% of individuals effectively managed both hypertension and diabetes simultaneously, highlighting significant gaps
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Introduction: Psoriasis is a T-cell mediated autoimmune skin disease. is the main psoriasis-specific risk gene. Using a Vα3S1/Vβ13S1 T-cell receptor (TCR) from a lesional psoriatic CD8 T-cell clone we had discovered that, as an underlying pathomechanism, HLA-C*06:02 mediates an autoimmune response against melanocytes in psoriasis, and we had identified an epitope from ADAMTS-like protein 5 (ADAMTSL5) as a melanocyte autoantigen.

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Evidence on cardiovascular disease (CVD) risk factor prevalence among adults living below the World Bank's international line for extreme poverty (those with income <$1.90 per day) globally is sparse. Here we pooled individual-level data from 105 nationally representative household surveys across 78 countries, representing 85% of people living in extreme poverty globally, and sorted individuals by country-specific measures of household income or wealth to identify those in extreme poverty.

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Objective: This study aimed to compare clinical and sociodemographic risk factors for severe COVID-19, influenza and pneumonia, in people with diabetes.

Design: Population-based cohort study.

Setting: UK primary care records (Clinical Practice Research Datalink) linked to mortality and hospital records.

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Article Synopsis
  • The study investigates how improving hypertension care in low- and middle-income countries might affect different socioeconomic groups, particularly focusing on wealth quintiles.
  • Researchers simulated better diagnosis and treatment levels for hypertension and assessed the resulting changes in cardiovascular disease (CVD) risk across various wealth groups.
  • Results indicated that lower-income groups, especially in lower-middle-income countries, would experience the greatest health benefits, emphasizing that targeted improvements in hypertension management could help reduce health inequities.
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Incidence of road traffic collisions (RTCs), types of users involved, and healthcare requirement afterwards are essential information for efficient policy making. We analysed individual-level data from nationally representative surveys conducted in low- or middle-income countries (LMICs) between 2008-2019. We describe the weighted incidence of non-fatal RTC in the past 12 months, type of road user involved, and incidence of traffic injuries requiring medical attention.

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Diabetes is a leading cause of morbidity, mortality and cost of illness. Health behaviours, particularly those related to nutrition and physical activity, play a key role in the development of type 2 diabetes mellitus. Whereas behaviour change programmes (also known as lifestyle interventions or similar) have been found efficacious in controlled clinical trials, there remains controversy about whether targeting health behaviours at the individual level is an effective preventive strategy for type 2 diabetes mellitus and doubt among clinicians that lifestyle advice and counselling provided in the routine health system can achieve improvements in health.

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Importance: Economic growth may reduce childhood malnutrition through improvements of several contributing factors, but the empirical evidence is mixed. Identifying the most important factors that contribute to child malnutrition and their associations with economic growth can inform decision-making about targeted investments to improve children's health.

Objective: To assess the associations between economic growth and malnutrition, contributing factors and malnutrition, and economic growth and contributing factors of malnutrition in low- and middle-income countries (LMICs).

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We report an unusual case of a patient presenting with Cushing's syndrome caused by a phaeochromocytoma secreting adrenocorticotropic hormone (ACTH). The patient had a history of treatment-resistant hypertension, secondary amenorrhoea and tendency towards hypokalaemia. She had multiple signs of Cushing's syndrome, such as swelling, bruising, abdominal striae and proximal myopathy.

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We study the effect of the Safe Childbirth Checklist (SCC) - a tool developed by the WHO to improve the quality of delivery care - on a range of provider- and patient-level outcomes. We conducted a clustered pair-wise matched randomized controlled trial among 166 health providers in two districts of Pakistan. This included primary and secondary health facilities as well as non-facility based rural health workers.

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Coral species in the genus Acropora are key ecological components of coral reefs worldwide and represent the most diverse genus of scleractinian corals. While key species of Indo-Pacific Acropora have annotated genomes, no annotated genome has been published for either of the two species of Caribbean Acropora. Here we present the first fully annotated genome of the endangered Caribbean staghorn coral, Acropora cervicornis.

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Article Synopsis
  • White band disease (WBD) has severely affected Caribbean corals, leading to their classification as critically endangered species.
  • Researchers discovered that some corals have genetic traits that make them resistant to WBD through experiments and extensive genome analysis.
  • They identified specific genomic regions linked to disease resistance, suggesting that genetic screening could help find resistant coral varieties in the wild and in nurseries throughout the Caribbean.
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