Articles tagged with Observational Data
A study found that the number of US adults at high risk for vision loss increased significantly between 2002 and 2017. The estimated number rose to over 93 million in 2017, with a majority having diabetes or eye problems, highlighting the need for improved awareness of eye care.
A Columbia study published in Obstetrics & Gynecology found that patients using copper intrauterine devices (Cu IUDs) had a lower risk of high-grade cervical neoplasms compared to those using levonorgestrel-releasing intrauterine systems (LNG-IUS). The study analyzed data from over 10,000 patients and found the diagnosis rate of high-g...
Researchers identified the optimal gestation week for twin births associated with the lowest risk of perinatal death and special education needs. Twins born between 32-34 weeks had the best outcomes.
A new study has quantified the risk of physical and sexual violence faced by LGBTQ+ high school students in the US. The research found a significant association between sexual minority status and increased rates of violence, highlighting the need for targeted prevention strategies.
The study reveals that a small subset of providers account for disproportionately high amounts of opioids, with the top 1% prescribing nearly 1,000 times more than the middle 1%. Most providers generally prescribe safely below recommended thresholds.
The survey found that UK doctors working in emergency medicine and general practice are most at risk of exhaustion, stress, and compassion fatigue. Doctors scored lower than average for resilience, with 31.5% experiencing high levels of burnout.
The study examines changes in FDA approval processes and regulation of pharmaceuticals from 1983 to 2018, finding increased approvals of generic drugs and biologics. The number of expedited development programs expanded while the amount of evidence required for approvals decreased.
A team of meteorologists found no consistent evidence for decadal oscillatory signals in global surface temperature observations. The researchers suggest that any apparent oscillation may be due to external influences like greenhouse gas and aerosol emissions. The study has implications for decade-scale climate predictability.
A survey of over 700 young Irish doctors found widespread prescribing for personal use, with nearly two-thirds self-medicating. The study highlights the risks of this practice, including addiction and suicide, and calls for further education and inclusion in medical training.
A study by Jonathan Schultz et al. reveals how the medieval Catholic Church's marriage policies replaced extended kin networks with nuclear households, contributing to increased individualism and less conformity in Western populations. The researchers controlled for variables such as education and income to support their findings.
Researchers developed an AI framework that learns human design strategies through observation, enabling it to generate new designs without explicit goal information or bias. The AI performed better than humans on average, but its success came without the advantages humans have, such as specific goals and feedback.
Competitors' momentum can lower a player's chance of winning, especially when an opponent exhibits rising status. Players perceive more threat and commit errors like double faults when facing competitors with steady rank progress, suggesting that status momentum negatively impacts performance.
A nationwide study of over 38,400 participants found a link between using flavored tobacco products for the first time and subsequent continued use. The findings suggest that flavored tobacco products may pose a significant public health risk, particularly among young adults.
A study of Canadian women found that those with bulimia nervosa were at higher risk for long-term cardiovascular disease and death. The study, which followed participants for 12 years, also revealed a significant association between bulimia and increased mortality rates.
In a large-scale study of 8 small-scale societies and 14 industrialized countries, researchers found that men engaged in commercial labor worked approximately 55 hours per week compared to 45 hours per week for noncommercial labor. Women across all levels of commercialization averaged around 55 hours per week.
A large Norwegian study of nearly 160,000 women found a significant association between cumulative exposure to indoor tanning and the development of squamous cell carcinoma. The findings suggest that even short-term indoor tanning can increase cancer risk, emphasizing the importance of sun protection measures.
A study analyzing prescribing data from over 8,000 English general practitioners reveals substantial variation in the adoption of new prescribing guidance, with some practices changing much later than others. This variation can lead to avoidable health service costs and poorer patient care.
A study found that increasing vegetarian meal options led to a significant increase in sales, with diners who previously avoided vegetarian meals purchasing more after increased availability. The results suggest that expanding vegetarian options can reduce meat consumption and promote healthier eating habits.
A Japanese research team found that incorporating radiosonde data from Antarctica improves forecasting accuracy for severe cyclones. The study successfully predicted the central pressure, wind speed, and moisture transport of an extreme cyclonic event 2.5 days in advance.
A team of researchers has digitized and archived over 400,000 km of Antarctic ice-penetrating radar data to track changes in the ice sheet's thickness and englacial features over four decades. The study suggests that the Thwaites Eastern Ice Shelf thinned by 10-33% between 1978 and 2009.
Researchers found evidence of earlier Arctic sea-ice decline starting at the beginning of the 20th century using a new proxy from coralline algae. The study provides insight into past sea-ice variability and may help reduce uncertainties in ocean model simulations.
This observational study found that most donated kidneys (84%) were declined by transplant centers due to concerns over organ or donor quality. Patients who received a deceased donor kidney had significantly more offers (median of 17) than those who died on the waiting list (16) or were removed from the list (15).
A new machine learning method, MOML, simulates weather consultation to improve forecast accuracy by 27.91% compared to ECMWF model forecasts. The approach leverages observational data and both high- and low-frequency information for more accurate results.
Typhoon Krosa is quasi-stationary and intensifying due to favorable conditions like low wind shear and warm sea surface temperatures. The storm will continue to track northeastward before weakening over the next five days, maintaining typhoon strength.
This observational study found that coexisting psychiatric disorders significantly increase the risk of death in individuals with attention-deficit/hyperactivity disorder (ADHD). The study analyzed Swedish national register data and included nearly 87,000 people with ADHD.
New cases of tick-borne Lyme disease in the UK could reach 8,000 in 2019, according to researchers who analyzed anonymized medical data from over 8 million people. The study found that Scotland had the highest number of cases, with half occurring in the summer and more common among women and girls.
The analysis result shows high precision in retrieving column-averaged dry-air mole fractions of methane and carbon monoxide using the proxy method. The results depict higher concentrations in Southeast and South Asia, Central Africa, and the northern part of South America.
A study found that adolescents who non-medically used prescription opioids were more likely to develop a heroin use disorder. The study analyzed data from over 10,000 students and discovered a significant association between early opioid use and later heroin use.
A survey of UK parliamentarians found that they are more likely to have mental health issues, including depression and low self-worth, compared to the general public. The survey also revealed a lack of awareness about confidential support services, making it difficult for MPs to seek help.
Researchers used satellite imagery to gather detailed information on earthquakes, including location, size of surface deformation, and proximity to population centers. This data improved analysis of earthquake impact and led to more accurate estimates of fatalities and economic losses.
This special issue of Applications in Plant Sciences presents cutting-edge methods to study plant phenology, including automated scoring from herbaria collections and standardized ontology for data integration. These innovations enable large-scale datasets to be generated, addressing the urgent need to understand ecosystem responses to...
A new research finding published in Nature has located the source region for about half of the new CFC-11 emissions, which are attributed to an increase of around 7000 tons per year in trichlorofluromethane added to the atmosphere since 2013. This is primarily linked to new production from eastern China.
A team of scientists identified the tropical Pacific as a crucial factor in climate forecasting, with natural climatic fluctuations affecting future climate development. Better ocean data, particularly subsurface data, can improve predictions significantly.
A study analyzing vital registration, census, and survey data from 202 countries estimates sex ratio at birth for all countries between 1950 and 2017. The study reveals significant regional variations and findings a total of 23.1 million missing female births worldwide.
A recent study by ETH researchers suggests that anthropogenic climate change is causing simultaneous heatwaves across the Northern Hemisphere, affecting key agricultural regions and densely populated areas. The study found that such large-scale heatwaves first appeared in 2010 and have since become more frequent and widespread.
A study of 5,000 UK children found that exposure to genetic data and observable traits can predict the likelihood of being bullied. The research identified specific risk factors linked to bullying behavior in young people.
Research suggests that higher circulating SHBG levels are associated with a lower risk of asthma, particularly in women. The study found that higher SHBG levels were linked to around a 14% lower odds of asthma, although the exact mechanism is unclear.
A study of nearly 5,900 older women found that light physical activity, even just 5.6 hours per day, may reduce the risk of coronary heart disease and cardiovascular disease. The researchers suggest replacing sedentary behavior with light physical activity supports previous guidelines.
A large observational study of over 29,000 people found no significant association between dietary cholesterol and the risk of cardiovascular disease or death. Conversely, egg consumption was linked to a higher risk of CVD, suggesting that other factors may contribute to this association.
A study of 315,000 US adults found that maintaining physical activity from adolescence into later adulthood and increasing leisure-time activity in adulthood were associated with lower risk of dying. Adults who had been less active before age 40 also saw benefits when they increased their physical activity between ages 41-60.
A study of 2,400 Canadian children found that higher screen time at ages 2 and 3 was associated with poorer performance on developmental screening measures by age 5. The opposite association wasn't observed, suggesting potential drawbacks to excessive screen time in young children.
Physicists at the Princeton Plasma Physics Laboratory have directly observed a possible process that can trigger damaging ELMs in tokamak devices. The findings reveal correlations between fluctuations in plasma density and magnetic field fluctuations, which could lead to a new method for triggering ELMs.
A team of researchers found that vertical land motion is the primary factor behind variations in relative sea level rates along the US East Coast. The study, published in Nature, reveals that land motion explains 75% of the observed variation, with ongoing effects from the last ice age being the largest contributor.
Cameron R. Homeyer, a University of Oklahoma meteorologist, will lead a $30 million NASA-funded project to investigate the impact of summer storms on the stratosphere's chemistry. The five-year project aims to understand how these storms affect ozone depletion and the potential for increased water in the stratosphere.
Researchers from China used Fengyun-3A satellite data to develop a more accurate model for predicting aerosol mass. The team's method improved the accuracy of climate predictions by combining satellite observations with ground-based data.
A new ocean mixed layer model reproduces a more realistic sea surface temperature (SST) diurnal cycle than existing models. The 31-year global diurnal sea surface temperature dataset reveals significant seasonal and interannual variations of SST, with potential implications for ENSO prediction.
Researchers have developed a new method to identify outliers in air quality monitoring data, which can automatically flag erroneous data and improve forecasting accuracy. The method uses probability of residuals to discriminate outliers, allowing for simultaneous evaluation of spatial and temporal consistencies.
A global analysis by Columbia Engineers reveals a significant increase in storm runoff extremes driven by both climate change and human-induced changes. The study suggests that projected responses of storm runoff extremes will dramatically increase, threatening ecosystem resilience and infrastructure systems.
Typhoon Kong-rey is moving northwest and intensifying steadily, peaking at 135 knots before weakening. The storm will eventually veer into the Yellow Sea after three days.
A new study reveals women are two and a half times less likely to ask a question in departmental seminars compared to men. Despite an equal gender ratio, women's self-reported feelings towards speaking up differ significantly from those of men.
Adding Arctic weather observations can help predict tropical cyclones' tracks and intensity more accurately, reducing extreme weather event risks. The study used radiosonde data from the Arctic to forecast three tropical cyclones, showing improved predictability with additional observations.
The EcoProMIS project aims to provide commercially viable solutions for sustainable agriculture in Colombia by combining space data with smart sensors and real-time information. Farmers will benefit from increased productivity and reduced environmental footprints, thanks to a public-private partnership supported by the UK Space Agency.
Late-onset epilepsy is associated with midlife lifestyle and vascular risk factors, including hypertension, diabetes, and smoking. Conversely, moderate physical activity and alcohol intake may lower the risk of developing epilepsy.
The study found variations in antibiotic prescribing patterns among different outpatient settings, including urgent care centers, retail clinics, and emergency departments. These variations suggest differences in patient mix and the potential for unnecessary antibiotic use, particularly for viral respiratory infections.
Researchers are combining citizen science data with NASA Earth satellite observations to create new forecast models that can predict the spread of mosquito-carrying diseases. The study found that vegetation, humidity, and soil moisture make it easier for mosquitoes to thrive during the summer months.
Researchers at UT Dallas developed a tool to identify inconsistencies in cosmological data, revealing potential errors in current models. The findings suggest that either systematic errors need to be removed or the underlying model is incomplete, leading to questions about Albert Einstein's theory of gravity.
The Society for Cardiovascular Angiography and Interventions (SCAI) has released new guidelines for selecting specific categories of devices in endovascular therapy. The guidelines provide device-focused recommendations based on a review of comparative effectiveness data, including safety and efficacy of femoral-popliteal devices.
Scientists found that dominant Eurasian 500-hPa geopotential height anomalies can persist from winter to the following spring. This persistence is linked to a triple sea surface temperature anomaly pattern in the North Atlantic, which triggers an atmospheric wave train over the region.
Students from a field course in Borneo successfully described a male spider species of the genus Opadometa sarawakensis, with striking orange, gray, black, and silver colors. They used smartphones paired with headlights to gather data and took advantage of an open-access workflow to compile their manuscript within a month.
A study of 2014 Medicare data found that urologists who saw more patients had lower online patient ratings, while those who saw fewer patients received higher ratings. This association may be linked to factors such as wait times and overall patient satisfaction.