Sentences with phrase «study in large sample»

Online help seeking for mental health social support is becoming frequent enough for study in large sample national surveys, and might well be fostered by active neuropsychiatric ailments such as depression or other serious psychological distress.

Not exact matches

While we can infer from this study that some degree of contamination exists in naturally gluten - free grains, seeds, and flours sampling was not large enough to make any assessment on the overall percentage of contaminated product.

However, compared to previous studies of regulation compliance that have utilised data sets ranging in duration from 63 hours [9] to 80 hours of programming [24], this was a relatively large sample that was purposively selected to cover both school holidays and term time.

The strengths of the study include the ability to compare outcomes by the woman's planned place of birth at the start of care in labour, the high participation of midwifery units and trusts in England, the large sample size and statistical power to detect clinically important differences in adverse perinatal outcomes, the minimisation of selection bias through achievement of a high response rate and absence of self selection bias due to non-consent, the ability to compare groups that were similar in terms of identified clinical risk (according to current clinical guidelines) and to further increase the comparability of the groups by conducting an additional analysis restricted to women with no complicating conditions identified at the start of care in labour, and the ability to control for several important potential confounders.

Of particular importance is the fact that the study sample was sufficiently large for most health outcomes to rule out even modest increases in risk.

It seems as if another study with a larger sample size is warranted — in addition to a study that has a control group in which parents refrain from giving their infants yogurt.

One of the first such studies25 linked slapping and spanking in childhood with psychiatric disorders in adulthood in a large Canadian sample, and its findings have since been supported by an ever - growing number of studies.

The prospective design of the IFPS II, the large sample size, as well as the extensive information on infant and maternal dietary practices make it useful for studying exclusive breastfeeding practices and testing hypotheses in a prospective manner [27].

In a larger community - based study, cluster samples were identified from 70 per cent of the total population.

A new peer - reviewed study discredits findings of controversial research claiming that higher concentrations of dissolved methane in domestic water wells can be associated with proximity to nearby gas - producing wells in northeastern Pennsylvania — and it does so using a much larger sampling size and pre-drill baselines.

Endocast researchers need to study the range of brain surface characteristics in a larger sample of living chimps and other apes to make more accurate comparisons, Falk says.

The scientists examined blood samples taken from 572 women in the Nurses» Health Study and from 699 men in the Health Professionals Follow - Up Study, two of the largest long - term investigations of factors that affect women's and men's health.

The authors note that while the sample size of the meta - analyses was large (123,132 to 260,861 participants in different studies), they used only GWAS summary statistics and can not estimate all genetic variance factors; some studies also used different methodologies.

In addition, rigorously designed studies of large and diverse patient samples are still needed to confirm the presence of these cytokine alterations, but if replicated, such findings could contribute to more personalized medicine for patients.

The tool, developed by these UC3M researchers, baptized DENDROID and detailed in a study published in the review Expert Systems with Applications, allows security analysts to scrutinize a large quantity of apps to determine the origins of a malware sample and the family to which it belongs.

«We hope that our work will provide the basis for a larger study of patient samples that may ultimately identify biomarkers that can be used as surrogate markers to determine the benefit of therapeutic interventions in diagnosed but asymptomatic HD patients to prevent or delay disease onset.»

In the largest watershed study of its kind, MSU researchers samples 64 rivers in Michigan for human fecal bacteriIn the largest watershed study of its kind, MSU researchers samples 64 rivers in Michigan for human fecal bacteriin Michigan for human fecal bacteria.

By studying core samples taken from the river delta, the research team, led by Zhen Li of East China Normal University in Shanghai and colleagues, detected patterns and sizes of charcoal to indicate fire distance (small particles can travel farther than 100 meters, whereas larger ones stay put) as well as pollen to deduce the presence of either crops or nonagricultural flora.

To identify the relevant mutations the scientists analyzed the blood samples of 1,858 men from three independent cohorts in Europe and North America: the Swiss arm of the European Randomized Study for Prostate Cancer Screening, the large American Screening trial, Prostate, Lung, Colorectal, and Ovarian (PLCO), Princess Margaret Cancer Centre (University Health Network) and Mount Sinai Hospital (Sinai Health System) in Toronto.

However, in later studies, researchers evaluating much larger numbers of virus samples could not confirm the high rate.

The study, «Prevalence of hypertension, awareness, treatment and control in the Hispanic Community,» led by Dr. Paul D. Sorlie of the National Heart, Lung, and Blood Institute (NHLBI), sampled 16,400 individuals, making it one of the largest and most rigorous health studies of the Hispanic community.

Dr Piers Dawes, from The University of Manchester's Audiology and Deafness research group, said: «This is the first study to describe the prevalence of difficulties understanding speech in background noise in a large sample of the population, anywhere in the world.

Using statistical tests, Kamangar combined the results from studies in the U.S., Europe, Iran, China and Japan to evaluate if H. pylori helps prevent either form of esophageal cancer in such a large and geographically diverse sample pool.

This is the largest ever study estimating above and below - ground carbon loss from selective logging and ground level forest fires in the tropics, based on data from 70,000 sampled trees and thousands of soil, litter and dead wood samples from 225 sites in the eastern Brazilian Amazon.

This study's large sample size allowed the researchers to look at gay men and heterosexual men who were recruited in the same manner.

«Our study is the first to examine enforcement actions for alcohol laws by campus police and security agencies in a large, nationally representative sample of colleges,» said Nelson.

This study, published in the journal Molecular Ecology Resources, presents a revolutionary tool to process a very large number of samples in parallel, allowing wide coverage of the monitored sites in a reduced time and at a lower cost.

The study, with its exceptionally large sample sizes, is «a major advance,» says David Goldman, chief of the lab of neurogenetics at the National Institute on Alcohol Abuse and Alcoholism in Bethesda, Maryland.

In the samples studied by the scientists, there are also high levels of atmospheric contamination from lead during the Roman Empire, when large quantities of this metal were extracted in the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern SpaiIn the samples studied by the scientists, there are also high levels of atmospheric contamination from lead during the Roman Empire, when large quantities of this metal were extracted in the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern Spaiin the south of the Iberian Peninsula, as well as during the past 300 years, coinciding with the Industrial Revolution and the reactivation of mining activity in southern Spaiin southern Spain.

«Inspired by recent demonstrations for the need for large subject - samples and more robust analyses in psychology and neuroscience research, we re-examined the research question of the original study.

«We have made great efforts and spent many nights in the field to cover large parts of Poland when sampling saliva from the two tree frog species for genetic analyses,» said Tomasz Majtyka, the University of Wroclaw and equal first author of the study.

In the largest study of its kind to date, researchers used mitochondrial DNA microsatellites from skin samples gathered from more than 3,000 individual humpback whales across the Southern Hemisphere and the Arabian Sea to examine how whale populations are related to one another, a question that is difficult to answer with direct observations of whales in their oceanic environmenIn the largest study of its kind to date, researchers used mitochondrial DNA microsatellites from skin samples gathered from more than 3,000 individual humpback whales across the Southern Hemisphere and the Arabian Sea to examine how whale populations are related to one another, a question that is difficult to answer with direct observations of whales in their oceanic environmenin their oceanic environment.

«It has shown that the value of sequencing a few thousand individuals is high for highly penetrant, rare diseases, but that for complex traits and diseases much larger sample sizes will be required in future studies.

This study was based on a large population sample in the community, rather than being drawn from secondary care.

The researchers also note that large sample studies are needed to investigate the effects in girls with ASD.

Large - scale conservation genetics studies on wild jaguars spanning across several range countries assessing these threats are rare and suffer from low sample sizes for this region,» said Claudia Wultsch, the lead author of the paper, a scientist in the Museum's Sackler Institute for Comparative Genomics, and a conservation research fellow at Panthera.

The study was supported by, and conducted in collaboration with Synairgen, a University of Southampton spin - out company, and formed part of U-BIOPRED, a large - scale European project using information and samples from adults and children to learn more about different types of asthma.

In a new study published in the current issue of the Journal of Personality and Social Psychology, researchers in the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt - Universität zu Berlin in Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodIn a new study published in the current issue of the Journal of Personality and Social Psychology, researchers in the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt - Universität zu Berlin in Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodin the current issue of the Journal of Personality and Social Psychology, researchers in the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt - Universität zu Berlin in Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodin the Charles E. Schmidt College of Science at Florida Atlantic University and Humboldt - Universität zu Berlin in Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodin Germany measured the effects of situations on human behavior in real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodin real - time and outside of a laboratory setting in one of the largest studies to employ experience sampling methodin one of the largest studies to employ experience sampling methods.

From this survey data, NASA's James Webb Space Telescope as well as large ground - based observatories will be able to further characterize the targets, making it possible for the first time to study the masses, sizes, densities, orbits, and atmospheres of a large cohort of small planets, including a sample of rocky worlds in the habitable zones of their host stars.

In the world's largest study to investigate how common lifestyle factors influence the size and shape of sperm (referred to as sperm morphology), a research team from the Universities of Sheffield and Manchester also found that sperm size and shape was worse in samples ejaculated in the summer months but was better in men who had abstained from sexual activity for more than six dayIn the world's largest study to investigate how common lifestyle factors influence the size and shape of sperm (referred to as sperm morphology), a research team from the Universities of Sheffield and Manchester also found that sperm size and shape was worse in samples ejaculated in the summer months but was better in men who had abstained from sexual activity for more than six dayin samples ejaculated in the summer months but was better in men who had abstained from sexual activity for more than six dayin the summer months but was better in men who had abstained from sexual activity for more than six dayin men who had abstained from sexual activity for more than six days.

«This study confirms several other reports in the literature,» said Dr Letur, «with a large sample and matched control group.

The study by University of Florida and Research Triangle Park researchers is the first to look at sleep difficulty by smoking status in a large population - based, nationally representative sample.

Because only 19 of the participants in the new study developed psychosis, the work should be replicated in a larger sample, Bearden says.

«It is the first study with such a large sample of individuals and includes the entire range of language variability implemented in the brain,» explains Nathalie Tzourio - Mazoyer, head of the Neurofunctional Imaging Group at the Institute of Neurodegenerative Diseases of the University of Bordeaux (France) and principal author of the work, to Sinc.

The assay was developed using detailed patient samples from Harris's collaborative studies in Nicaragua, a large step forward over previous studies.

The sample size analyzed in this study is one of the largest, especially as samples were collected in Asian populations.

Matt Taylor and his team have now made the most detailed studies so far of a sample of 125 globular star clusters around Centaurus A using the FLAMES instrument on ESO's Very Large Telescope at the Paranal Observatory in northern Chile [1].

A Commentary article in the same issue of The Lancet Diabetes and Endocrinology by Harvard Professor Matthew W. Gillman notes that the study had a large sample size, reasonably precise information about the timing of the famine, geographical variation in the same country, and clinical outcomes — a combination of strengths missing in other famine studies.

Researchers from the University of Leicester's Department of Cancer Studies and Molecular Medicine, in collaboration with Cleaver Scientific Ltd., have developed a novel, high throughput method of performing the assay which is set to overcome this problem and to push down the costs of processing large numbers of samples.

This preliminary study needs to be validated with a larger sample, Kana said; but it «emphasizes that the brain abnormalities in autism may not be confined to a single area.