Sentences with phrase «researchers accounted for differences»

The researchers accounted for differences in age, sex, parental education status and race.

Not exact matches

In a case - control study, researchers identify a group of cases (here, the babies who died of SIDS) and compare them to a control group of babies / families with similar characteristics to find out what could account for differences in outcomes (one group died from SIDS; one did not).

These socioeconomic differences were accounted for by researchers via questionnaire.

To account for this difference in their analysis, the researchers performed statistical adjustments and also assessed outcomes for separate age groups, divided into five - year intervals.

The researchers adjusted for multiple variables, including a propensity score reflecting the probability of receiving bivalirudin to account for patient differences between groups.

In the 24 June Sciencexpress, researchers at the University of Sydney report that the differences between the bees» liking for heat can be accounted for by genetics.

To determine what level of a toxin is safe, researchers take a dose that has no observed toxicological effect in an animal and divide it by 10 once (to account for the differences between species) and then again (to account for variations among humans» ability to handle toxins); for pesticides, the dose is then divided by 10 a third time (to allow for the extraordinary sensitivity of babies and children).

For each of these cancer sites, the researchers calculated important regional and county differences in advanced stage of diagnosis, which takes into account the growth and size of the tumor and whether it has spread to the lymph nodes or other organs.

Researchers» findings underscore that this accounts for more than half of the differences seen across countries and over time for certain leading causes of DALYs, including maternal and neonatal disorders.

The study, conducted jointly by researchers at Harvard and UT Southwestern Medical Center, is the first to look at state - level trends in child fatalities involving motor vehicle crashes, and to account for differences in geography and state laws and regulations.

Researchers assigned each type of physical activity an intensity score and determined walking or bicycling just 20 minutes per day was associated with a 21 percent lower risk of heart failure and accounted for the largest difference in heart failure free survival.

Because the dataset now will be available to the scientific community, researchers will be able to account for these differences when designing and interpreting experiments using this HeLa cell line.

Jha said the researchers sought to control for a variety of factors, including risk adjusting for the demographics of patients and accounting for differences in the size and types of hospitals where the physicians worked.

Variability between individuals is typically attributed to genetic differences or exposure to different environments, but the researchers designed this study to account for these differences, using genetically identical worms in identical environments.

But many researchers, including Keller and Ross, didn't think variations in a single gene could account for all the differences in size, fertility, odor, and aggression that separated the two ant groups.

The researchers identified several hundred differences in methylation associated with either Mexican or Puerto Rican ethnicity, but discovered that only three - quarters of the epigenetic difference between the two ethnic subgroups could be accounted for by differences in the children's genetic ancestry.

Nevertheless, the researchers were able to show that the Messel forest web is likely comparable in structure to modern webs, by using models to account for differences in structure that would result from the many more taxa and interactions in the Messel data.

To see if differences in response to vasopressin accounted for the contrast in personality, the researchers took males from each species and paired them with females, which had been neutered to prevent them from leading on the males.

To test whether sex hormones could account for these differences, the researchers removed the ovaries from female mice and the testes from male mice.

After accounting for differences in age, pre-pregnancy body size, and other risk factors, the researchers estimated that women who exclusively breastfed or mostly breastfed were about half as likely to develop type 2 diabetes as those who didn't breastfeed.

Once differences in body and visual system size were taken into account, the researchers could then compare how much of the brain was left over for other types of cognition.

However, once we account for this difference, there no evidence that moths have adapted to flowers,» said William Godsoe, the study's lead author and postdoctoral researcher at the National Institute for Mathematical and Biological Synthesis.

The effect persisted even when the researchers, from the University of Michigan Institute for Healthcare Policy and Innovation, took into account other differences between the two types of states.

Regardless of age, the cost of physician office and hospital outpatient visits accounted for roughly 90 percent of the difference between costs for women with and without breast cancer, researchers report in Breast Cancer Research and Treatment.

The problem I have with studies that are based on differences between macronutrients alone is that they are unable to account for the differences in the nutrient value of the foods eaten and can be manipulated to show anything the researcher wants them to show.

Researchers said the differences in marital outcomes from online and offline meetings held true even after accounting for demographic differences.

Even after adjusting for observed demographic differences, researchers always wondered whether unobserved differences that were not being accounted for, such as parental motivation or the intellectual richness of home life, played a larger role than the schools themselves in causing differences in academic performance between public and private schools.

As many researchers have noted, socio - economic differences among families — which often track with race — account for one of the main reasons some students start school knowing their ABCs and numbers, and others don't.

The researchers calculated that this educational content difference accounts for a third of the achievement gap, on average.

The report analyzes challenges plaguing the study of curriula, including variations in how curriculum is defined, accounting for differences in district versus teacher - selected curriculum, and the lack of clear standards used by researchers to evaluate the fidelity of curriculum implementation.

Educators and researchers have also debated whether the models should account for poverty and other factors that can make a difference in how students perform.

From my post on Heikin - Ashi Charts, another researcher wrote Luck: The Difference Between Hired or Fired about how luck of the draw could account for the difference in returns depending on the starDifference Between Hired or Fired about how luck of the draw could account for the difference in returns depending on the stardifference in returns depending on the starting date.

«The team emphasized that clouds are particularly sensitive to subtle differences in surface warming patterns, and researchers must carefully account for such pattern effects when making inferences about cloud feedback and climate sensitivity from observations over short time periods.»

But when researchers account for changes in plants» water needs, this falls to 37 percent, with bigger differences concentrated in certain regions.»