Sentences with phrase «small study populations»

This may be due to a large number of studies with relatively small study populations.

Not exact matches

Overall, the national study revealed there are more similarities than differences between small business owners in all diverse segments and those in the general population.
In truth, the most recent study one can find shows that while about the same percentage identify as Christian (80 %) in prison as in the population at large, a much smaller percentage in prison identify as atheist (0.2 % of the prison population).
Actually, the most recent study I can find shows that while about the same percentage identify as Christian (80 %) in prison as in the population at large, a much smaller percentage in prison identify as atheist (0.2 % of the prison population).
The Global Burden of Disease Study 2010 predicted that sugar sweetened drink consumption contributes a relatively small amount to UK population morbidity (28000 disability adjusted life years) compared with low fruit and vegetable consumption (1130000 disability adjusted life years).59 Using revenue from a sugar sweetened drink tax to reduce the prices of fruit and vegetables is a potential mechanism for further improving population health.60
«While the previous decision by the FDA to ban BPA in products used by babies and small children is the step in the right direction, this new study again raises an important question: should FDA consider banning BPA for more than just this vulnerable population?
However, this population - based, case - control study was limited by a low participation rate of 50 % among eligible cases and 41 % among eligible controls and a small sample size of 185 SIDS cases.
If the association appears consistently in study after study, population after population, but is small — in the range of tens of percent — then doubt it.
Of course, this is just one study representing a small segment of the (British) population.
In our study, the number of women with a low level of education was probably smaller compared to the Dutch population [20].
The percentage of women with a non-Dutch background was also small in our study population: 3.1 % in total, as compared with 25.3 % of all nulliparous women in the Netherlands in 2012 [19].
Previous attempts to evaluate the Baby Friendly Initiative within an observational study design have often been limited by small sample size or reliance upon ecological measures of confounding factors.16, 17 The advantage of the Millennium Cohort Study is the availability of individual - level social and demographic information, as well as the circumstances of pregnancy and delivery, allowing adjustment for factors that in other studies may be associated with both policy intervention and infant feeding practices, via area or individual population differestudy design have often been limited by small sample size or reliance upon ecological measures of confounding factors.16, 17 The advantage of the Millennium Cohort Study is the availability of individual - level social and demographic information, as well as the circumstances of pregnancy and delivery, allowing adjustment for factors that in other studies may be associated with both policy intervention and infant feeding practices, via area or individual population differeStudy is the availability of individual - level social and demographic information, as well as the circumstances of pregnancy and delivery, allowing adjustment for factors that in other studies may be associated with both policy intervention and infant feeding practices, via area or individual population differences.
And in a, I don't remember this study group is maybe 40, 80 women something like that and they found a 5 % insufficient milk rate and that has, that's the basis of the number that continues to be recorded today but it was a very small population.
Although our perinatal death rate lies well within the rates described in other population - based studies, it deserves ongoing monitoring in view of the small numbers of births it is based on to date.
For the current study, a team of researchers investigated whether breast milk or formula contributed greater arsenic exposure during early infancy in a small United States population.
In 2015, he came to the University for Development Studies, Navrongo Campus for NPP TESCON programme when I was NDC TEIN president and preached a very terrible message by asking Ghanaians to make sacrifices like the people of Ivory Coast did some years ago and that «a country smaller in size and population compared to Ghana, which had endured bloody dispute in their last election, resulting in the loss and displacing of thousands of lives, had, in a short period, turned around their fortunes.
«Only a small sliver of the population will be eligible for the End - of - Life Option Act, and of those eligible, only a portion are likely to utilize this option, and no one ethically opposed would likely do so,» the study said.
However, previous studies had shown that a small population of E. coli can persist in the bladder at levels undetectable in the urine.
The Old Order Amish are ideal for genetic studies because they are a genetically homogenous population tracing their ancestry back 14 generations to a small group that came to Pennsylvania from Europe in the mid-1700s.
Although the study population is small, the authors believe the results provide additional evidence in support of wearing helmets to prevent severe injury in motorcycle crashes.
Given that a small proportion of the population is homosexual, prospective studies require a large number of children.
The researchers did a small study of existing genetic data from the human skin microbiome and estimate that 20 percent of the human population have S. epidermidis strains that make 6 - HAP on their skin, Gallo says.
Previous studies have examined cancer stem cells (CSCs)-- small populations of cells within a tumor that are resistant to chemotherapy.
The largest urban health systems, which serve as safety nets for large patient populations with lower socioeconomic status and greater likelihood to speak English as a second language, do worse on government patient satisfaction scores than smaller, non-urban hospitals likely to serve white customers with higher education levels, according to a new study by Mount Sinai researchers published this month in the Journal of Hospital Medicine.
In this study, scientists evaluated high - resolution satellite imagery to track the distribution and abundance of polar bears on a small island in northern Canada in an attempt to develop a tool to monitor these difficult to reach populations.
Recent studies in Japan have virtually all found that the abandonment of small, traditionally managed rice paddies results in less biodiversity among the seminatural grasses and weeds that grow on paddy margins and in the insect populations that depend on that vegetation.
A long - term study of life history and government records reveals a disproportionately large set of social costs devoted to a relatively small sector of the population.
But she said the NHANES database is a broader data source than sources for studies that have found declines in obesity rates among smaller or segmented populations.
Some small studies have linked increased nuts in the diet to lower total mortality in specific populations.
«Two percent sounds small,» says Krishnan Bhaskaran, a researcher at the London School of Hygiene and Tropical Medicine and lead author on the new study, «but the reason it's important is the whole population is exposed to the weather, and heart attacks are common in the first place.»
Of the handful of similar analyses, a 2008 study found population losses in amphibians living in Yellowstone National Park in Wyoming, and another found that small mammals in Yosemite National Park in California had tracked warming temperatures in the past century by shifting their range.
Having this allele reduces the risk of severe malaria by about 40 % in Kenyan children, with a slightly smaller effect across all the other populations studied.
«It is possible that Svalbard may have provided one such important refuge during warming periods, in which small polar bear populations survived and from which founder populations expanded during cooler periods,» argues biologist Charlotte Lundqvist of the University at Buffalo, The State University of New York, who is a co-author of the new study.
Although the connection between retinal detachment and preterm births has been noted in smaller studies, this is the first study to analyze a population of this size.
A small oil pond could trap thousands of dragonflies when they are swarming, Horváth says, and nobody has studied yet what impact that would have on the insect population.
They maintain that cognitive tests done over time actually indicate small or no differences in performance among these populations and that studies on risk factors have produced useful, yet insufficient, explanations of the disparities - largely due to the lack of African American participation in research studies.
Because the Chinook salmon diet consists of over 90 percent alewife, the new study predicts a smaller Chinook salmon population if nutrients remain low and invasive mussels remain abundant.
While the study was relatively small, we believe the data suggest that DBS surgery targeting the fornix can be performed safely in this patient population.
Owing to the small number of participants in this subset of the study population, the pregnancy - associated change was not statistically significant.
(For the general population of women in the study, the researchers found that long - term exposure to air pollution led to small, but not statistically significant, increases in risk of cardiovascular events.)
The use of cell surface markers to isolate specific cell populations is one common method for separating cells; however, isolating live cells based on their RNA expression is a powerful new way enabling the study of small cell niches in nongenetically modified animal models and human tissue.
In Sudan «the local population is becoming increasingly dependent on food aid and international food subsidies,» because the land grabbers are pushing out small farming, according to D'Odorico's study.
Researchers studied the Cayman reefs, which are 80 miles south of Cuba and surrounded by deep ocean water, in part because of their remoteness and negligible impact from a small nearby human population, Frazer said.
Studies from islands including Flores, Sri Lanka, and others suggest that early colonizers often coexisted with native fauna, perhaps because their populations were smaller and their technology simpler, or because they did not introduce invasive species such as rats and dogs.
The researchers, who reported their findings online in Small Business Economics, also found that counties with larger minority population tended to grow more slowly over the period they studied — from 2000 to 2007.
While the new study adds to the Milky Way's tally of star - forming regions, it may not substantially boost our galaxy's star total because the young, massive stars focused on in this study make up only a small percentage of the overall population.
The ZooKeys article describes the first study of the behavior, diet, and conservation status of this flying fox, finding that the Mortlock Islands support a small population of 900 to 1200 bats scattered across a land surface of only 12 km2 (4.6 square miles).
«It is very challenging to target such a small population of neurons in the brain, but this study helps to increase our knowledge of a part of the brain that is still a mystery,» said de Guglielmo.
Professor Hugh Jones, also from the University of Hertfordshire, commented: «This result is somewhat expected in the sense that studies of distant red dwarfs with the Kepler mission indicate a significant population of small radius planets.
The study revealed that in the model system chosen by Opitz and colleagues the winning side becomes apparent at a very early stage in the growth of the population, when the numbers of cells are still relatively small.
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