Sentences with phrase «data from previous studies»

Based on a large amount of data from previous studies on these participants, the researchers identified a correlation between various psychiatric disorders among children and later risk of developing addictions.

Although this study has some shortcomings such as small sample size, potential selection bias, and less than ideal controls (eg, treatment group was seen for a longer period than control group), the results are promising and consistent with data from previous studies in non-medical patients with depression.

Student's life satisfaction is lack of empirical research, so we can only get a few theoretical data from previous studies and a lot of problems to be further empirical research.

If you ever read Isaac Asimov's book Foundation, you might remember a similar episode where a character is amazed that scientists no longer seek out new empirical data, but just manipulate data from previous studies.

«Our report was an attempt to do the most comprehensive assessment of fatty acids by combining data from all previous studies into a single investigation,» said study author Dr. Rajiv Chowdhury, a cardiovascular epidemiologist at the University of Cambridge in England.

He has now updated his research using data from previous studies that relied on satellite and aircraft measurements of emissions above oil and gas fields.

Careau collected data from previous studies on various breeds» energy expenditure and longevity.

«You can analyze huge datasets in an instant and experiment with the fast - evolving world of open source bioinformatics software as well as the vast amount of publicly available data from previous studies.»

Beaty and colleagues reanalyzed brain data from previous studies and found that, by simply measuring the strength of connections in these peoples» brain networks, they could estimate how original their ideas would be.

The study pooled data from previous studies conducted at 23 sites across the northeastern U.S.

Tye used data from previous studies to home in on a likely circuit, then carefully positioned the cable to deliver light right there.

An analysis of data from a previous study of more than 1,350 smokers intending to quit after a hospitalization found that those who reported using electronic cigarettes (e-cigarettes) during the study period were less likely to have successfully quit smoking 6 months after entering the study.

Summary: (To include comparison groups, outcomes, measures, notable limitations) This study utilizes data from previous study [Feinberg et al 2008].

Not exact matches

Unemployment, Marginal Attachment and Labor Force Participation in Canada and the United States Stephen Jones, McMaster University Craig Riddell, University of British Columbia Jones and Riddell build on two previous papers: one by David Card and Riddell (originally published in Small Differences that Matter) that studies the reasons for higher rates of unemployment in Canada than the U.S. in the 1980s, the other by Jones and Riddell which uses data from the U.S. Labor Force Survey to study the differences in rates of job creation for people who are counted as unemployed versus those who are counted as out of the labor force.

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.

A study from 2010 acknowledged, yes, «in the short - term, kids go through a one - to two - year crisis period when their parents divorce,» but the idea of staying together for the kids is problematic, especially if it's a high - conflict family, and that previous research indicating people should stay together «has been plagued by many data problems — reliance on small samples derived from one therapy clinic, retrospective reports, and cross sectional data.»

Spearheaded by Executive Director Professor Brad Harrington and Senior Research Associate Fred Van Deusen, this study builds on data from a previous qualitative 2007 study of first - time mothers with careers (by Professor Jamie Ladge of Northeastern University).

In contrast to the findings of previous research (Foster et al., 1997), the data from this study do not show a correlation to socio - economic status: respondents seemed equally likely to initiate breastfeeding irrespective of their social class.

Although most studies of parental depression have focused on mothers, the impact of depression in fathers has received increasing attention.2, 3 Using data from the 2002 National Comorbidity Replication Survey, the Institute of Medicine report also estimated that 4.3 % of men with a child under 18 years old had a major depressive disorder within the previous 12 months.1 In addition, a recent meta - analysis4 suggested that the prevalence of paternal depression within the first year of a child's life was 10.4 %.

Using these data, researchers fine - tuned estimates from previous foram studies that captured polar conditions to show tropical oceans warmed substantially in the Eocene, but not as much as polar oceans.

Using data from previous field studies, the team estimates that the minerals and other nutrients released by giant Antarctic icebergs (those longer than 18 kilometers) trigger as much as 20 % of the CO2 absorption by life in the southern seas.

This date is 20 million years younger than suggestions from previous studies which used molecular data from living mammals and assumed a near - constant rate of evolution.

In a follow - up study, the Bradfords analyzed prescription data from Medicaid recipients, a younger population than the Medicare enrollees in their previous study.

The ads attracted 521 usable subjects, whose data Bogaert combined with information from previous research studies, giving him a total of 944 subjects.

To examine the potential emergent effects of educational interventions, Powers and colleagues analyzed data from two previous intervention studies conducted with 7th graders.

Researchers from Norway and Canada used data from The Norwegian Mother and Child Cohort Study (MoBa) and The Medical Birth Registry of Norway to measure the effect of SSRIs and maternal depression on birth weight and gestational length, using their sibling design method to differentiate the study from previous studies looking into prenatal SSRI effStudy (MoBa) and The Medical Birth Registry of Norway to measure the effect of SSRIs and maternal depression on birth weight and gestational length, using their sibling design method to differentiate the study from previous studies looking into prenatal SSRI effstudy from previous studies looking into prenatal SSRI effects.

The new data builds upon a previous Pitt study that showed damaged leg muscles grew stronger and showed signs of regeneration in three out of five men whose old injuries were surgically implanted with ECM derived from pig bladder.

Their analysis — which used DNA data from a Neandertal woman from the Altai Mountains in Siberia (SN: 1/25/14, p. 17) and 112,338 present - day British people — confirmed some links between Neandertal heritage and human diseases made by previous studies (SN: 3/5/16, p. 18), but didn't find evidence that Neandertal gene variants contribute to obesity.

To investigate this idea, Krogsboll's team pooled data from 14 previous studies involving nearly 183,000 people, comparing participants who were offered regular checkups with those who saw their doctors only when they had a complaint.

In the new work, researchers looked at genetic and health data on more than 100,000 individuals from previous large studies to determine whether genetic alterations that are associated with vitamin D levels predispose people to asthma, dermatitis, or high IgE levels.

Data gathered from the previous galaxy clusters were studied by teams all over the world, enabling them to make important discoveries, among them galaxies that existed only hundreds of million years after the Big Bang heic1523 and the first predicted appearance of a gravitationally lensed supernova heic1525.

The ARIC data were especially useful to study because unlike most previous research linking gum disease and cancer risk, periodontitis cases were determined from dental examinations performed as part of the ARIC study rather than participants» self - reports of the disease.

Data were collected for three waves — 1994 - 1995, 1996, and 2001 - 2002 — and study authors used sleep difficulties from a previous wave to predict substance - related problems at a subsequent wave, while controlling for substance - related problems at the previous wave.

The current model combines data from individuals relating to all these factors, making it more accurate than previous models and easier to verify with future clinical studies.

«We know from a previous study based on OSDUHS data that as many as 20 per cent of adolescents in Ontario said they have experienced a traumatic brain injury in their lifetime,» said Dr. Robert Mann, senior scientist at CAMH and director of the OSDUHS.

They were able to use the data gathered to test previous hypotheses drawn from archaeological and historical data, and from studies of modern DNA.

Now, a recent study has compiled and analyzed data from 25 previous studies.

Previous studies have used a variety of computer models and data from fossils and flood events to argue that ENSO has become more exaggerated over the past 11,000 years, known as the Holocene period.

They combined their data with findings from previous studies to increase statistical power.

Porpino analyzed previous research findings from 24 peer - reviewed papers, and empirical data from a study conducted in households in the US and Brazil.

An international team of researchers analyzed the available data taken from all previous studies of the Southern Ocean, together with satellite images taken of the area, to quantify the amount of iron supplied to the surface waters of the Southern Ocean.

Moreover, they have re-used large amounts of data from previous genomic studies and analysed them again with new and better methods.

Previous studies looking at extremely preterm infants - babies born after only 22 to 28 weeks of gestation - typically only look at short periods of time and often use data from specialized centers with the latest technology and treatments, Malloy said.

The study used previous data from Janet Hyde's Wisconsin Study of Families and Work, which included information from 298 American adolescents, and Watt's Study of Transitions and Education Pathways (STEPS), which included 331 Australian studstudy used previous data from Janet Hyde's Wisconsin Study of Families and Work, which included information from 298 American adolescents, and Watt's Study of Transitions and Education Pathways (STEPS), which included 331 Australian studStudy of Families and Work, which included information from 298 American adolescents, and Watt's Study of Transitions and Education Pathways (STEPS), which included 331 Australian studStudy of Transitions and Education Pathways (STEPS), which included 331 Australian students.

Worm and his 18 co-authors used data from catch reports, scientific surveys, stock assessments, modeling and other sources to try to get a clearer picture of the fisheries statuses than previous studies had achieved.

«Despite the limitations of a single arm, non-randomized study, we infer from these data that Interferon ß - 1a treatment is worth further consideration for the treatment of Ebola virus disease,» said Dr. Fish, who is also a Professor in the Department of Immunology at the University of Toronto, noting that the decision to undertake the clinical trial was based on previous preliminary scientific data, and on the fact that no currently approved antivirals exist to treat Ebola.

In a sophisticated analysis, the scientists compared these data with those from previous studies involving tens of thousands of other people.

Our supermatrix expands upon these previous studies by bringing together sequences from a wide array of molecular studies, supplemented by new data for four genes, to yield a single primate phylogeny with strong support for the monophyly of most primate genera, families, and higher - level taxa (Primates, Strepsirrhini, Lemuriformes, Lorisiformes, Haplorhini, Tarsiiformes, Simiiformes, Catarrhini, Platyrrhini).

Dr Ricardo Rodríguez Varela, researcher at Stockholm University and lead author of the study, explains: «By generating the first autosomal genetic data from these populations we can conclusively demonstrate that the Guanches were most closely related to modern North Africans of Berber ancestry than to any other population we included for comparisons, supporting previous studies but adding more detail and nuance.»

Data from over 135,000 people show no link between broad faces and antisocial traits, in contrast with previous studies... More