Sentences with phrase «first large population study»

But this is the first large population study to look at how a new diagnosis of depression might affect people with coronary heart disease, according to researchers.

Now results from the first large population study conducted to assess the association show that older age at natural menopause and the use of oral HT are each associated with a higher risk of hearing loss.

Not exact matches

«Future studies are needed to determine if the effect of this intervention is sustainable through the first 6 to 12 months of life, and if this intervention can significantly reduce the incidence of sleep - related death in large populations over time.»

«Our study shows that failed substance use policies can reverse life expectancy trends for large population groups or even countries,» says Dr. Jürgen Rehm, Director of Social and Epidemiological Research at CAMH and first author of the study.

«This study provides the first good evidence, with a large and diverse population of students, that such exposure through undergraduate research has dramatic benefits for all students, substantially improving both graduation rates in STEM and overall graduation rates.

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.

«Although many guidelines recommend people with diabetes reduce their salt intake to lower the risk of complications, this study is among the first large longitudinal studies to demonstrate the benefits of a low - sodium diet in this population.»

«Our study is the first to describe the occurrence, evolution, and significance of fatty liver in a large unselected population of European liver transplant recipients,» said Dr. Hejlova.

In the first study to report on the association of aspirin use with breast cancer outcomes in a large patient population, researchers examined the pattern of aspirin use, cancer pathology and overall survival in 1,000 patients treated at the Abramson Cancer Center of the University of Pennsylvania and diagnosed with breast cancers, including receptor positive, HER2 - positive and triple negative cancers.

The first scientists who studied the Amazon found little evidence to support Orellana's claims of large populations.

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.

In the first national study of a large, diverse population, researchers at the Perelman School of Medicine at the University of Pennsylvania and colleagues, found that 1.2 percent of the study population engaged with devices, and that most of the individuals who started using an activity tracker were younger and had higher - incomes than people who opted not to use the devices.

Professor Schneider continued: «While there have been studies that have assessed urban expansion and urban population growth across large areas, this is the first study of its kind to use empirical maps and datasets for every settlement and population in the 17 - country region.

For the first time, a large population study has quantified the chance of pregnancy after treatment for cancer diagnosed in girls and women aged 39 or under.

The study provides the first large - scale test of the link between population differentiation rates and speciation rates.

«It is [still] possible that a population of wolves remained relatively untamed but tracked human groups to a large degree, for a long time,» adds first author of the study Pontus Skoglund of Harvard Medical School and the Broad Institute.

While the link between mothers» depression and depression in their children is well - established, the new Lancet Psychiatry study is the first to find an association between depression in fathers and their teenaged children, independent of whether the mother has depression, in a large sample in the general population.

This study is the first to examine the effects of exposure in the population at large.

The inverse association between magnesium intake and CRP was first reported in a large population of 11 686 apparently healthy women in the Women's Health Study (7).

The study provides the first large - scale, population - based evidence for the idea that perhaps it's not just calories, but the type of calories, that matter when looking at diabetes risk.

Egeberg called the new study «the first comprehensive investigation of Alzheimer's disease in a large population of patients with rosacea.»

To our knowledge, this is the first study to demonstrate a clear positive association between cardiovascular fitness and cognitive performance in a large population of young adults.

ERIC summarizes the findings of that study: «The population studied consisted of 88 first grade students at a Chicago public school, instructed in either a small class of 17 students or a large class of 27 students.

While this study is just a first step in assessing the effects of mindset on a large population of students and the role of schools in building mindset, the findings provide initial evidence that it may be beneficial to monitor the levels of growth mindset in the population and convey to students that the brain is malleable.

The first findings from a large - scale, population - based study that promises to reshape our understanding of how today's preschool children are spending their time — and how to deliver high - quality early learning experiences across all settings.

In summary, we describe here the first large - scale questionnaire study of TC in a pet population sample including four different dog breeds.

The large - scale study looked at the relationship between dietary patterns and heart disease risk; it is one of the first to include a regionally and socioeconomically diverse population.

Now, a team working at the University of Illinois have announced the completion of the first large - scale study to be carried out into populations across the US since records first started to be kept back in the late 1800s.

Despite the lack of an El Niño effect, 2017 is set to be the second or third hottest year on record; hurricanes unprecedented in their power pummelled the U.S. and Caribbean; the largest wildfires California has seen burned deep into the Northern Hemisphere winter; scientists warned the «Arctic shows no sign of returning to the reliably frozen region of recent past decades»; studies revealed an ecological armageddon amongst insect populations; droughts fuelled famine and insecurity across East Africa and the Middle East; the U.N. warned the number of chronically undernourished people has risen for the first time since the turn of the century due in large part to climate impacts.

This study is the first to assess the relative effects of persisting poverty and family status transitions on children's cognitive functioning at the age of 5 years using a large, longitudinal, general population sample.

First, associations between depression and cortisol in pregnancy were not found in one large population based cohort study20 and may only be significant in the presence of antidepressant medication21 or co-morbid anxiety.22 Second, studies that tested either direct associations between antenatal maternal cortisol levels on infant or child outcomes or the mediational role of antenatal cortisol in associations between antenatal depression and outcomes yield mixed findings and typically have relied on small samples.23 Postpartum depression has been associated with a range of problems in infants» and young children's development.

To our knowledge, this is the first study that used LTA to empirically identify profiles of internalizing and externalizing problems and their co-occurrence at different stages of the preschool period and to examine the stability of problems in a large general population sample.

First, the Hispanic sample used in this study is not representative of the larger U.S. Hispanic population.