Sentences with phrase «by studying population»

His research and that of his colleagues seeks to clarify the causal patterns behind these losses, most recently by studying population dynamics of fossil species using ancient DNA methods.

By studying this population over time in a randomized clinical trial, the research team was able to eliminate many confounding variables.

He found out that you can't suppress the geographical features: they appear as the roads avoid them, and you can get a more immediate idea of the population density of a region just by looking at its roads than by studying its population data.

Quiz Ref IDOur conclusions are limited by our study population, which was selected from a single cohort from the United States and sampled at a single time point; thus, our findings may not be entirely generalizable to populations elsewhere or to different points in infant development.

By studying populations in Turkey, India, and Italy where natural fluoride in the water is high, he saw the effects of crippling skeletal fluorosis.29

Not exact matches

Latina - owned businesses explode: In the last decade, Hispanic Americans have been starting and growing new businesses at twice the rate of the general population, according to a new study by researcher Geoscape and the U.S. Hispanic Chamber of Commerce.

A roundup of gun control and violence studies by writer German Lopez at Vox shows Americans represent less than 5 % of the world population but possess nearly 50 % of the world's civilian - owned guns, police are about three times more likely to be killed in states with high gun ownership, countries with more guns see more gun deaths, and states with tighter gun control laws see fewer gun - related deaths, among other sobering statistics.

A striking 46 percent of renters ages 25 to 34 — the core of the millennial population — spend more than 30 percent of their incomes on rent, up from 40 percent a decade earlier, according to a report by Harvard University's Joint Center of Housing Studies.

The 2018 Edelman Trust Barometer, the annual global study often considered the gold standard in trust data measurement recently stated that, «In a year marked by turbulence at home and abroad, trust in institutions in the United States crashed, posting the steepest, most dramatic general population decline the Trust Barometer has ever measured.»

Generation Z, those born 1997 to present, now represent 27 percent of the U.S. population, a larger group than Millennials, and although only older Gen Zs are entering adulthood, their impact on the food industry is already being felt, finds a new study by The NPD Group, a leading global information company.

According to a study done by the Pew Research Center, between 2000 and 2014, middle - class populations decreased in 203 of the 229 metropolitan areas.

Sources: US Census Bureau 2015 American Community Survey, Zillow * For this study we looked at the 100 biggest U.S. cities by population with available data

The Center for Puerto Rican Studies at the City University of New York estimates that Puerto Rico will lose up 470,335 residents by the end of 2019 — about 14 percent of the population.

In its own studies, Metro Vancouver estimates our population will grow by more than one million new residents by the year 2041.

«Based on [current population survey] data from 1980 - 2015, we find that increasing the minimum wage decreases significantly the share of automatable employment held by low - skilled workers,» the study says.

SUNSET PARK, BROOKLYN — A new study by New York State Comptroller Thomas DiNapoli found that Sunset Park and Windsor Terrace are home to rapid job and population growth — but some local officials and activists say too little is known about what kinds of jobs are being created in the area, and who is benefiting.

The Center for Puerto Rican Studies at the City University of New York estimates that Puerto Rico will lose up to 470,335 residents by the end of 2019 — about 14 percent of the population.

The CCAB notes that the Aboriginal population is the fastest growing in Canada, and cites a TD Canada Trust study released in recent years that predicted 36,000 Aboriginal businesses will contribute $ 32 billion in gross domestic product (GDP) activity by 2016.

«A 2012 study by the Pew Forum on Religion & Public Life reports that just 6 % of the US population are atheists even though the number of religiously unaffiliated has grown from 15 % to just under 20 %.»

Studies by Protestant and Catholic scholars show that one reason for the evangelicals» success is the lack of sufficient Catholic priests to serve the burgeoning population.

A comprehensive demographic study of more than 230 countries and territories conducted by the Pew Research Center's Forum on Religion & Public Life estimates that there are 5.8 billion religiously affiliated adults and children around the globe, representing 84 % of the 2010 world population of 6.9 billion.

The revolution in government presaged by an activist population policy would thus seem to be based less in politics per se than in «science,» for in the final analysis it is the field of learning known as «population studies» that provides population policy with its raison d'etre.

If the latest study on the subject by UNESCO (in 1953) is still valid, less than 10 percent of the world's population lives in countries the press of which has available to it both the western wire services and that of TASS.

Noting that the population of the earth is expected to double by the year 2000, reaching seven billion, the study adds:

A recent study from researchers at Oxford University published in the medical journal The Lancet looked at how changing weather patterns will affect the planet's ability to grow enough food to adequately feed the global population, and the results are terrifying: They predicted that because of large scale agricultural changes, 247,970 could die in China alone by the year 2050.

Over the past ten years, several institutes that study public opinion have regularly asked representative samples of the population of those over eighteen years of age whether they favored or opposed homosexual marriage and adoption of children by same - sex couples.

A 2014 study by population change think tank International Longevity Centre estimates 1.5 million men will be living alone in England and Wales by 2030.

Over the last ten years, several institutes that study public opinion have regularly asked representative samples of the population of those over eighteen years of age whether they favored or opposed homosexual marriage and adoption of children by same - sex couples.

A study done in 2000 by the American Journal of Clinical Nutrition indicates that up to 39 % of the population are possibly suffering from Vitamin B12 deficiency.

«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?

Abstinence from Kona, tobacco, and alcohol by many Adventists has afforded a near - unique opportunity for studies to be conducted within that population group on the health effects of Kona drinking, free from confounding factors.

The company designs its clinical trials to guarantee that its studies are structure / function compliant and follow strict guidelines issued by FTC, FDA, and EFSA for subject population and endpoint selection.

The weighted mean ± SD added - sugars intake of the study population was 60 ± 53 g / d or 15 % higher than that estimated by the ABS.

So the bell curve was shifted away from the mean for that population so they re-did the growth charts by doing population studies in the United States including everybody and reissued those growth charts and those became CDC growth charts.

The new study is consistent with studies in adult populations and a 2009 paper presented at the same conference which found that a delay of more than 12 weeks by athletes under the age of 14 in having ACL surgical reconstruction was linked to:

A study commissioned by the Canadian health minister suggests that maternal or newborn programmes in Ontario can maintain low caesarean section rates over time, regardless of their size, location, level of care they provide, and population they serve.

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.

there were 3 groups in that 1967 study (btw 68 kids divided into 3 groups, by no means a big study), all kids were born in poverty, so these kids couldn't represent whole population.

Parents need to understand that anecdotes have to be backed up by population studies; there is no other way to guard against biases and confounding variables.

Limitations: Conclusions from the study are limited in their application to the population of expectant fathers by the low response rate and the low numbers of low - income, ethnic - background, and indigenous fathers in the sample.

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.

Our study illustrates that a randomized intervention trial with good socioeconomic information can help assess interventions designed to improve population health not only by examining the intervention effects on primary outcomes but also by evaluating the intervention's impact on socioeconomic inequalities.

The increased socioeconomic inequalities in breastfeeding observed in the intervention group supports the argument that population intervention strategies could inadvertently exacerbate, rather than mitigate, socioeconomic inequalities, particularly when the intervention aims to change individual behaviours rather than targeting «upstream» structural changes.25 Our results are also compatible with an observational study from Brazil reporting that breastfeeding rates increased first among the socioeconomically better - off, followed by increases among the poor, over a 20 - year period of active breastfeeding promotion campaigns in Brazil.26

New studies should be large enough to include assessment and reporting of impacts by important subgroups to improve our understanding of what works for which populations.

The differences among study findings are partly explained by differences in study designs, assessment tools, study populations (13), usual maternity care practices and caregiver attitudes (14 - 16).

When logistic models were stratified by the presence or absence of hypertensive disease, only maternal age older than 34 years (odds ratio [OR], 1.4; 95 % confidence interval [CI], 1.0 - 2.0), pregnancy - associated plasma protein - A of the 95th percentile or less (OR, 1.9; 95 % CI, 1.2 - 3.1), and alpha fetoprotein of the 95th percentile or greater (OR, 2.3; 95 % CI, 1.4 - 3.8) remained statistically significantly associated for abruption.In this large, population - based cohort study, abnormal maternal aneuploidy serum analyte levels were associated with placental abruption, regardless of the presence of hypertensive disease.

Trends in the incidence and mortality of multiple births by socioeconomic deprivation and maternal age in England: population - based cohort study

«For this large cohort of women who planned midwife - led home births in the United States, outcomes are congruent with the best available data from population - based, observational studies that evaluated outcomes by intended place of birth and perinatal risk factors.

The paper is Influence of definition based versus pragmatic birth registration on international comparisons of perinatal and infant mortality: population based retrospective study, written by multiple scientists at Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance Systudy, written by multiple scientists at Fetal and Infant Health Study Group of the Canadian Perinatal Surveillance SyStudy Group of the Canadian Perinatal Surveillance System.

To examine whether improved room ventilation by use of a fan or an open window affects the risk of SIDS, we analyzed data from a population - based case - control study of risk factors for SIDS that included detailed information on sleep environment.