Sentences with phrase «factor analysis study»

The use of the Italian version of the Parental Bonding Instrument (PBI) in a clinical sample and in a student group: an exploratory and confirmatory factor analysis study.

My recent work includes a 12 - nation cross-cultural study and factor analyses studies of 20,000 North American adults and teenagers.

Not exact matches

The studies conducted in the late 60s that suggested fat intake was a greater risk factor for heart disease than sugar consumption were actually funded by the Sugar Research Foundation, according to a new analysis published Monday in JAMA Internal Medicine.

The DEA will now conduct its own eight - factor analysis to study the drug's potential for abuse, the current state of medical and scientific knowledge, the history and pattern of abuse, and other considerations.

To date, results from several longitudinal studies indicate that e-cigarette use among nonsmoking youth increases the likelihood of future use of conventional cigarettes.5 — 10 Specifically, the pooled odds ratio (OR) in a recent meta - analysis of studies of adolescents and young adults (aged 14 — 30) indicates that those who had ever used e-cigarettes were 3.62 times more likely to report using cigarettes at follow - up compared with those who had not used e - cigarettes.11 This finding was robust and remained significant when adjusting for known risk factors associated with cigarette smoking, including demographic, psychosocial, and behavioral variables such as cigarette susceptibility.

A review by Goldman (2005) of five studies using multivariate analyses which isolate the independent impact of fathers» involvement in children's learning on educational outcomes, clearly shows that fathers» involvement (both in terms of level and frequency) in their children's schools is a key factor that correlates with better educational outcomes for children.

In their recent meta - analysis of European case - control studies, Robert Carpenter and his colleagues (2013) note that risk factors don't just add up, they multiply.

They also took into account mother's age, the baby's birth weight, the position the baby was last left in and other important factors, but they only had the data on the mother's alcohol and illegal drug usage for two of the five studies — a pretty significant limitation to the overall analysis.

Several studies have also attempted to understand the role of breastfeeding on IQ, and although some authors conclude that the observed advantage of breastfeeding on IQ is related only to genetic and socioenvironmental factors, a recent meta - analysis showed that after adjustment for appropriate key co-factors, breastfeeding was associated with significantly higher scores for cognitive development than formula feeding.6 Longer duration of breastfeeding has also been positively associated with intelligence in adulthood.22 We also observed the benefits of long - term breastfeeding on mental indices, along with the indirect benefit of balancing the impact of exposure to p, p ′ DDE after adjustment for some socioeconomic variables.

To determine whether the presence and strength of the associations between individual risk factors and severe PPH vary among women undergoing prelabor CD or intrapartum CD, stratified analyses are needed according to CD subtype.To identify risk factors for severe PPH within 2 distinct CD populations, prelabor CD and intrapartum CD, we performed 2 case - control studies.

Based on the collected data and on an analysis of factors surrounding home and hospital based birth, the study's researchers suggest a number of potential reasons for the stronger association between breastfeeding and home birth:

† Because many of the case - control studies demonstrated a protective effect of breastfeeding against SIDS in univariate analysis but not when confounding factors were taken into account, 62,184,198,231,238 these results suggested that factors associated with breastfeeding, rather than breastfeeding itself, are protective.

In the meta - regression analyses, studies controlling for socioeconomic factors showed smaller systolic blood pressure differences between breast - and bottle - fed subjects.

In meta - regression analysis, there was weak evidence that studies not controlling for socioeconomic factors (pooled difference: — 2.0 mmHg) had mean differences in blood pressure 1.4 mmHg higher (95 percent CI: — 0.6, 3.3; p = 0.17) than in studies controlling for socioeconomic factors (pooled difference: — 0.9 mmHg).

To capture the respondents» preferences and their dimensions as the dependent variables of this study, principal factor analysis (PFA) was applied on the 24 items of the questionnaire.

We found little evidence that between - study heterogeneity in estimates was explained by age at measurement of blood pressure (p = 0.5), decade of birth (p = 0.2), stipulation of a minimum duration of breastfeeding (p = 0.5), proportion of the target population in the main analysis (p = 0.2), whether breastfeeding was exclusive for at least 2 months (p = 0.2), method of blood pressure measurement (p = 0.4), or whether effect estimates controlled for socioeconomic factors (p = 0.9), maternal factors in pregnancy (p = 0.9), or current weight (p = 0.9).

Just this morning, supporters of the bill released a counter analysis of the city's living wage study, which argued its modeling did not rule out other factors that could affect job growth (like an economic downturn).

The authors note that while the sample size of the meta - analyses was large (123,132 to 260,861 participants in different studies), they used only GWAS summary statistics and can not estimate all genetic variance factors; some studies also used different methodologies.

Uzay Kirbiyik conducted a study of risk factors associated with drivers» survival in head - on vehicle collisions by examining Fatality Analysis Reporting System database records in 1,108 crashes.

Although the team controlled for these factors in the analyses, the possibility of a partial confounding effect on the associations identified in the study can not be ruled out.

«The Dam Impact Analysis Model enables us to see what happens when you change one factor, like marine or freshwater survival,» said Julie Nieland, a researcher at NEFSC's laboratory in Woods Hole, Mass. and lead author of the study.

«Our analysis shows that having access to firearms is a significant risk factor for men committing suicide and for women being victims of homicide,» said Andrew Anglemyer, PhD, MPH, an expert in study design and data analytics in Clinical Pharmacy and Global Health Sciences at UCSF, who is also a U.S. Army veteran.

The finding is from a new computer science study that applied survival analysis to examine the factors that prompt Bitcoin currency exchanges to close.

Source: «Trends in adult body - mass index in 200 countries from 1975 to 2014: a pooled analysis of 1698 population - based measurement studies with 19.2 million participants,» by NCD Risk Factor Collaboration (NCD - RisC) in The Lancet, Vol.

Although prior twin studies had hinted that nonheritable factors contribute to some autoimmune disorders, such as multiple sclerosis, the recent analysis was one of the first to quantify genetic and environmental effects on the general immune system.

And further analyses revealed that the classroom improvement effect was not influenced by various individual - and classroom - level factors, including student race, student intervention condition, and teacher team, in either study.

Diamond acknowledges that many other factors are involved in the long history of this island but that the comparative method, he writes, consists of comparing — preferably quantitatively and aided by statistical analyses — different systems that are similar in many respects but that differ with respect to the factors whose influence one wishes to study.

Women's heart disease risk was more than doubled with one cigarette per day, when only studies that controlled for several factors were included in the analysis.

«Our analysis demonstrates the need to assess multiple variables simultaneously when studying ecogeographical rules in a broadly distributed species like the common treeshrew, as multiple factors may have influenced how populations evolved.»

This study, performed as an analysis of all 161,967 UK treatment cycles reported to the HFEA between 2000 and 2012, aimed to discover if the advance in ART techniques in the past few years had affected the incidence of ectopic pregnancy, and what its risk factors in ART might be.

Further analyses of the DASH study show that among several diets tested, one also cut two additional heart - disease risk factors, blood concentrations of folate and homocysteine.

The new study — published October 18, 2016 in the journal Molecular Psychiatry — combined genetic analysis of more than 9,000 human psychiatric patients with brain imaging, electrophysiology, and pharmacological experiments in mutant mice to suggest that mutations in the gene DIXDC1 may act as a general risk factor for psychiatric disease by interfering with the way the brain regulates connections between neurons.

In the analysis of 23 relevant studies, investigators found that many clinicians are broadly informed about the risk to their patients» fertility brought about by cancer treatment, but many factors hinder the appropriate discussions and referrals needed to provide adequate fertility support to patients of reproductive age.

Professor Cyrus Cooper, Professor of Rheumatology and Director of the MRC Lifecourse Epidemiology Unit, University of Southampton, added: «This study forms part of a larger programme of work addressing risk factors for fracture across the lifecourse, and demonstrates the importance of the University of Southampton and MRC Lifecourse Epidemiology Unit in leading large, UK wide analyses on the internationally leading UK Clinical Practice Research Datalink dataset.

The findings come from an analysis of data from the Study of Osteoporotic Fractures that assessed bone mineral density and risk factors in 7,959 older women from 1987 to 1989.

The study found that language analyses may predict heart disease risk as well or better than traditional epidemiological risk factors.

This meta - analysis reinforced previous findings that feedback is effective in producing energy savings but results varied significantly from study to study so researchers broke down each study's moderating factors (i.e., feedback methods, length of feedback, etc.) to help figure out which types of feedback are most effective.

The analysis of existing international studies, which has been published in the European Heart Journal, suggests that there are a number of factors that prevent members of the public from using them and potentially saving lives.

One of the study's important goals was to understand the genetic factors that contribute to obesity so that better treatment plans could be developed for obese people, and the researchers write that there is a specific need for more in - depth analysis of obesity in Asians and Asian - Americans.

In basic analyses reported in the paper, there were several other factors in the study that also predicted a greater likelihood of adopting PrEP: older age, higher perception of HIV risk, sex (either protected or not) with partners outside the main relationship, and having less than a bachelor's degree level of education.

The Faris study is part of an ongoing prospective process - of - care analysis to examine factors associated with deviation from optimal care delivery for both surgical and non-surgical patients.

The researchers said other factors, in addition to better air quality, could also contribute to the drops in death rates from respiratory diseases — a limitation of any retrospective analysis of health - environmental associations in ecological studies.

Using time series and correlation analyses, she studies how factors such as the glass quality, the age of the tools and their coatings, and the oxygen partial pressure in the machine affect the quality of the finished lens.

The new policy of NIH application instructions will follow this consideration and is expecting that «sex as a biological variable will be factored into research design, analyses and reporting in vertebrate animal and human studies».

Analysis for the Upper Missouri River Headwaters Study quantified climate factors impacting annual streamflow variability for a number of important watersheds in Montana (USGS undated; analysis contributed by Connie Woodhouse, University of AAnalysis for the Upper Missouri River Headwaters Study quantified climate factors impacting annual streamflow variability for a number of important watersheds in Montana (USGS undated; analysis contributed by Connie Woodhouse, University of Aanalysis contributed by Connie Woodhouse, University of Arizona).

The results of the study show that hereditary factors play a significant role for more than 75 per cent of the proteins, and a detailed genetic analysis demonstrates 16 genes with a strong effect on protein levels.

December 4, 2004 A deCODE study just published in Public Library of Science (PloS) Medicine provides the most comprehensive analyses to date of the importance of inherited risk factors for the most common forms of cancer.

Lifecourse socioeconomic status and cancer - related risk factors: Analysis of the WHO study on global ageing and adult health (SAGE).

Elevated plasma TG levels represent a risk factor for CVD in humans, and an adjusted analysis of patients in the Framingham Heart Study suggests that each decrease of 1 mg / dl in plasma ApoC - III levels is associated with a 4 % decrease in CVD risk (11), further supporting the potential therapeutic benefit of suppressing plasma ApoC - III levels in humans to reduce CVD.

Nightingale's comprehensive blood biomarker analysis also supports the study of molecular signatures for risk factors, as well as the effects of dietary and drug interventions.