Results effects multilevel analysis. Medical search. Frequent questions

Multilevel regression analysis with a mixed effects model identified factors associated with applicability. (bmj.com)
Method Multiple regression analysis was used to estimate the impact of determinants on community mental health outcomes for men and women using community level data from up to 113 health regions covering almost the entire population in Canada. (ispub.com)
The results of the multilevel regression analysis were presented as adjusted odds ratios (aOR) with 95% confidence intervals (CIs). (biomedcentral.com)

Objectives To describe variation in outcomes between consultants, compare the number of outlying consultants according to different measures, explore the effect that the hospital in which a consultant works has on their outcomes and determine the scope for improving outcomes by reducing variation between consultants. (bmj.com)
fixed-effects and multilevel models to assess consultant outcomes, were all compared. (bmj.com)
Multilevel analyses revealed significant intervention effects for two of the seven outcomes. (ojp.gov)
Nonlinear mixed-effects models enable simultaneous modeling of individual differences in growth outcomes and timing. (wikipedia.org)
Also, communities with higher proportion of low income persons show poorer results for many objective mental health outcomes. (ispub.com)
Results for investment in children's education and their educational outcomes were mixed, although children removed from crisis situations did more poorly than children removed for aspirational reasons. (philpapers.org)
Analyses must contend with the scale of the outcomes (continuous, categorical, or count data), changes over time independent of treatment, carryover of treatment effects from one period into the next, (auto)correlation of measurements, premature end-of-treatment periods, and modes of inference (Bayesian or frequentist). (ahrq.gov)
Multilevel analysis found that the positive effects of staff perceiving equal opportunities on employee outcomes were especially strong, as were the negative effects of aggression and discrimination. (whiterose.ac.uk)
Our results show that the program expedited participant exit from UI, produced UI savings that exceeded program costs, and improved participant employment outcomes. (iab.de)

Based on the simulation, part I focuses on how to transform variables and prepare data for the mediation analysis. (r-project.org)
Part II walks through functions of the multilevel mediation analysis and Part III explains how to make inferences on multilevel mediation effects. (r-project.org)
The \(data.org\) function is used to do the transformation before the mediation analysis. (r-project.org)
Mediation analyses were performed using multi-level regression analyses (child-school-country). (uni-muenchen.de)
Change in WAI scores were assessed using segmented multilevel linear growth models, and mediation was explored through path analysis. (lu.se)
A multilevel analysis of mediation was employed to examine the relationship between these variables, controlling for the effect of employee division. (bvsalud.org)
The results indicate that job satisfaction exhibits a total mediation in the relationship between role ambiguity and OCB of public employees. (bvsalud.org)

Analyses are conducted using multi-level logistic regressions with random community-level effects. (biomedcentral.com)
The described hypotheses are tested by using multinomial and multilevel logistic regressions and two complementary datasets-European Values Studies and the Life in Transition Survey. (springer.com)

We conducted multilevel modeling using Stata 14 for data analysis. (who.int)
The analyses were carried out using Stata version 14.2. (biomedcentral.com)

Moreover, the demographic transition is unlikely to result in an asset price meltdown and could even raise world interest rates under perfect capital mobility. (repec.org)
The course will present essential methods for demographic analysis with a focus on decomposition techniques. (eaps.nl)

Comparisons between narrative synthesis and meta-analysis as synthesis methods in systematic reviews are uncommon within the same systematic review. (biomedcentral.com)
However, there were several trade-offs between analysis methods in the types and bodies of evidence each one contained and in the difference between partial precision and breadth of conclusions. (biomedcentral.com)
Analysis methods were different in respect of the role of judgement and contextual variation and in terms of estimation and unexpected effect modification. (biomedcentral.com)
In addition, we noted that analysis methods were different in how they accounted for heterogeneity and consistency. (biomedcentral.com)
The debate on the relative merits of narrative synthesis and meta-analysis is a well-rehearsed one in the field of systematic review methods [ 1 ]. (biomedcentral.com)
When the model is only nonlinear in fixed effects and the random effects are Gaussian, maximum-likelihood estimation can be done using nonlinear least squares methods, although asymptotic properties of estimators and test statistics may differ from the conventional general linear model. (wikipedia.org)
In the more general setting, there exist several methods for doing maximum-likelihood estimation or maximum a posteriori estimation in certain classes of nonlinear mixed-effects models - typically under the assumption of normally distributed random variables. (wikipedia.org)
A popular approach is the Lindstrom-Bates algorithm which relies on iteratively optimizing a nonlinear problem, locally linearizing the model around this optimum and then employing conventional methods from linear mixed-effects models to do maximum likelihood estimation. (wikipedia.org)
Methods - Cross-sectional data from the Global Youth Tobacco Survey conducted in Cambodia (2002), Laos (2003) and Vietnam (2003) are used to conduct multilevel analyses that account for the nesting of students in classes and classes in schools. (repec.org)
Methods: This study included 39 OSA patients who underwent Multilevel Sleep Surgery (MLS). (preprints.org)
Methods Race times of the fastest female and male swimmers competing with and without wetsuit were compared using multi-level regression analyses and analysis of variance. (uzh.ch)
Several analytical methods were used, including multilevel analysis, mediated regression, latent growth curve modelling and cross-lagged correlation analysis. (whiterose.ac.uk)

We used a multilevel mixed effects Poisson regression to find the predictors of seropositivity. (who.int)

In the mixed effects model, random intercepts of the country and parallel of latitude were applied as 3 levels of the model (prevalence rate of each study, nested within countries and latitude parallel). (who.int)

We performed multilevel analyses to study the interaction effects between time and condition. (jmir.org)
We used multilevel modeling to test the effects of the following in predicting effectiveness: fear, disgust, the fear-disgust interaction, the advertisement, and the participant's sex and smoking status. (cdc.gov)
Consultations were video-recorded and analyzed using the Roter interaction analysis system. (nivel.nl)
CI=.01-.13), but did not result in a significant interaction of supervisor positive spillover with FSSB on employee sleep adequacy (B=.05, p=.336, CI=-.05- .15). (cdc.gov)

Further, the module will devote time to specific applications, such as repeated measures (panel data analysis) or non-linear models, and the Bayesian approach to multilevel analysis. (eaps.nl)
Students who complete this course will learn how to define Bayesian hierarchical models, hierarchical models for meta analysis, and hierarchical Bayesian regression models. (statistics.com)
They will explore computing options (BUGS and R) and Winbugs implementation for various Bayesian analyses. (statistics.com)
Statistical analysts with some familiarity with Bayesian analysis who want to deepen their skill set in Bayesian modeling. (statistics.com)
His research interests include spatial data analysis, Bayesian statistics, latent variable models, and epidemiology. (statistics.com)
Benefits from "borrowing strength" using Bayesian random effect models. (statistics.com)

Through a multivariate analysis of data, we concluded that these variations are related, as we expected, to such characteristics of the municipalities as population, poverty levels and political competition, and to such individual attributes of councilors as ideology and position in relation to the executive branch. (scielo.br)

The aim was to examine the mediating role of family-related factors on the effects of the school-based family-focused UP4FUN intervention aimed at screen time in 10- to 12-year-old European children (n child--parent dyads = 1940). (uni-muenchen.de)
However, the measured family-related factors did not mediate intervention effects on children's TV and computer/game console use, because the intervention was not successful in changing these family-related factors. (uni-muenchen.de)
No statistically significant intervention effect was found. (bmj.com)
In both groups, the mean sick leave frequency slightly decreased over time (intervention effects were not significant). (bmj.com)
Narrative synthesis has also been deemed to be susceptible to 'vote counting', which, in its most unreliable form, involves tallying the number of statistically significant results in each direction to decide whether on balance an intervention is effective or not-which is more often than not misleading [ 5 ]. (biomedcentral.com)
Effect of a multifaceted clinical pharmacist intervention on medication safety after hospitalization in persons prescribed high-risk medications: a randomized clinical trial. (ahrq.gov)
An article on the formative data collection and analysis that informed the development of a multilevel intervention to bridge health communication between workers and management to reduce mine worker overexposure to respirable silica dust. (cdc.gov)

Nonlinear mixed-effects models constitute a class of statistical models generalizing linear mixed-effects models. (wikipedia.org)
Like linear mixed-effects models, they are particularly useful in settings where there are multiple measurements within the same statistical units or when there are dependencies between measurements on related statistical units. (wikipedia.org)
The issues discussed include special features of experimental design, data collection strategies, and statistical analysis. (ahrq.gov)

We conducted a secondary analysis of the results of a meta-analysis of the seroprevalence of CCHF published in 2019. (who.int)

A multilevel meta-analysis with a robust random effects meta-regression model was used to pool the standardized mean differences (SMD) between FR and no-exercise (NEX) as well as FR and stretching. (nih.gov)
Although the few individual study findings suggest that FR with vibration may be more effective than NEX or FR without vibration, the pooled results did not reveal significant differences (SMD: 6.75, 95% CI - 76.4 to 89.9, p = 0.49 and SMD: 0.66, 95% CI - 1.5 to 2.8, p = 0.32). (nih.gov)
Follow-up analyses examined differences in ratings of fear, disgust, and effectiveness. (cdc.gov)
Since no differences between the nutrition-only and the control groups were found, they were combined in further analyses. (confex.com)

In contrast, narrative synthesis, which involves a descriptive analysis to highlight similarities in findings in included studies and characteristics, can highlight these contextual patterns but relies to a greater extent on researcher judgement [ 4 ]. (biomedcentral.com)
Descriptive (frequencies and percentages) and multilevel regression analyses were carried out. (biomedcentral.com)

However, data syntheses pooling the effect sizes across studies are scarce. (nih.gov)
Previous work by our group comparing narrative syntheses and meta-analyses has suggested that these two approaches may be answering different questions via different approaches, rather than answering the same questions using the typically preferred method (meta-analysis) or its 'backup' (narrative synthesis) [ 1 ]. (biomedcentral.com)

Meta-analysis may also be underused in systematic reviews due to concerns about heterogeneity and the suitability of the evidence for meta-analysis, even if a meta-analysis would be of utility in understanding heterogeneity and an 'average' effect [ 6 ]. (biomedcentral.com)

Because of the hierarchical nature of the DHS data, a spatial analysis multilevel logistic regression model was used to study individual and community-level factors that may influence contraceptives. (frontiersin.org)
This module will teach you a basic conceptual understanding of the multilevel (also known as mixed or hierarchical) analysis. (eaps.nl)

The course will also begin to explore how the theory of survival analysis can be developed in terms of population models. (eaps.nl)

The influence of the possible effect modifiers treatment duration, speed, targeted muscle, testing mode (active/passive ROM), sex, BMI, and study design was examined in a moderator analysis. (nih.gov)
Despite reporting increasing trends for seroprevalence of CCHF in previous reviews and the fixed effects model of the present study, the secondary mixed effects modeling showed a decreasing trend. (who.int)
4 A large study of emergency admissions to New South Wales hospitals 5 suggests that the weekend effect might be specific to some diagnoses and procedure groups only, and many studies report higher mortality for emergency patients admitted with some specific diagnoses on a weekend. (bmj.com)
This study aimed to investigate the effects of the Proactive Interdisciplinary Self-Management (PRISMA) training program on participation during consultations with practice nurses and self-efficacy of patients with T2DM in general practice. (nivel.nl)
Results Study findings indicate that communities with higher proportions of aboriginal people have greater mental illness hospitalization. (ispub.com)
This study examines the day-of-the-week effects in the Taiwan, Singapore, Hong Kong and South Korea stock markets. (repec.org)
Besides, this study also finds evidences of risk and return tradeoff as well as asymmetrical market effects. (repec.org)
This study aimed to examine the mediating effect of job satisfaction in the relationship between role ambiguity and organizational citizenship behavior (OCB) according to the "HEalthy and Resilient Organization" model in two local corporations. (bvsalud.org)
A study to compare the effects of particles generated by engine fueled with neat biodiesel and neat petroleum-based diesel. (cdc.gov)
Effect of smoking regulations in local restaurants environment: a pilot study: evaluating the Al-Delaimy WK (2002). (who.int)
A study by Hull et al found that initiation of therapy within 8 hours of surgery had the greatest effect. (medscape.com)

Nonlinear mixed-effects models are applied in many fields including medicine, public health, pharmacology, and ecology. (wikipedia.org)
Nonlinear mixed-effects models have been used for modeling progression of disease. (wikipedia.org)

The spatial analysis of contraceptive usage discovered that the northern, central and southern parts of the country had higher utilization of contraceptives than the eastern and northeastern of the country. (frontiersin.org)
Multi-level spatial analysis was performed to examine the impacts of tobacco jurisdiction variations, youth smoking rates and neighbourhood social characteristics on RVRm. (bmj.com)

In the fixed effects model, time was significantly associated with increased seropositivity (IRR = 1.025, 95% CI = 1.021-1.030), and no significant association was found for local sampling (IRR = 1.026, 95% CI = 0.988-1.065). (who.int)
The multilevel generalized model is recommended for such temporal and spatial designs in the future. (who.int)
A multilevel logistic regression model was used at 5% level of significance to determine the individual- and community-level factors associated with childhood stunting. (biomedcentral.com)
It will cover theoretical fundamentals of the multilevel approach to the data and show potential applications, paying particular attention to the solid understanding of key concepts (such as levels, fixed and random coefficients, variability or shrinkage), reasonable approach to model building, and interpretation of the results. (eaps.nl)
We use the model to quantitatively assess the consequences of such employer behaviour for job finding rates and long-term unemployment and find only modest effects given the large decline in callbacks. (iab.de)
Primary symptoms are similar to those of other mixed-effects model was constructed, with adjustment viral diseases, and include fever, headache, myalgia, for possible confounding or random effects, to analyse the and gastrointestinal symptoms, with haemorrhagic time trend in CCHF seropositivity. (who.int)
Evelien Snippe (University of Groningen) - The multilevel vector autoregressive (VAR) model: gaining insight in bi-directional temporal associations (February 10) [ Presentation ]. (lu.se)

Results of a two-year cluster-randomized clinical trial of Second Step Middle School Program on reducing aggression and victimization are presented. (ojp.gov)
Understanding the types and effects of clinical interruptions and distractions recorded in a multihospital patient safety reporting system. (ahrq.gov)

Emergency admissions to the six Australian hospitals showed no daily variation in adjusted 30-day mortality, but showed a weekend effect at 7 days post emergency admission (OR 1.12, 95% CI 1.04 to 1.22 on Saturday). (bmj.com)
Some relationships between staff experience and turnover, and some between staff experience and patient mortality, were also found (and a few with infection rates), with longitudinal analysis comparatively unclear about the direction of causality. (whiterose.ac.uk)

Multi-level analysis showed a greater proportion of Reluctant Delegators clustered in one of the two groups of schools. (springer.com)
Correlational and multi-level analyses of daily self-assessment data revealed that several task exposures were significantly related to daily fatigue and/or pain. (cdc.gov)

Multilevel analyses of variations in the perceptions of social cohesion amongst Europeans were conducted for 27 member countries of the EU using the Eurobarometer 74.1 on poverty and social exclusion from 2010. (ssrn.com)

The proportion of consultants worse than expected is less with random-effects models. (bmj.com)
To assess the association between park access and HBP, we built multilevel logistic models to account for variation in HBP by zip code. (cdc.gov)
For three survey periods, multilevel binary logistic regression models were employed. (bvsalud.org)
Issues related to contextual effects, within-between models, and cross-level interactions will also be discussed. (eaps.nl)
To assess the association between park ac- cess and HBP, we built multilevel logistic models to account for Suggested citation for this article: Kjelstrom S, Hass RW, variation in HBP by zip code. (cdc.gov)

multilevel meta-analysis or not. (ethz.ch)
A recent meta-analysis [ 16 ] demonstrated that Internet-delivered CBT-I showed large treatment effects (Cohen d =1.0) on the Insomnia Severity Index (ISI). (jmir.org)
We used multilevel meta-analysis to account for clustering of effect sizes within studies. (biomedcentral.com)
Of the 19 studies reporting results on attractiveness, seven studies that included between-subjects analyses could be included in the meta-analysis. (biomedcentral.com)
The meta-analysis found, similar to the narrative synthesis, that respondents typically rated plain packaging as less attractive than alternative (e.g. branded) tobacco packs. (biomedcentral.com)
[ 3 ] A meta-analysis demonstrated a significant increase in the relative risk of implant failure in patients who smoked more than 20 cigarettes per day compared with nonsmokers. (medscape.com)
[ 4 ] A meta-analysis by Mustapha et al concluded that the failure rate of dental implants in smokers was 140.2% higher than the failure rate in nonsmokers. (medscape.com)

To quantify the immediate effects of FR on ROM in healthy adults. (nih.gov)

We examined the effect modification of perceptions of park access (having a neighborhood park, not having a neighborhood park, or having a neighborhood park but not comfortable visiting it) and HBP by race, education, and poverty status. (cdc.gov)
It is hypothesised that those who experience improvements in socio-economic status through social mobility are more likely to blame poverty on individual characteristics such as laziness and lack of willpower and are less likely to attribute failure to injustice in society, and on the macro-level, the effect of social mobility on perceptions of popular explanations of poverty is moderated by contextual environment. (springer.com)
Further analysis revealed that the experience of economic strain does not weaken the positive relationship between social services quality and perceptions of cohesion. (ssrn.com)

Conclusions These results suggest that wearing a wetsuit had a positive influence on swimming speed for both women and men but the benefit of the use of wetsuits seemed to depend on additional factors (i.e. race distance). (uzh.ch)

Reporting of health information technology system-related patient safety incidents: the effects of organizational justice. (ahrq.gov)

We re-analysed a systematic review on the effects of plain packaging of tobacco on attractiveness. (biomedcentral.com)

In addition, I also consider the effects of both objective intergenerational occupational mobility and subjective self-reported mobility experience on attitudes towards poverty determinants. (springer.com)
Objective: The effects of panic-specific psychotherapy on occupational functioning remain under-researched. (lu.se)
Our objective was to evaluate the effect of surgery on the plasma metabolome. (preprints.org)

An article describing the results of a field test to verify the effectiveness of MERV 16 filters in the enclosed cab filtration systems on a face drill and roof bolting mining machine, which were tested at an underground limestone mine. (cdc.gov)

Factors influencing and changes in childhood vaccination coverage over time in Bangladesh: a multilevel mixed-effects analysis. (bvsalud.org)
A questionnaire method for measuring propensities for sexual excitation and inhibition has been developed (SIS/SES questionnaire), resulting in one excitation factor (SES) and two inhibition factors (SIS1 and SIS2). (researchgate.net)
Results: Almost all TV-specific and half of the computer-specific family-related factors were associated with children's screen time. (uni-muenchen.de)
Bi-variable and multivariable multilevel logistic regression analyses were performed to determine factors affecting current khat chewing. (biomedcentral.com)
Cervical spondylotic myelopathy occurs as a result of several important pathophysiological factors. (medscape.com)

Abu-Farha, M. Targeted Metabolomics Analysis on Obstructive Sleep Apnea Patients after Multilevel Sleep Surgery. (preprints.org)
Treatment of OSA resulted in improvement in metabolic status that was characterized by decreased TG, PCs and Cer metabolites post-surgery indicating that the success of the surgery positively impacted the metabolic status of these patients. (preprints.org)

Though the latter can provide evidence relating to average effect and associated imprecision of that effect, it may obscure contextual patterns in the data [ 3 ]. (biomedcentral.com)
This article explores the contextual, team level variables important for fostering mindful organizing, how individuals and teams engage mindful organizing to ensure safety, and the mediating effect of mindful organizing between safety climate and individual safety behavior. (ahrq.gov)

Considering the adverse health effects and the relation of obesity and screen time in childhood, efforts to affect screen use in children are warranted. (uni-muenchen.de)
Effect of social influences on pharmacists' intention to report adverse drug events. (ahrq.gov)
and adverse health effects. (thecommunityguide.org)
Public health practitioners should consider the adverse effects of racial discrimination on minority health. (cdc.gov)

Subgroup analyses by age, sex, race/ethnicity, socioeconomic status, and smoking status support the concept that advertisements depicting the health harms of smoking, especially those using graphic imagery, are potentially more effective than neutral or positive advertisements (4-6,8-13). (cdc.gov)

Using multilevel regression analyses we explored the effects of practice organisation on CVRM, controlling for patient characteristics. (bmj.com)
Individual-level and country-level characteristics associated with SHA exposure were also explored using multilevel logistic regression analyses. (bmj.com)

Designing safety interventions for specific contexts: results from a literature review. (ahrq.gov)

Results In the 'Marathon Swim' in Lake Zurich, wearing a wetsuit had no effect on race time regarding the gender where athletes wearing a wetsuit were not faster than athletes without wetsuit. (uzh.ch)
Analyses of program effects on the UI exit likelihood show that the program's effects are partly associated with increased participant exit up through the time when program activities were scheduled, reflecting voluntary exit of participants from UI to avoid program activities and disqualifications of participants who failed to meet eligibility requirements. (iab.de)
Despite promising results, the time, cost, and oversight from a university research team may pose barriers to adoption of coaching programs like MTPS at scale. (frontiersin.org)

Longitudinal studies are needed to examine the sequence of individual patterns of tobacco product use and to identify whether polytobacco use results in greater nicotine dependence, increased exposure to harmful and potentially harmful constituents and/or greater risk of tobacco related disease. (who.int)
Introduction Exposure to secondhand aerosol from e-cigarette (SHA) may pose harmful effects to bystanders. (bmj.com)

The results constitute a rare and valuable dataset providing insights into the daily routines of local councilors that allows for testing of various current hypotheses on the determinants of clientelist behavior. (scielo.br)
Intragroup individual-level analyses provide insights into the mechanisms that account for the group-level results by showing that lower conformity in groups facilitates efficient adaptability in the use of social information. (philpapers.org)

This research provides evidence regarding the causal effect of group conformity on task performance in stable and variable environments. (philpapers.org)

However, positive spillover, or the transfer of positive affect between work and family domains, has been shown to have enriching effects on physical health. (cdc.gov)
Our results contribute to an emerging body of literature documenting the negative consequences of prejudice for population health. (aidph.org)

The paper puts a special focus on methodological issues of data analysis, especially with regard to coding decisions resulting from the form-function interface of linguistic structures. (researchgate.net)

Multilevel regression did not support SAR differing significantly by whether the most recent contact occurred before or after the index case-patient's onset of illness (p = 0.66). (cdc.gov)

No direct effect of FSSB on sleep duration was found (B=.03. (cdc.gov)
The effect of supervisor positive spillover on employee sleep duration was strongest when employee reports of FSSB were high. (cdc.gov)
The timing and duration of pharmacologic prophylaxis have also been determined to exert a significant effect the development of DVT. (medscape.com)

Analytical, Diagnostic and Therapeutic Techniques and Equipment17

Psychiatry and Psychology12

Phenomena and Processes4

Disciplines and Occupations2

Anthropology, Education, Sociology and Social Phenomena17

Information Science3

Named Groups2

Health Care43

Geographicals7

Regression analysis3

Outcomes9

Mediation7

Logistic regressions2

Stata2

Demographic2

Methods12

Poisson1

Prevalence1

Interaction4

Bayesian6

Multivariate1

Intervention7

Statistical3

20191

Differences4

Descriptive2

Syntheses2

Heterogeneity1

Hierarchical2

Survival Analysis1

Study11

Nonlinear2

Spatial analysis2

Model7

Clinical2

Mortality2

Multi-level2

Variations1

Models5

Meta-Analysis7

Adults1

Perceptions3

Conclusions1

Organizational1

Systematic Review1

Objective3

Effectiveness1

Factors5

Surgery2

Contextual2

Adverse4

Socioeconomic1

Characteristics2

Contexts1

Time3

Exposure2

Insights2

Causal1

Health2

Data analysis1

Significantly1

Duration3