Results 21 to 30 of about 1,474,254 (309)

Marginal Structural Models with Counterfactual Effect Modifiers [PDF]

open access: yesThe International Journal of Biostatistics, 2018
Abstract In health and social sciences, research questions often involve systematic assessment of the modification of treatment causal effect by patient characteristics. In longitudinal settings, time-varying or post-intervention effect modifiers are also of interest.
Zheng, Wenjing   +2 more
openaire   +3 more sources

Heterogeneity and efficiency of food processing companies in the Czech Republic

open access: yesAgricultural Economics (AGRICECON), 2017
In the paper, the observed heterogeneity and technical efficiency of Czech food processing companies are investigated. Recent studies proved that food processing firms' heterogeneity can influence the result of the efficiency estimation.
Tamara RUDINSKAYA
doaj   +1 more source

Identification of PIK3CA multigene mutation patterns associated with superior prognosis in stomach cancer

open access: yesBMC Cancer, 2021
Background PIK3CA is the second most frequently mutated gene in cancers and is extensively studied for its role in promoting cancer cell resistance to chemotherapy or targeted therapy.
Yu Yu   +3 more
doaj   +1 more source

A generalized linear mixed model for longitudinal binary data with a marginal logit link function [PDF]

open access: yes, 2011
Longitudinal studies of a binary outcome are common in the health, social, and behavioral sciences. In general, a feature of random effects logistic regression models for longitudinal binary data is that the marginal functional form, when integrated over
Fitzmaurice, Garrett M.   +6 more
core   +3 more sources

Why would Romanian migrants from Western Europe return to their country of origin? [PDF]

open access: yesEastern Journal of European Studies, 2020
After conducting a survey among Romanian individuals left abroad, we analyze the particular influences relating to their intentions to return to their country of origin.
Aurelian-Petruş PLOPEANU   +1 more
doaj  

Estimating marginal treatment effects under unobserved group heterogeneity

open access: yesJournal of Causal Inference, 2022
This article studies the treatment effect models in which individuals are classified into unobserved groups based on heterogeneous treatment rules. By using a finite mixture approach, we propose a marginal treatment effect (MTE) framework in which the ...
Hoshino Tadao, Yanagi Takahide
doaj   +1 more source

Do Family Physicians’ Recommendations for Influenza and Pneumococcal Vaccines Impact the Elderly Aged ≥60 Years? A Cross-Sectional Study in Six Chinese Cities

open access: yesVaccines
Background: Influenza vaccine and pneumococcal vaccine are essential to protect the health of older adults. This study focuses on the impact of family physicians’ recommendations on influenza and pneumococcal vaccine uptake among urban Chinese older ...
Yuxing Wang   +11 more
doaj   +1 more source

Climate change effects on marginal savannas from central-north Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2022
This study estimated the potential effects of climate change on peripheral plant diversity by predicting the distribution of species from Cerrado of Northern Brazil.
JOXLEIDE M. DA COSTA-COUTINHO   +3 more
doaj   +1 more source

Satisfacción laboral de los asalariados en España || Job Satisfaction of Employees in Spain [PDF]

open access: yesRevista de Métodos Cuantitativos para la Economía y la Empresa, 2012
El objetivo de este trabajo es identificar los factores determinantes del nivel de satisfacción laboral de los asalariados en España, haciendo especial hincapié en las diferencias de género y de nacionalidad.
Rico Belda, Paz
doaj  

More is exponentially less: marginal utility in critical care research

open access: yesJournal of Evidence-Based Healthcare, 2022
BACKGROUND: Randomized clinical trials (RCT) in critical care mostly return negative results. The research community discusses strategies to improve RCTs design.
Rafael Olivé Leite
doaj   +1 more source

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