Results 11 to 20 of about 3,777,055 (264)

Defining phenotypes and treatment effect heterogeneity to inform acute respiratory distress syndrome and sepsis trials: secondary analyses of three RCTs

Efficacy and Mechanism Evaluation, 2021
Background: Sepsis and acute respiratory distress syndrome are two heterogeneous acute illnesses with high risk of death and for which there are many ‘statistically negative’ randomised controlled trials.
Manu Shankar-Hari, Shalini Santhakumaran, A Toby Prevost, Josie K Ward, Timothy Marshall, Claire Bradley, Carolyn S Calfee, Kevin L Delucchi, Pratik Sinha, Michael A Matthay, Jonathan Hackett, Cliona McDowell, John G Laffey, Anthony Gordon, Cecilia M O’Kane, Daniel F McAuley   +15 more
doaj   +1 more source

Class proportions and class-specific probabilities from a four-latent-class model of chronic conditions.

, 2022
Class proportions and class-specific probabilities from a four-latent-class model of chronic conditions.
Katherine Keenan (543406), Kai Hu (311882), Jo Mhairi Hale (12975436), Yang Liu (4829), Hill Kulu (7347509)   +4 more
core   +1 more source

Do Interpersonal Conflict, Aggression and Bullying at the Workplace Overlap? A Latent Class Modeling Approach

Frontiers in Psychology, 2018
In this paper, we tackle an important but unresolved research question: How distinct are workplace conflict, aggression and bullying? We study this question by means of latent class (LC) analysis using cross-industry data from 6,175 Belgian workers.
Guy Notelaers, Beatrice Van der Heijden, Beatrice Van der Heijden, Beatrice Van der Heijden, Hannes Guenter, Morten Birkeland Nielsen, Morten Birkeland Nielsen, Ståle Valvetne Einarsen   +7 more
doaj   +1 more source

Latent class analysis variable selection [PDF]

, 2009
We propose a method for selecting variables in latent class analysis, which is the most common model-based clustering method for discrete data. The method assesses a variable's usefulness for clustering by comparing two models, given the clustering ...
Nema Dean, Raftery, A. E., Adrian E. Raftery, Dean, N.   +3 more
core   +1 more source

Latent classes of delinquent behaviour associated with criminal social identity among juvenile offenders in Pakistan [PDF]

, 2015
© Emerald Group Publishing Limited. Purpose – The purpose of this paper is to examine the number and nature of latent classes of delinquency that exist among male juvenile offenders incarcerated in prisons in Pakistan.
Dhingra, Katie, Shagufta, Sonia, Palmer, Derrol, Dhingra, K, Kola-Palmer, D, Boduszek, D, Kola-Palmer, Derrol, Boduszek, Daniel, Shagufta, S   +8 more
core   +1 more source

A classification analysis of musculoskeletal complaints and its association with anxiety, depression and psychological distress: Results from a large-scale cross-sectional study of adult Iranian population

Advances in Human Biology, 2018
Objectives: The current study aimed to classify study population in homogenous groups based on musculoskeletal complaints and investigate the association of common psychological disorders with musculoskeletal complaints in a large sample of Iranian ...
Maryam Yazdi, Awat Feizi, Ammar Hassanzadeh Keshteli, Hamid Afshar, Peyman Adibi   +4 more
doaj   +1 more source

Review: Item Response Theory Models Analysis [PDF]

مجلة العلوم التجارية والبيئية
This review paper provides a comprehensive overview of Item Response Theory (IRT), its fundamental concepts in the 1940s, major models, practical applications, and recent developments, and its current status as a cornerstone of modern analysis across ...
Ahmed A. Elsheikh, Heba M Saidelahl
doaj   +1 more source

Disease comorbidities associated with chemical intolerance

Environmental Disease, 2021
Background: Chemical intolerance (CI) is characterized by multisystem symptoms initiated by a one-time high-dose or a persistent low-dose exposure to environmental toxicants.
Raymond F. Palmer, Tatjana Walker, Roger B. Perales, Rodolfo Rincon, Carlos Roberto Jaén, Claudia S. Miller   +5 more
doaj   +1 more source

Victimization Profiles, Non-Suicidal Self-Injury, Suicide Attempt, and Post-Traumatic Stress Disorder Symptomology: Application of Latent Class Analysis. [PDF]

, 2015
Few studies have incorporated multiple dimensions of victimization or examined whether victimization profiles differ by gender. Consequently, the present study sought to extend prior research by using latent class analysis (LCA) to identify naturally ...
Dhingra, Katie, Dhingra, K, Sharratt, K, Sharratt, Kathryn, Boduszek, D, Boduszek, Daniel, Sharratt, Kathryn; id_orcid   +6 more
core   +1 more source

Latent Class Growth Modelling: A Tutorial [PDF]

Tutorials in Quantitative Methods for Psychology, 2009
The present work is an introduction to Latent Class Growth Modelling (LCGM). LCGM is a semi-parametric statistical technique used to analyze longitudinal data.
Benoît Louvet, Patrick Gaudreau, Amanda Thompson, Natasha Carraro, Heather Andruff   +4 more
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