Testing Statistical Interaction

2011 ◽  
pp. 119-137
Keyword(s):  
Statistical Interaction

scholarly journals Evaluation of removable statistical interaction for binary traits

2012 ◽  
Vol 32 (7) ◽  
pp. 1164-1190 ◽  
Author(s):  
Jaya M. Satagopan ◽  
Robert C. Elston
Keyword(s):  
Statistical Interaction ◽  
Binary Traits

scholarly journals Statistical Interaction Model for Exchangeability of Food Folates in a Rat Growth Bioassay

1996 ◽  
Vol 126 (10) ◽  
pp. 2585-2592 ◽  
Author(s):  
Hans-Georg Müller ◽  
Matthew R. Facer ◽  
Nathan D. Bills ◽  
Andrew J. Clifford
Keyword(s):  
Interaction Model ◽  
Statistical Interaction ◽  
Rat Growth

Psychopathy as an Emergent Interpersonal Syndrome: What Is the Function of Fearlessness?

2019 ◽  
Vol 33 (5) ◽  
pp. 633-639 ◽  
Author(s):  
Susan C. South
Keyword(s):  
Personality Disorders ◽  
Quantitative Data ◽  
Personality Pathology ◽  
Symptom Dimensions ◽  
Statistical Interaction ◽  
Statistical Interactions ◽  
The Individual

Lilienfeld and colleagues (this issue) propose that some personality disorders can be conceptualized as emergent interpersonal syndromes (EIS). An EIS elicits negative interpersonal reactions in others. Further, an EIS results from statistical interactions between symptom dimensions that are uncorrelated. As a prototypical EIS, psychopathy is an interaction between boldness (or fearlessness) and interpersonal antagonism. The authors marshal many threads of research to develop an intriguing idea that suggests the “whole” of psychopathy is more than the sum of its parts. Unfortunately, the authors focus primarily on psychopathy, and fail to provide convincing quantitative data for the statistical interaction that forms the basis for their theory. Also missing from this model of personality pathology is a consideration of what function boldness serves; viewing boldness as a means to accomplish the (maladaptive) rewarding goals that motivate the individual high in antagonism and disinhibition may serve to flesh out this theory and our conceptualization of personality pathology more broadly.

scholarly journals The effect of comorbidities on glycemic control among Colombian adults with diabetes mellitus: a longitudinal approach with real-world data

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Manuel Urina-Jassir ◽  
Lina Johana Herrera-Parra ◽  
Juliana Alexandra Hernández Vargas ◽  
Ana María Valbuena-García ◽  
Lizbeth Acuña-Merchán ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Chronic Kidney Disease ◽  
Kidney Disease ◽  
Glycemic Control ◽  
Early Onset ◽  
National Registry ◽  
Real World Data ◽  
Logistic Regression Models ◽  
Statistical Interaction ◽  
Longitudinal Approach

Abstract Background Achieving an optimal glycemic control has been described to reduce the incidence of diabetes mellitus (DM) related complications. The association between comorbidities and glycemic control remains unclear. Our aim is to evaluate the effect of comorbidities on glycemic control in people living with DM. Methods A retrospective longitudinal study on data from the National Registry of Chronic Kidney Disease from 2014 to 2019 in Colombia. The outcome was poor glycemic control (PGC = HbA1c ≥7.0%). The association between each comorbidity (hypertension (HTN), chronic kidney disease (CKD) or obesity) and PGC was evaluated through multivariate mixed effects logistic regression models. The measures of effect were odds ratios (OR) and their 95% confidence intervals (CI). We also evaluated the main associations stratified by gender, insurance, and early onset diabetes as well as statistical interaction between each comorbidity and ethnicity. Results From 969,531 people at baseline, 85% had at least one comorbidity; they were older and mostly female. In people living with DM and CKD, the odds of having a PGC were 78% (OR: 1.78, CI 95%: 1.55-2.05) higher than those without CKD. Same pattern was observed in obese for whom the odds were 52% (OR: 1.52, CI 95%: 1.31-1.75) higher than in non-obese. Non-significant association was found between HTN and PGC. We found statistical interaction between comorbidities and ethnicity (afro descendant) as well as effect modification by health insurance and early onset DM. Conclusions Prevalence of comorbidities was high in adults living with DM. Patients with concomitant CKD or obesity had significantly higher odds of having a PGC.

GAUGE INVARIANCE AND BROKEN SYMMETRIES IN ANYON SUPERFLUIDS

1992 ◽  
Vol 07 (24) ◽  
pp. 5917-5976 ◽  
Author(s):  
DANIEL BOYANOVSKY
Keyword(s):  
Long Range ◽  
Range Order ◽  
Quantization Scheme ◽  
Long Range Order ◽  
Translational Invariance ◽  
Gauge Invariant ◽  
Gauge Transformations ◽  
Statistical Interaction ◽  
Broken Symmetries ◽  
Volume Limit

We review aspects of broken symmetry and the nature of long range order in theories of anyons starting with bosons with a statistical interaction. We introduce a novel gauge invariant quantization scheme that allows the identification of local and gauge invariant order parameters. The connection between spin and statistics is reviewed and the consequences of broken symmetries in the anyon representation are discussed. An anyon gas is studied in the Bogoliubov approximation, it is determined that the ground state is a condensate of charge-flux composites with “quasi-long-range order” at zero temperature, a “weak” gap in the spectrum and finite helicity modulus. The system is disordered at nonzero temperatures. The disorder is not caused by Goldstone bosons but by the strong infrared behavior arising from the Coulomb interaction induced by the long-range statistical interaction. The properties of topological vortices in nonrelativistic and in relativistic Landau-Ginzburg theories are studied in detail. We study the physics of the mean-field ansatz and quasi-long range order in a simple exactly soluble relativistic model. This model exhibits a novel phenomenon of charge redistribution to the boundaries and restoration of translational invariance in the infinite volume limit. It also illuminates the physics of quasi-long-range order with a gap in the spectrum, statistical charge polarization by external magnetic fields and the role of “large” gauge transformations.

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