The intraclass correlation (ICC)
Covariate-adjusted confidence interval for the intraclass correlation coefficient
... It may be desirable for the purpose of increasing precision to extend the one-way random effects model to include one or more covariates. In this case the selected covariate structure would be expected to affect the ...
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Assessing Agreement with Intraclass Correlation Coefficient and Concordance Correlation Coefficient
... The intraclass correlation coefficient (ICC) and the concordance correlation co- efficient (CCC ) are frequently used for assessing agreement between or among observers for data with continuous ...
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Estimation and Inference of the Three-Level Intraclass Correlation Coefficient
... Since the early 1900s, the intraclass correlation coefficient (ICC) has been used to quantify the level of agreement among different assessments on the same object. By comparing the level of variability ...
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Intraclass Correlation Associated with Therapists: Estimates and Applications in Planning Psychotherapy Research
... & Serlin, 2000). Optimal design of these studies requires a good estimate of the dependence expected among observations of patients who have the same therapist, indexed by the intraclass correlation ...
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Intraclass correlation coefficients in the Brazilian network for surveillance of severe maternal morbidity study
... This paper reports the intraclass correlation coefficients for study variables. The results found are in agreement with those of previous studies and homogeneity of the data obtained from variables related ...
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Sample Size Formulas for Estimating Intraclass Correlation Coefficients in Reliability Studies with Binary Outcomes
... The intraclass correlation coefficient (ICC), defined on a model that an observation is a sum of information and random error, has been widely used to quantify reliability for continuous ...
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Bias-corrected estimator for intraclass correlation coefficient in the balanced one-way random effects model
... The intraclass correlation coefficient (ICC), often denoted by ρ, was first introduced by Fisher [1] to study the familial resemblance between ...[5]. Intraclass correlation obtained from genome- ...
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Intraclass correlation coefficients for cluster randomized trials in care pathways and usual care: hospital treatment for heart failure
... Seval Kul 1* , Kris Vanhaecht 2,3,4 and Massimiliano Panella 4,5 Abstract Background: Cluster randomized trials are increasingly being used in healthcare evaluation to show the effectiveness of a specific intervention. ...
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Bayesian analysis for the intraclass model and for the quantile semiparametric mixed-effects double regression models
... Chapter 1 Introduction This dissertation consists of three distinct but related research projects. The first two projects deal with objective Bayesian analysis for the intraclass correlation coefficient ...
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Confidence intervals for intraclass correlation coefficients in variance components models
... p¼Qþ1 p 2 Þ. The first approach uses Satterthwaite’s approximation and an F-distribution. The second approach uses the first and second moments of the intraclass correlation coefficient estimate in ...
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Individual variation and intraclass correlation in arachidonic acid and eicosapentaenoic acid in chicken muscle
... the intraclass correlation of different fatty acids in five meat samples, of one gram each, within the same chicken thigh, and ii) to study individual variations in the concentrations of a range of fatty ...
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Quantifying intraclass correlations for nonnegative traits
... The intraclass correlation is an important quantity in various areas of ...both correlation due to data hierarchies as well as ...of intraclass correlations is ...
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On the Sampling Variance of Intraclass Correlations and Genetic Correlations
... of intraclass correlations and genetic correlation coefficients were reviewed for small and large sample ...the intraclass correlation, it was shown by simulation that the commonly used ...
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A CRITICAL DISCUSSION OF INTRACLASS CORRELATION COEFFICIENTS*
... For studies of this kind, however, neither detailed linear regression analysis nor the methods proposed by Bland and Altmann, nor structural regression analysis, are applicable si[r] ...
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Screening for data clustering in multicenter studies: the residual intraclass correlation
... centers. Intraclass correlations (ICC) have tradition- ally been used to study interrater ...the correlation between two quan- titative measurements made by different judges or raters for the same ...
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Analytical Derivation of Sampling Distribution of Intraclass Correlation Coefficient. By Junjiro OGAWA
... For this reason, it seems to me that, at least from the peda- gogical point of view, the analytial derivation of sampling distribution of intraclass correlation coefficient is not at all[r] ...
Intraclass correlation values for adolescent health outcomes in secondary schools in 21 European countries
... intra-class correlation coef ficient (ICC) measures the degree of within cluster dependence for a variable, and can therefore be used in power calculations to compute the necessary sample sizes for speci fic ...
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An Economic Analysis of Intraclass Marriage
... This paper investigates mate selection behavior with respect to both class position and individuals characteristics in the marriage market. The theoretical prediction of model can suggest not only those ones that belong ...
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Intraclass Correlation in Practice: Assessment of Reliability of Manual Blood Pressure Measurement among Assessors in a Clinical Trial
... 1) intraclass correlation coefficient (ICC) in the assessment of reliability of manual BP readings among assessors involved in a clinical trial using manual BP measurement, by using an interrater ...
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Scientific rationale for the possible inhaled corticosteroid intraclass difference in the risk of pneumonia in COPD
... potential intraclass differences in pneumonia risk has been provided from observational studies in the real-world setting, as well as from indirect comparison in meta-analyses/systematic reviews of the ...
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