Zobrazeno 1 - 10 of 332 pro vyhledávání: '"Bobb, Jennifer F"'
1
Report
Increased risk of type I errors for detecting heterogeneity of treatment effects in cluster-randomized trials using mixed-effect models
Autor: Hyun, Noorie, Idu, Abisola E., Cook, Andrea J., Bobb, Jennifer F.
Evaluating heterogeneity of treatment effects (HTE) across subgroups is common in both randomized trials and observational studies. Although several statistical challenges of HTE analyses including low statistical power and multiple comparisons are w
Externí odkaz: http://arxiv.org/abs/2407.06466
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2
Report
Evaluating tests for cluster-randomized trials with few clusters under generalized linear mixed models with covariate adjustment: a simulation study
Autor: Qiu, Hongxiang, Cook, Andrea J., Bobb, Jennifer F.
Generalized linear mixed models (GLMM) are commonly used to analyze clustered data, but when the number of clusters is small to moderate, standard statistical tests may produce elevated type I error rates. Small-sample corrections have been proposed
Externí odkaz: http://arxiv.org/abs/2209.04364
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6
Report
Accounting for spatial confounding in epidemiological studies with individual-level exposures: An exposure-penalized spline approach
Autor: Bobb, Jennifer F., Cruz, Maricela F., Mooney, Stephen J., Drewnowski, Adam, Arterburn, David, Cook, Andrea J.
Publikováno v: J R Stat Soc Ser A 2022
In the presence of unmeasured spatial confounding, spatial models may actually increase (rather than decrease) bias, leading to uncertainty as to how they should be applied in practice. We evaluated spatial modeling approaches through simulation and
Externí odkaz: http://arxiv.org/abs/2107.08072
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9
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