Ontology highlight
ABSTRACT:
SUBMITTER: O'Connell NS
PROVIDER: S-EPMC6290914 | biostudies-literature | 2017 Feb
REPOSITORIES: biostudies-literature
Journal of biometrics & biostatistics 20170201 1
Often repeated measures data are summarized into pre-post-treatment measurements. Various methods exist in the literature for estimating and testing treatment effect, including ANOVA, analysis of covariance (ANCOVA), and linear mixed modeling (LMM). Under the first two methods, outcomes can either be modeled as the post treatment measurement (ANOVA-POST or ANCOVA-POST), or a change score between pre and post measurements (ANOVA-CHANGE, ANCOVA-CHANGE). In LMM, the outcome is modeled as a vector o ...[more]