Curr Epidemiol Rep (2017) 4:269–270 https://doi.org/10.1007/s40471-017-0129-5 INVITED COMMENTARY Robert W. Platt Published online: 24 October 2017 Springer International Publishing AG 2017 Jamie Robins’ 2001 paper “Data, Design, and Background different causal structures. To simplify, he assumes that all Knowledge in Etiologic Inference”  is one of his simplest other confounders have been dealt with by stratification, so and most straightforward, but in my view, most important, that different results between the different designs cannot be contributions to the epidemiologic literature. Every student explained by confounding. He then demonstrates that depend- ing on the design of the study and on external information of epidemiology, or other sciences that involve interpretation of quantitative results, should read this paper, preferably more about E, E*, and D, the interpretation of the study would be than once. The concepts discussed in the paper are fairly quite different. straightforward, but the core point of the paper is extremely The point of this paper is simple and obvious to a reader important: study design matters, and etiologic (i.e., causal) with good training in epidemiology, regardless of whether one inference requires assumptions and external sources of infor- is a devotee of causal diagrams or not. External information
Current Epidemiology Reports – Springer Journals
Published: Oct 24, 2017
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