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Relative Excess Risk from Interaction RR, To publish, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing interests exist. The funders had no role in study design, data collection and analysis, decision Forĭetails on further use, see STROBE Web site ().įunding: The initial STROBE workshop was funded by the European Science Foundation (ESF).Īdditional funding was received from the Medical Research Council Health Services ResearchĬollaboration and the National Health Services Research & Development Methodology The authors jointly hold the copyright of this article. Published and made freely available by Epidemiology and Annals of In order to encourage dissemination of the STROBE Statement, this article isįreely available on the Web site of PLoS Medicine, and will also be The terms of the Creative Commons Attribution License, which permits unrestricted use,ĭistribution, and reproduction in any medium, provided the original author and source areĬredited. This is an open-access article distributed under Received: JAccepted: AugPublished: October 16, 2007Ĭopyright: © 2007 Vandenbroucke et al. (2007) Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): Explanation and Elaboration. The STROBE Statement, this document, and the associated Web site ( ) should be helpful resources to improveĬitation: Vandenbroucke JP, von Elm E, Altman DG, Gøtzsche PC, Mulrow CD, Pocock SJ, et al. Examples of useful flow diagrams are also Several published examples and, where possible, references to relevant empirical studiesĪnd methodological literature are provided. The meaning and rationale for each checklist item are presented. Intended to enhance the use, understanding, and dissemination of the STROBE Statement. This explanatory and elaboration document is
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Observational studies and facilitates critical appraisal and interpretation of studiesīy reviewers, journal editors and readers.
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STROBE Statement provides guidance to authors about how to improve the reporting of Eighteen items are common to cohort studies, case-control studies andĬross-sectional studies and four are specific to each of the three study designs. Relate to the title, abstract, introduction, methods, results and discussion sections ofĪrticles. The STROBE Statement consists of a checklist of 22 items, which Studies in Epidemiology (STROBE) recommendations to improve the quality of reporting of Researchers, and editors developed the Strengthening the Reporting of Observational Taking into accountĮmpirical evidence and theoretical considerations, a group of methodologists, Weaknesses of a study and the generalisability of its results. Poor reporting hampers the assessment of the strengths and The reporting of observational studies is often