Table 3 Factors associated with addressing of topics in journals’ Instructions to Authors (ItAs). Factors were confirmed by meta-regression or by demonstrating significant differences when data were obtained from up to three studies , calculated from data reported in individual studies View full size image or reported as presented in individual studies, i.e., data reported in a way that did not allow calculation View full size image. All associations are presented only descriptively, with full details and 95% CIs available in the Supplementary Information. We used additional colouring to highlight View full size image, , and .

From: Systematic review and meta-analyses of studies analysing instructions to authors from 1987 to 2017

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  1. *The six disciplines we used in the study are: Arts & Humanities, Health, Life, Physical, Social, and Multidisciplinary Sciences. The specialties are sub-disciplines found within those areas (e.g., acoustics, botany, history, medicine, etc.).
  2. Abbreviations and acronyms: Abridged Index Medicus (AIM), Chinese Medical Association Publishing House (CMPAH), Consolidated Standards of Reporting Trials (CONSORT), Directory of Open Access Journals (DOAJ), International Committee of Medical Journal Editors (ICMJE), Impact Factor (IF), Index Medicus (IM), Journal Citation Reports (JCR), U.S. National Library of Medicine bibliographic database (MEDLINE), PubMed Central (PMC), World Association of Medical Editors (WAME).
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