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Guidance in author instructions of hematology and oncology journals: A cross sectional and longitudinal study

Author

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  • Ingrid Toews
  • Nadine Binder
  • Robert F Wolff
  • Guenes Toprak
  • Erik von Elm
  • Joerg J Meerpohl

Abstract

Background: The debate about the value of biomedical publications led to recommendations for improving reporting quality. It is unclear to what extent these recommendations have been endorsed by journals. We analyzed whether specific recommendations were included in author instructions, which journal characteristics were associated with their endorsement, how endorsement of the domains changed and whether endorsement was associated with change of impact factor between 2010 and 2015. Methods: We considered two study samples consisting of “Hematology” and “Oncology” journals of the Journal Citation Report 2008 and 2014, respectively. We extracted information regarding endorsement of the (1) recommendations of the International Committee of Medical Journal Editors, of (2) reporting guidelines, (3) requirement for trial registration and (4) disclosure of conflicts of interest. Data extraction was done by reading the author instructions before conducting a text search with keywords. We calculated a global generalized linear mixed effects model for endorsement of each of the four domains followed by separate multivariable logistic regression models and a longitudinal analysis. We defined endorsement as the author instructions saying that they approve the use of the recommendations. Results: In 2015, the ICMJE recommendations were mentioned in author instructions of 156 journals (67.5%). CONSORT was referred to by 77 journals (33.3%); MOOSE, PRISMA, STARD and STROBE were referred to by less than 15% of journals. There were 99 journals (42.9%) that recommended or required trial registration, 211 (91.3%) required authors to disclose conflicts of interest. Journal impact factor, journal start year and geographical region were positively associated with endorsement of any of the four domains. The overall endorsement of all domains increased between 2010 and 2015. The endorsement of any domain in 2010 seemed to be associated with an increased impact factor in 2014. Conclusion: Hematology and oncology journals endorse major recommendations to various degrees. Endorsement is increasing slowly over time and might be positively associated with the journals’ impact factor.

Suggested Citation

  • Ingrid Toews & Nadine Binder & Robert F Wolff & Guenes Toprak & Erik von Elm & Joerg J Meerpohl, 2017. "Guidance in author instructions of hematology and oncology journals: A cross sectional and longitudinal study," PLOS ONE, Public Library of Science, vol. 12(4), pages 1-17, April.
    • Handle: RePEc:plo:pone00:0176489
    DOI: 10.1371/journal.pone.0176489
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    References listed on IDEAS

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    1. Hannes Knüppel & Courtney Metz & Joerg J Meerpohl & Daniel Strech, 2013. "How Psychiatry Journals Support the Unbiased Translation of Clinical Research. A Cross-Sectional Study of Editorial Policies," PLOS ONE, Public Library of Science, vol. 8(10), pages 1-5, October.
    2. McLeroy, K.R. & Northridge, M.E. & Balcazar, H. & Greenberg, M.R. & Landers, S.J., 2012. "Reporting guidelines and the American Journal of Public Health 's adoption of Preferred Reporting Items for Systematic reviews and Meta-Analyses," American Journal of Public Health, American Public Health Association, vol. 102(5), pages 780-784.
    3. Erik von Elm & Douglas G Altman & Matthias Egger & Stuart J Pocock & Peter C Gøtzsche & Jan P Vandenbroucke & for the STROBE Initiative, 2007. "The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies," PLOS Medicine, Public Library of Science, vol. 4(10), pages 1-5, October.
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