Journal
JOURNAL OF CLINICAL EPIDEMIOLOGY
Volume 67, Issue 9, Pages 1049-1054Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2014.04.006
Keywords
Authorship order; Cross-sectional; Survey; Evidence-based medicine; Publications; Multinomial regression
Funding
- Canada Research Chair, McMaster University
- Canadian Institutes of Health Research
- Canadian Chiropractic Research Foundation
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Objectives: We explored how readers interpret authors' roles based on authorship order and corresponding author. Study Design and Setting: We conducted a cross-sectional survey of all 291 Surgical and Medical Chairpersons across North America. We developed hypothetical study and authorship bylines with five authors varying the corresponding author as first or last author. Respondents reported their perceptions about the authors' roles in the study and the most prestigious authorship position. We used multinomial regression to explore the results. Results: One hundred sixty-five chairpersons (response rate: 57%) completed our survey. When the first author was designated as corresponding author, most of the respondents assumed that this author had taken the lead in study design (55.3%) and analysis and interpretation of data (51.2%). When the last author (fifth) was designated as corresponding, perceptions of the first author's role in study concept and design (odds ratio [OR] = 0.25, 95% confidence interval [CI]: 0.15, 0.41) and analysis and interpretation of results (OR = 0.22, 95% CI: 0.13, 0.38) decreased significantly. Overall prestige of the last author position increased significantly when designated as corresponding author (OR = 4.0, 95% CI: 2.4, 6.4). Conclusions: Academic department chairs' perception of authors' contributions was influenced by corresponding author designation. Without authors' explicit contributions in research articles, many readers may draw false conclusions about author credit and accountability. (C) 2014 Elsevier Inc. All rights reserved.
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