Co-First Author and Co-Corresponding Author：A Case Study of High-Impact Factor Journals in Pharmacy and Anesthesia Area
Date Issued
2015
Date
2015
Author(s)
Hsieh, Hsiao-Ting
Abstract
The purpose of this study is to examine the co-first author and co-corresponding author in pharmacy and anesthesia area by bibliometric methods. The subjects are articles published in high-impact factor journals in the pharmacy and anesthesia area during 1995-2014 which recorded in Web of Science. The study analyzes the country and institution distribution of co-first author and co-corresponding author articles, and also analyzes the numbers and byline position of co-first author and co-corresponding author. In addition, the paper also investigates the influence of the number of coauthors, inter-disciplinary collaboration, and fund sources on the tendency of co-first author and co-corresponding author. The major findings are summarized as follows. The coauthored articles and the number of coauthors in pharmacy and anesthesia area are increasing. The percentage of co-authorship in pharmacy and anesthesia area is 90.37% and 95.17% respectively, and the annual percentage of co-authorship in anesthesia area are all above 90%. The average coauthors in anesthesia area is 4.82 which is higher than that in pharmacy area (4.41). The co-first author article first appeared in 2001 in pharmacy and 1998 in anesthesia area, and the co-corresponding author article both first appeared in 1995 in the two area, which co-corresponding author phenomenon emerged earlier. In the late twenty years, the number of co-first author articles in pharmacy and anesthesia area are 888 and 769 respectively, and the percentages of co-first author articles are 4.99% and 2.15%. The number of corresponding author articles in pharmacy and anesthesia area are 1,507 and 227 respectively, and the percentages of co-corresponding author are 8.47% and 0.63%.It shows the rate of co-first author and the rate of co-corresponding author in pharmacy are higher than that in anesthesia. More than 90% of co-first author articles in the two areas list the first two authors as co-first authors. Most co-corresponding author articles list all authors as co-corresponding authors in pharmacy area, while most co-corresponding author articles list the first author and last author as co-corresponding authors in anesthesia area. The number of coauthors of co-first author articles mainly vary from 6 to 10, while that of co-corresponding author articles from 2 to 5. The number of coauthors has no significantly correlation with the rate of co-first or the rate of co-corresponding author, that is, the articles with more coauthors may not result in more co-first author or co-corresponding author. In terms of inter-disciplinary collaboration, most coauthors come from two different disciplines in inter-disciplinary collaboration articles. Compared with general articles, the authors of co-first and co-corresponding author articles come from more diverse disciplines. It is found out that co-first author or co-corresponding author articles obtain research fund from different resources including research institutions, governments, foundations and industries. In most cases, the articles get most research fund from research institutions. The cited numbers of co-first author articles are lower than general coauthor articles, while the cited numbers of co-corresponding author articles are higher than general coauthor articles. The cited numbers of co-corresponding author articles are higher than co-first author articles. The paper with co-first author and co-corresponding author occurred at the same time in pharmacy and anesthesia area, which appeared first in 2004 in pharmacy and appeared in 2005 in anesthesia . The rate of co-first and co-corresponding in pharmacy area is 1.05%, which is higher than that in anesthesia area (0.11%). In addition to co-first and co-corresponding articles, there are other co-author phenomenon, which includes co-last author, co-senior author, and co-second author.
Subjects
co-first author
co-corresponding author
pharmacy
anesthesia
authorship
bibliometric method
Type
thesis
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