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Authorship characteristics in prosthodontic literature: proliferation and internationalization. A review and analysis following a 10-year observation

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journal contribution
posted on 01.03.2011 by Judy Yuan, Damian J. Lee, Kent L. Knoernschild, Stephen D. Campbell, Cortino Sukotjo
Statement of problem. Author characteristics and the extent of dental literature authorship globalization have not been widely investigated, especially in prosthodontics. Purpose. The purpose of this review was to examine trends in authorship characteristics in prosthodontics. Material and methods. Articles published in The Journal of Prosthetic Dentistry (JPD), International Journal of Prosthodontics (IJP), and Journal of Prosthodontics (JP) in 1998, 2003, and 2008 were reviewed. Abstracts, letters to the editor, and book reviews were not included in the investigation. The authors’ educational degrees had to be listed in the publications for the articles to be included. For each article, number of authors, degrees of all authors, academic ranks of first and last authors, and geographic origin were recorded. Descriptive and analytic analyses (α=.05), including a generalized linear model, Kruskall-Wallis, Mann-Whitney U, or chi-square tests, were used as appropriate. Results. A total of 998 articles met the inclusion criteria from the 3 selected journals for the years studied. Across all 3 journals, the mean number of authors per article increased significantly from 2.9 in 1998 to 3.6 in 2008 (Kruskal-Wallis, P<.001). The mean number of authors per article increased steadily on all continents, except for Africa and Oceania. A steady increase of authors with higher degrees was observed. There was a significant increase in the proportion of senior-ranking faculty as last author over time (chi-square=5.57, df=1, P=.018). The contributions from Asia and South America increased over time. Conclusions. The number of authors per article, the number of authors with higher educational degrees, and the percentage of senior-ranking faculty as last author have steadily increased in the prosthodontic literature from 1998 to 2008. The trend of globalization of authorship was evident in the prosthodontic literature.

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Publisher Statement

Post print version of article may differ from published version. The definitive version is available through Elsevier at DOI: 10.1016/S0022-3913(10)60113-8

Publisher

Elsevier

Language

en_US

issn

1097-6841

Issue date

01/09/2010

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