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The current status of open access in biomedical field: the comparison of countries related to the impact of national policies

Mamiko Matsubayashi, Keiko Kurata, Yukiko Sakai, Noriko Morioka, Shinya Kato, Shinji Mine, Shuichi Ueda

ASIS&T Annual Meeting - 2006 (ASIS&T 2006)
Austin, Texas, November 3-9, 2006


The purpose of the article is to show the current status of Open Access (OA) in biomedical field, and compare the situation about OA in some countries such as the U.S., the U.K. and Japan. There are controversies about the definition of OA. After examining the requirements about OA, we recognized OA as the situation which researchers could read the full text of articles in unrestricted way. In order to investigate the current situation of OA, 4,611 articles were sampled randomly from articles published between January and September in 2005 indexed in PubMed. The main results are as follows: 1) The rates of OA articles is 25%, and 75% of all the articles was available online including electronic subscription journal articles. 2) The means of OA was classified into five types. Among them, the rate of OA articles by “OA and Hybrid OA journals” was overwhelming (more than 75%), and that of PMC was 22.5%. The rates of OA articles by “institutional repository” and “author’s personal site” were considerably low (5.9% and 4.7%, respectively). 3) When comparing the rates of OA articles in countries, the U.S. ranked the first with 28.2%. The five countries indicated more than 20% in OA articles: Belgium (26.7%), Canada (25.0%), the U.K. (24.6%), Japan (21.1%), and Germany (20.5%). Each country took a different pattern about the means of OA. 4) We explored the rates of OA for two groups; one group consists of articles published in journals with IF, and the other consisted of articles published in journals without IF. The rate of OA for group of articles in journals with IF is 22.4%, and that of articles in journals without IF is 28.5%. The rates of OA for these two groups are not so much different, but the rates of other articles than OA articles are quite different.

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