Abstract
BackgroundSocial media has been used to disseminate the contents of scientific articles. To measure the impact of this, a new tool called Altmetric was created. Altmetric aims to quantify the impact of each article through online media. This systematic review aims to describe the associations between the publishing journal and published article variables and Altmetric scores.MethodsSearches on MEDLINE, EMBASE, CINAHL, CENTRAL, and Cochrane Library were conducted. We extracted data related to both the publishing article and the publishing journal associated with Altmetric scores. The methodological quality of included articles was analyzed by the Appraisal Tool for Cross-sectional Studies.ResultsA total of 19 articles were considered eligible. These articles summarized a total of 573,842 studies. Citation counts, journal impact factor, access counts, papers published as open access, and press releases generated by the publishing journal were associated with Altmetric scores. The magnitude of these associations ranged from weak to strong.ConclusionCitation counts and journal impact factor are the most common variables associated with Altmetric scores. Other variables such as access counts, papers published in open access journals, and the use of press releases are also likely to be associated with online media attention.Systematic review registrationThis review does not contain health-related outcomes. Therefore, it is not eligible for registration.
Highlights
Variables about the publishing journal included (9) journal impact factor, (10) access counts, (11) papers published as open access, and (12) press releases generated by the publishing journal
The main objective of the included studies was to assess the association between Altmetric scores and variables such as citation counts, journal impact factor, access counts, papers published as open access, time since publication, and/or press releases generated by the publishing journal
The main results of the included studies demonstrated that the variables citation counts, journal impact factor, access counts, papers published as open access, time since publication, and press releases generated by the publishing journal were associated with Altmetric scores
Summary
Altmetric aims to quantify the impact of each article through online media. The mean number of citations for all articles published in a journal in the preceding 2 years is called the journal’s impact factor [1]. Altmetric measures the impact of each article through the attention attracted online [3]. The Altmetric score reveals the instantaneous attention attracted online for articles in news outlets, comments on blogs, number of tweets, and mentions on social media. The Altmetric-mentioned score includes data sources involving social media (e.g., Facebook, Twitter), newspapers, encyclopedias (e.g., Wikipedia), online platforms (e.g., Faculty1000 and publication peer reviews), Araujo et al Systematic Reviews (2021) 10:193 videos on YouTube, question-and-answer sites (e.g., Q&A stack overflow), and policy documents in PDF form available over the internet. Mentions on Twitter are represented in blue (Fig. 1)
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