What are the variables associated with Altmetric scores?

Abstract

Background Social 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. Methods Searches 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. Results A 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. Conclusion Citation 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 registration This review does not contain health-related outcomes. Therefore, it is not eligible for registration.

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“…Publication in JAMA Otolaryngol Head Neck Surg was associated with 32 more social media posts per article, likely due to their large online presence associated with the JAMA Network. However, it is important to note, we found no relationship between social media posts and citations per publication when controlling for journal and article characteristics, which differs from published findings 36–39 . This difference could be due to our analysis involving only the highest impact journals in a small specialty.…”

“…However, it is important to note, we found no relationship between social media posts and citations per publication when controlling for journal and article characteristics, which differs from published findings. [36][37][38][39] This difference could be due to our analysis involving only the highest impact journals in a small specialty. Thus, scientific readership is relatively fixed and social media may have a more limited impact on citations.…”

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