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. 2020 Jul 6;22(7):e15607. doi: 10.2196/15607

Table 5.

Characteristics of correlational studies of poor quality (n=12).

Study ID and reference Health research area/unit and period of analysis Metrics reported Results Methodological quality indicatorsa




1 2 3 4
Amath, 2017 [32,33] Medical education: 482 articles appearing on Medical Education journal (2012-2013) Social media: Twitter, Mendeley; Altmetrics-Bibliometrics: Citations (Scopus) Very strong correlation between Tweet counts and Altmetrics score; Citations were strongly correlated with access counts and Mendeley downloads, and weakly and moderately correlated respectively with Twitter mentions and Altmetric scores - - + -
Azer, 2019 [55] Medical professionalism; 50 most-cited articles in medical professionalism identified by searching WoSb (1994-2011) Social media: Altmetrics-Bibliometrics: Citations (WoSb) No significant correlation between Altmetrics and citations +
Baan, 2017 [56] Transplantation; All articles published on transplantation in 2015 (volume 99) Social media: Twitter-Bibliometrics: number of views and downloads Significant correlation between downloads and Twitter activity +
Batooli, 2016 [57] Medical sciences; 533 articles published by faculty at Kashan University of Medical Sciences (1997-2014) Social media: ResearchGate, Mendeley-Bibliometrics: Citations (Scopus) Positive correlation between the number of views of articles in ResearchGate and citations; positive correlation between reading frequency in Mendeley and citations; number of views of articles in ResearchGate correlated with higher reading frequency in Mendeley and citations +
Chen, 2019 [41] Rheumatology; 1460 articles appearing in Rheumatology journal (2010-2015) Social media: Altmetrics-Bibliometrics: Citations and downloads Strong correlations between Altmetric and downloads, but not citations +
Chiang, 2016 [42] Gastroenterology; 1671 articles appearing on 5 core gastroenterology journals, 482 being tweeted (2012) Social media: Twitter-Bibliometrics: Citations (Google Scholar) No significant correlation between Twitter and citations +
Cho, 2017 [60] Medical sciences; 98 articles from medical sciences from Korean researchers in Scopus (2010-2014) Social media: ImpactStory; Altmetrics-Bibliometrics: Citations (Scopus) The more the papers are cited in the journal, the more papers saved on Mendeley +
Hayon, 2019 [34] Urology; 213 articles from 7 prominent urology journals (2014-2015) Social media: Altmetrics-Bibliometrics: Citations (Google Scholar and Scopus) Positive relationship between Twitter activity and Scopus citations +
Jedhav, 2019 [68] Neurointerventional surgery; 451 articles first published on the web on the Journal of Neurointerventional Surgery (2015-2016) Social media: Twitter-Bibliometrics: Citations (WoSb) The level of evidence of the publication and the topic of research strongly predicts future citations. The number of clicks also appears to be a strong predictor of future citations, and the number of clicks increases as the number of Twitter users also grows +
Jeong, 2019 [69] Coloproctology; 404 articles published on 3 journals with Twitter profiles (2015-2016) Social media: Twitter-Bibliometrics: Citations (WoSb) Significant correlations between citations and Twitter activity +
Konstantiniuk, 2015 [44] Sepsis research; 12 articles on sepsis compared with 8 articles on ICUc (period not indicated) Social media: Twittter; Altmetrics; ResearchGate-Bibliometrics: Citations (Google Scholar and WoSb) The Altmetric score neither correlated with Google Citations nor publishing date +
Shirazi, 2018 [79] Health literacy; 615 articles with a digital object identifier and indexed in WoSb (2015) Social media: Altmetrics-Bibliometrics: Citations (WoSb) Significant correlations between Altmetrics and citations +

a1: appropriately adjusting for time of the social media metric (+); 2: appropriately adjusting for confounders such as article type (+) and seasonality/time factors (++); 3: appropriately exploring correlations by including scatterplots (+); 4: appropriately reporting nonlinear correlations tests and statistics (+) as well as log-linear relationship tests (++).

bWoS: Web of Science.

cICU: Intensive Care Unit.