title: Mapping publication trends and identifying hot spots of research on Internet health information seeking behavior: a quantitative and co-word biclustering analysis.
abstract: BACKGROUND
  The Internet has become an established source of health information for people seeking health information. In recent years, research on the health information seeking behavior of Internet users has become an increasingly important scholarly focus. However, there have been no long-term bibliometric studies to date on Internet health information seeking behavior.
  
  
  OBJECTIVE
  The purpose of this study was to map publication trends and explore research hot spots of Internet health information seeking behavior.
  
  
  METHODS
  A bibliometric analysis based on PubMed was conducted to investigate the publication trends of research on Internet health information seeking behavior. For the included publications, the annual publication number, the distribution of countries, authors, languages, journals, and annual distribution of highly frequent major MeSH (Medical Subject Headings) terms were determined. Furthermore, co-word biclustering analysis of highly frequent major MeSH terms was utilized to detect the hot spots in this field.
  
  
  RESULTS
  A total of 533 publications were included. The research output was gradually increasing. There were five authors who published four or more articles individually. A total of 271 included publications (50.8%) were written by authors from the United States, and 516 of the 533 articles (96.8%) were published in English. The eight most active journals published 34.1% (182/533) of the publications on this topic. Ten research hot spots were found: (1) behavior of Internet health information seeking about HIV infection or sexually transmitted diseases, (2) Internet health information seeking behavior of students, (3) behavior of Internet health information seeking via mobile phone and its apps, (4) physicians' utilization of Internet medical resources, (5) utilization of social media by parents, (6) Internet health information seeking behavior of patients with cancer (mainly breast cancer), (7) trust in or satisfaction with Web-based health information by consumers, (8) interaction between Internet utilization and physician-patient communication or relationship, (9) preference and computer literacy of people using search engines or other Web-based systems, and (10) attitude of people (especially adolescents) when seeking health information via the Internet.
  
  
  CONCLUSIONS
  The 10 major research hot spots could provide some hints for researchers when launching new projects. The output of research on Internet health information seeking behavior is gradually increasing. Compared to the United States, the relatively small number of publications indexed by PubMed from other developed and developing countries indicates to some extent that the field might be still underdeveloped in many countries. More studies on Internet health information seeking behavior could give some references for health information providers.
authors.affiliation: Department of Medical Informatics, China Medical University, Shenyang, China.
authors.forename: Fan
authors.identifier: http://orcid.org/0000-0002-0511-3536
authors.initials: F
authors.lastname: Li
authors.forename: Min
authors.identifier: http://orcid.org/0000-0001-5152-5841
authors.initials: M
authors.lastname: Li
authors.forename: Peng
authors.identifier: http://orcid.org/0000-0003-0190-7301
authors.initials: P
authors.lastname: Guan
authors.forename: Shuang
authors.identifier: http://orcid.org/0000-0002-6231-5177
authors.initials: S
authors.lastname: Ma
authors.forename: Lei
authors.identifier: http://orcid.org/0000-0001-9479-8225
authors.initials: L
authors.lastname: Cui
mesh_terms: D015706:Bibliometrics; D016000:Cluster Analysis; D003625:Data Collection; D006801:Humans; D057226:Information Seeking Behavior; D020407:Internet; D011643:Publishing / Q000639:trends*; D057386:Search Engine; D014481:United States
keywords: Internet; bibliometric analysis; biclustering; co-word analysis; health information; hot spots; information seeking behavior; publication status
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