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Using Twitter to Examine Smoking Behavior and Perceptions of Emerging Tobacco Products

, and negative sentiment.

Mark Myslín, Shu-Hong Zhu, Wendy Chapman, Mike Conway

J Med Internet Res 2013;15(8):e174

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Mining of Textual Health Information from Reddit: Analysis of Chronic Diseases With Extracted Entities and Their Relations

Health-related posts on social media were analyzed to investigate the polarity of opinions online, performing sentiment analysis [26].

Vasiliki Foufi, Tatsawan Timakum, Christophe Gaudet-Blavignac, Christian Lovis, Min Song

J Med Internet Res 2019;21(6):e12876

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Sentiment Analysis of Health Care Tweets: Review of the Methods Used

Accurate and automated sentiment analysis is challenging due to the subjectivity, complexity, and creativity of the language used [11].Sentiment analysis in the health care setting is not a new phenomenon.

Sunir Gohil, Sabine Vuik, Ara Darzi

JMIR Public Health Surveill 2018;4(2):e43

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Sentiment Analysis in Health and Well-Being: Systematic Review

IntroductionSentiment analysis (SA), also known as opinion mining, is a subfield of natural language processing (NLP) whose aim is to automatically classify the sentiment expressed in a free text.

Anastazia Zunic, Padraig Corcoran, Irena Spasic

JMIR Med Inform 2020;8(1):e16023

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Modeling Spatiotemporal Factors Associated With Sentiment on Twitter: Synthesis and Suggestions for Improving the Identification of Localized Deviations

Sentiment analysis is a broad class of methods used to detect opinions or mood from text.

Zubair Shah, Paige Martin, Enrico Coiera, Kenneth D Mandl, Adam G Dunn

J Med Internet Res 2019;21(5):e12881

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Pro-Anorexia and Anti-Pro-Anorexia Videos on YouTube: Sentiment Analysis of User Responses

This is the first study of pro-anorexia communities that analyzes a large sample of data with sentiment analysis software.

Atte Oksanen, David Garcia, Anu Sirola, Matti Näsi, Markus Kaakinen, Teo Keipi, Pekka Räsänen

J Med Internet Res 2015;17(11):e256

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Food Communication and its Related Sentiment in Local and Organic Food Videos on YouTube

Information on replies to Google+ and Twitter accounts was also omitted.Semantic AnalysisThis is a type of network study where the unit of analysis is keywords.

Xanat Vargas Meza, Toshimasa Yamanaka

J Med Internet Res 2020;22(8):e16761

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Stroke Survivors on Twitter: Sentiment and Topic Analysis From a Gender Perspective

analysis in the health care setting is not a new phenomenon, for example, in previous research, greater positive sentiment within discharge summaries was associated with a significantly decreased risk of readmission [18].This StudyIn the following subsections

Alejandro Garcia-Rudolph, Sara Laxe, Joan Saurí, Montserrat Bernabeu Guitart

J Med Internet Res 2019;21(8):e14077

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Determining the Topic Evolution and Sentiment Polarity for Albinism in a Chinese Online Health Community: Machine Learning and Social Network Analysis

At present, the enhanced version of machine learning algorithms is widely used in sentiment analysis [57,58].

Qiqing Bi, Lining Shen, Richard Evans, Zhiguo Zhang, Shimin Wang, Wei Dai, Cui Liu

JMIR Med Inform 2020;8(5):e17813

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Understanding Health Care Social Media Use From Different Stakeholder Perspectives: A Content Analysis of an Online Health Community

We used a computational social science approach to process the large amount of text data for stakeholder analysis, topic analysis, and sentiment analysis.

Yingjie Lu, Yang Wu, Jingfang Liu, Jia Li, Pengzhu Zhang

J Med Internet Res 2017;19(4):e109

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