Physical Activity, Sedentary Behavior, and Sleep on Twitter: Multicountry and Fully Labeled Public Data Set for Digital Public Health Surveillance Research

Zahra Shakeri Hossein Abad   ^{1, 2} , PhD ;   Gregory P Butler   ³ , MSc ;   Wendy Thompson   ³ , MSc ;   Joon Lee   ^{2, 4, 5} , PhD

¹ Department of Biomedical Informatics, Harvard Medical School, Harvard University, Boston, MA, United States

² Data Intelligence for Health Lab, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

³ Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, ON, Canada

⁴ Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

⁵ Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada