Satisfaction, Usability, and Compliance With the Use of Smartwatches for Ecological Momentary Assessment of Knee Osteoarthritis Symptoms in Older Adults: Usability Study

Charlotte Rouzaud Laborde   ^{1, 2 *} , PharmD, PhD ;   Erta Cenko   ^{3 *} , MSPH ;   Mamoun T Mardini   ^{2, 4 *} , PhD ;   Subhash Nerella   ^{4 *} , MSc ;   Matin Kheirkhahan   ^{5 *} , BE ;   Sanjay Ranka   ^{6 *} , PhD, Prof Dr ;   Roger B Fillingim   ^{7 *} , PhD ;   Duane B Corbett   ^{2 *} , PhD ;   Eric Weber   ^{7 *} , PhD ;   Parisa Rashidi   ^{4 *} , PhD ;   Todd Manini   ^{2 *} , MD, PhD, Prof Dr

¹ Department of Pharmacy, University of Toulouse, Toulouse, France

² Department of Aging and Geriatric research, University of Florida, Gainesville, FL, United States

³ Department of Epidemiology, University of Florida, Gainesville, FL, United States

⁴ Department of Biomedical Engineering, University of Florida, Gainesville, FL, United States

⁵ Google, Mountain View, California, CA, United States

⁶ Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL, United States

⁷ Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL, United States

*all authors contributed equally