Associations Among Wearable Activity Tracker Use, Exercise Motivation, and Physical Activity in a Cohort of Cancer Survivors: Secondary Data Analysis of the Health Information National Trends Survey

Steven De La Torre   ¹ , MPH ;   Donna Spruijt-Metz   ^{1, 2, 3} , MFA, PhD ;   Albert J Farias   ^{1, 4} , MPH, PhD

¹ Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States

² Dornsife Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States

³ Department of Psychology, University of Southern California, Los Angeles, CA, United States

⁴ Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States