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Published on in Vol 10 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/100764, first published .
Person checking fitness tracker on wrist, showing time and steps.

Criterion Validity of a Consumer Wearable for Step Counting and Activity Intensity Classification in Adults With Lung Cancer: Laboratory-Based Validation Study

Criterion Validity of a Consumer Wearable for Step Counting and Activity Intensity Classification in Adults With Lung Cancer: Laboratory-Based Validation Study

Rujul Singh   1 , BS ;   Emma Fortune   2, 3 , PhD ;   Macy K Tetrick   4 , BS ;   Anvitha Gogineni   4 , BS ;   Carolyn J Presley   4, 5, 6 , MD ;   Rohan G Reddy   1 , BS ;   Chloe M Hery   4, 7 , PhD ;   James L Fisher   8 , PhD ;   Ali Kargarandehkordi   9 , PhD ;   Peter Washington   9 , PhD ;   Dana Kim   10 , BS ;   Frank J Penedo   11, 12 , PhD ;   Zachary L Chaplow   13 , PhD ;   Vipul Lugade   14 , PhD ;   Roberto M Benzo   4, 5 , PhD

1 Grossman School of Medicine, New York University, New York, NY, United States

2 Division of Health Care Delivery Research, Mayo Clinic, Rochester, MN, United States

3 Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, MN, United States

4 Division of Cancer Prevention and Control, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States

5 Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States

6 The James Cancer Hospital and Solove Research Institute, Columbus, OH, United States

7 Division of Epidemiology, College of Public Health, The Ohio State University, Columbus, OH, United States

8 Arthur G. James Cancer Hospital, Columbus, OH, United States

9 Division of Clinical Informatics and Digital Transformation (DoC-IT), Department of Medicine, University of California, San Francisco, San Francisco, CA, United States

10 Department of Computer Science, College of Computing, Data Science, and Society, University of California, Berkeley, Berkeley, CA, United States

11 Departments of Psychology and Medicine, University of Miami, Coral Gables, FL, United States

12 Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, United States

13 Kinesiology, Department of Human Sciences, The Ohio State University, Columbus, OH, United States

14 Division of Physical Therapy, Decker College of Nursing and Health Sciences, Binghamton University, Binghamton, NY, United States

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