Physical Activity Monitoring Using Wearable Devices in Young Adults: Secondary Analysis of a 6-Month Motivational Interviewing Pilot Randomized Controlled Trial

Nicolette Christodoulakis   ¹ , BHSc ;   Taylor Incze   ¹ , BPH, MSc ;   Sahar Khademioore   ¹ , MSc ;   Matthew Kwan   ^{2, 3, 4} , PhD ;   Elizabeth Alvarez   ^{1, 5} , MPH, MD, PhD ;   Jean-Éric Tarride   ^{1, 5, 6} , MA, PhD ;   Lawrence Mbuagbaw   ^{1, 7, 8, 9, 10, 11} , MPH, MD, PhD ;   Laura N Anderson   ^{1, 5} , PhD

¹ Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada

² Department of Child and Youth Studies, Brock University, St. Catharines, ON, Canada

³ Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada

⁴ School of Human Movement and Nutrition Science, The University of Queensland, Brisbane, Queensland, Australia

⁵ Centre for Health Economics and Policy Analysis (CHEPA), McMaster University, Hamilton, ON, Canada

⁶ Programs for Assessment of Technology in Health (PATH), The Research Institute of St. Joe’s Hamilton, St. Joseph’s Healthcare Hamilton, Hamilton, ON, Canada

⁷ Biostatistics Unit, Father Sean O’Sullivan Research Centre, St. Joseph’s Healthcare Hamilton, Hamilton, ON, Canada

⁸ Department of Anesthesia, McMaster University, Hamilton, ON, Canada

⁹ Department of Pediatrics, McMaster University, Hamilton, ON, Canada

¹⁰ Centre for Development of Best Practices in Health, Yaoundé Central Hospital, Yaoundé, Cameroon

¹¹ Division of Epidemiology and Biostatistics, Department of Global Health, Stellenbosch University, Cape Town, Western Cape, South Africa