Lower daily steps among U.S. adolescents during the COVID-19 pandemic: Objective findings from the Adolescent Brain Cognitive Development Study

Affiliations

• ¹ Department of Pediatrics, University of California, San Francisco, 550 16th Street, 4th Floor, Box 0503, San Francisco, CA 94143, USA.
• ² Department of Epidemiology, University of Alabama at Birmingham, 1665 University Blvd, Birmingham, AL 35233, USA.
• ³ Center for Health Sciences, SRI International, 333 Ravenswood Ave, Menlo Park, CA 94025, USA.
• ⁴ School of Physiology, University of the Witwatersrand, 1 Jan Smuts Ave, Braamfontein, Johannesburg 2000, South Africa.
• ⁵ Exercise and Physical Activity Resource Center, University of California, San Diego, 9500 Gilman Drive, Dept. 0811, La Jolla, CA 92093-081, USA.
• ⁶ Center for Wireless and Population Health Systems, University of California, San Diego 9500 Gilman Dr., La Jolla, CA 92093, USA.
• ⁷ Herbert Wertheim School of Public Health and Human Longevity Science, La Jolla University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
• ⁸ Factor-Inwentash Faculty of Social Work, University of Toronto, 27 King's College Cir, Toronto, ON M5S 1A1, Canada.