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Peer-Reviewed Publication
JAMA Netw Open2025;8(9):e2528858.September 2, 2025Journal Article

Human Telephone vs Text Message Counseling and Physical Activity Among Midlife and Older Adults: A Randomized Clinical Trial.

Abby C King1,2, Maria Ines Campero1, Patricia Rodriguez Espinosa1, Dulce Garcia1, Cecilia Corral3, Cynthia Castro Sweet2,4, Lan Xiao1, Michael F Royer2, Astrid Zamora1, Ana L Cortes2,5, Monica Done2,6, Jorge A Banda7
1Department of Epidemiology & Population Health, Stanford University School of Medicine, Stanford, California.
2Department of Medicine, Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, California.
3CareMessage, San Francisco, California.
4Now with Hinge Health, San Francisco, California.
5Now with Department of Pediatrics, Stanford University School of Medicine, Stanford, California.
6Now with Department of Psychology, University of Nevada, Las Vegas.
7College of Health and Human Sciences, Purdue University, West Lafayette, Indiana.

Abstract

IMPORTANCE: While walking and similar physical activities provide numerous health benefits, particularly for aging inactive adults, many interventions are not accessible or relevant for all populations. Expanding the range of effective programs represents a critical goal. OBJECTIVE: To test whether counseling delivered by a customized, computer-driven short message service (SMS) system is compara…

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