Effects of peer support and mobile application-based walking programme on physical activity and physical function in rural older adults: a cluster randomized controlled trial

Key summary points Aim To assess the effectiveness of a 3-month peer support and mobile application-based walking programme on physical activity and physical function in rural older Chinese adults. Findings (1) Peer support and mobile application-based walking programme increased physical activity and grip strength but not gait speed, chair-rising time, or body composition in rural older Chinese adults. (2) Increases in daily steps were associated with gains in gait speed and decreases in chair-rising time. Message Peer support and mobile application-based walking programme improved physical activity and physical function in rural older adults.