Authors
Ningning Liu, Guofeng Zhang, Xiaoyuan Han, Ning Gai, Yuan Gao, Wenjun Wang, Xue Yao
Published in
Frontiers in public health. Volume 14. Pages 1902864. Epub Sep 23, 2026.
Abstract
As digital life prevails among older adults, this study investigates how mobile social media functions affect their exercise identity and social-media-specific sedentary time.
Using the S-O-R framework, a dual-path model was tested with SEM (AMOS 20.0) on data from 452 older adults in China.
Overall, mobile social media functions were not significantly associated with exercise identity or social-media-specific sedentary time. However, specific functions showed divergent effects: information retrieval (Z = 6.06, 95% CI [0.14, 0.27]), online guidance (Z = 3.32, 95% CI [0.08, 0.57]), and social comparison (Z = 2.44, 95% CI [0.05, 0.30]) positively predicted exercise identity, whereas video media and personalized algorithms negatively predicted exercise identity (Z = -1.32, 95% CI [-0.57, -0.04]) and positively predicted social-media-specific sedentary time (Z = 2.42, 95% CI [0.17, 1.01]). Perceived value mediated the effects of attention and interaction (Z = 2.56, 95% CI [0.009, 0.05]) and recording (Z = 3.30, 95% CI [0.03, 0.12]) on exercise identity. Immersive experience mediated the effect of video media and personalized algorithms on social-media-specific sedentary time (Z = 1.41, 95% CI [0.006, 0.19]).
Mobile social media exerts dual effects on older adults' exercise identity. Video media and personalized algorithms are key risk factors for social-media-specific sedentary time, while perceived value and immersive experience mediate distinct pathways.
PMID:
42845933
Bibliographic data and abstract were imported from PubMed on 08 Oct 2026.
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