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April 8, 2026HealthcareOpen Access

Association Between Social Participation, Physical Activity, and Intrinsic Capacity Decline: Empirical Evidence from the CHARLS

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Authors

LHLina HuUniversity of Science and Technology of ChinaJTJing TanXuzhou Medical CollegeCPChuan PuChongqing Public Health Medical Center

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Implication

Empirical evidence shows social and physical activities reduce intrinsic capacity decline in older adults, indicating key interventions for health improvement.

Key Points

  • This research investigates how social participation and physical activity are linked to changes in intrinsic capacity among the elderly.
  • Analyzed CHARLS data from 2015 with 3502 complete samples
  • Assessed social participation and physical activity through self-reported surveys
  • Evaluated intrinsic capacity based on WHO criteria in five areas
  • Applied logistic regression and restricted cubic splines for data analysis
  • Conducted subgroup analyses based on age, gender, sleep duration, and chronic diseases
  • Moderate to high social participation linked to lower risk of intrinsic capacity decline (OR = 0.80, p = 0.012; OR = 0.56, p < 0.001)
  • Moderate to high physical activity associated with reduced risk of decline (OR = 0.72, p = 0.019; OR = 0.74, p = 0.016)
  • Identified a negative correlation between social participation and intrinsic capacity decline
  • Established U-shaped relationship between physical activity and intrinsic capacity decline
  • No significant interaction found between social participation and physical activity (p = 0.778)

Cite This Study

Hu et al. (2026) studied this question.

synapsesocial.com/papers/69d5f0d774eaea4b11a7a51chttps://doi.org/10.3390/healthcare14070936
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