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Chronic kidney failure

Chronic Kidney Disease Mortality Risk Mediated by 24-Hour Movement Behaviors

Strategic Insights

— 2 min read

Chronic kidney disease (CKD) patients who spend more time being sedentary and less time engaging in moderate to vigorous physical activity are at a higher risk of mortality, according to a new prospective cohort study published in the Journal of Physical Activity and Health. The research, conducted by investigators from Jinan University in Guangzhou, People's Republic of China, analyzed data from 88,795 participants aged 43-78 who were part of the UK Biobank with valid accelerometer data. The study found that reallocating sedentary behavior with physical activity can improve survival in CKD populations.

Key Takeaways:

  • A prospective cohort study of 88,795 participants aged 43-78 found that chronic kidney disease (CKD) increased all-cause mortality risk through greater sedentary behavior and reduced light-intensity physical activity and moderate to vigorous physical activity.
  • The study found that reallocating 20 minutes per day of sedentary behavior to moderate to vigorous physical activity increased life expectancy by 1.70 years at age 45.
  • The research concluded that interventions that reduce sedentary behavior and increase moderate to vigorous physical activity can improve survival in CKD populations.
  • The study's compositional mediation model assessed whether 24-hour movement behaviors mediate the CKD-mortality association.
  • The flexible parametric hazards model used to estimate life expectancy under various reallocation scenarios of 24-hour movement behaviors found that CKD increased all-cause mortality risk through greater sedentary behavior and reduced light-intensity physical activity and moderate to vigorous physical activity.
  • The study's findings emphasize the importance of physical activity in reducing mortality risk in CKD patients.

Statistics:

  • 88,795 participants aged 43-78 were part of the UK Biobank with valid accelerometer data.
  • 3673 participants developed chronic kidney disease criteria.
  • 3117 deaths occurred during the 8.10-year median follow-up period.
  • The hazard ratios for the association between CKD and all-cause mortality risk were 1.040 (95% confidence interval, 1.030-1.050).
  • Reallocating sedentary behavior with physical activity increased life expectancy by 1.70 years at age 45 (95% confidence interval, 0.51-4.34).

Sources:

  • Huang, Y., Wang, Z., Xu, J., Lawrence, W. R., Chen, J., Cai, Y., Zhang, T., Mo, Q., Gao, Y., & Lin, Z. (2025). The Mediating Effect of 24-Hour Movement Behaviors on Mortality Risk in Chronic Kidney Disease: A Compositional Mediation and Life Expectancy Analysis. Journal of Physical Activity and Health, 2025:1-8.
  • NewsRx. Studies from Jinan University Provide New Data on Chronic Kidney Disease (The Mediating Effect of 24-Hour Movement Behaviors on Mortality Risk in Chronic Kidney Disease: A Compositional Mediation and Life Expectancy Analysis). Gastroenterology Week. November 3, 2025; p 1017.

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