Association of biological age acceleration with mortality in adults with diabetes or prediabetes: a mediating role of physical activity

Oct 30, 2025Aging clinical and experimental research

Faster biological aging linked to higher death risk in adults with diabetes or prediabetes, partly through physical activity levels

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Abstract

Participants in the high tertile of acceleration had a 35% higher risk of all-cause mortality compared to those in the low tertile.

  • 1,445 deaths occurred over a median follow-up period of 94 months among 7,337 participants.
  • Biological age acceleration was assessed using the .
  • Engaging in β‰₯ 600 of physical activity was associated with a lower risk of all-cause mortality.
  • Physical activity accounted for 17.53% of the association between biological age acceleration and all-cause mortality.
  • Similar associations were observed for cardiovascular mortality.

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Key numbers

1.35
Increase in Mortality Risk
HR for all-cause mortality in high vs. low tertiles.
0.86
Lower Mortality Risk with
HR for all-cause mortality with β‰₯ 600 vs. < 600.
17.53%
Proportion of
Percentage of the association explained by .

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