THE EFFECT OF FRAILTY ON COGNITION IN OLDER ADULTS: THE MEDIATING ROLE OF DEPRESSIVE SYMPTOMS
2024

The Effect of Frailty on Cognition in Older Adults

Sample size: 1503 publication

Author Information

Author(s): Yuan Yiyang, Lapane Kate

Primary Institution: University of Massachusetts Chan Medical School

Hypothesis

This study aims to examine the effect of physical frailty on cognitive function with depressive symptoms as a mediator in older adults.

Conclusion

Physical frailty decreases cognitive function, but the effects may not be clinically meaningful due to the short follow-up period.

Supporting Evidence

  • Physical frailty was measured using the Fried frailty phenotype.
  • Depressive symptoms were assessed using the Center for Epidemiological Studies Depression Scale.
  • Cognitive function was measured using the Mini-Mental State Examination.

Takeaway

Being physically frail can make it harder for older people to think clearly, and feeling sad can make this even worse.

Methodology

Causal mediation analysis was used to assess the effects of physical frailty and depressive symptoms on cognitive function.

Limitations

The lack of clinically meaningful effects is likely due to the short length of follow-up.

Participant Demographics

Adults aged 65 and above in the United States.

Statistical Information

Confidence Interval

95% CI: -0.59 to 0.07

Digital Object Identifier (DOI)

10.1093/geroni/igae098.2773

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