JoVE - Journal of Visualized Experiments
JoVE Visualize
Contact Us

Associations of frailty and its changes with the risks of depressive symptoms: A multi-cohort study

  • 0Huizhou First Hospital, Guangdong Medical University, Huizhou 516001, Guangdong, China.
Archives of Gerontology and Geriatrics +

|

September 9, 2025

|

September 9, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Frailty is linked to a higher risk of depressive symptoms in older adults. Improving frailty status can lower this risk, suggesting interventions may prevent depression.

Area Of Science

  • Gerontology
  • Mental Health Research
  • Epidemiology

Background

  • Frailty is a dynamic condition impacting mental health in aging populations.
  • Understanding frailty's link to depressive symptoms is crucial for public health.

Purpose Of The Study

  • To investigate associations between frailty, changes in frailty, and depressive symptom risk.
  • To analyze these associations across diverse global aging populations.

Main Methods

  • Utilized data from five international cohort studies (US, England, Europe, China, Mexico).
  • Assessed frailty using a comprehensive frailty index and evaluated changes over time.
  • Employed Cox proportional hazards models and meta-analyses to estimate pooled hazard ratios.

Main Results

  • Baseline frailty significantly increased the risk of developing depressive symptoms.
  • Worsening frailty (robust to pre-frail/frail) elevated depressive symptom risk (pooled HR: 1.53).
  • Improving frailty (frail to robust/pre-frail) reduced depressive symptom risk (pooled HR: 0.71).

Conclusions

  • Baseline frailty is a predictor of incident depressive symptoms.
  • Frailty deterioration elevates, while improvement lowers, depressive symptom risk.
  • Targeted frailty interventions may serve as a preventative strategy for depressive symptoms.

Keywords:

Related Concept Videos

Depressive Disorders: Etiology 01:27

451

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...

Depressive Disorders: MDD and Dysthymia 01:27

681

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...

Depression: Overview 01:18

800

Depression is a prevalent mental illness marked by persistent sadness and lack of interest in previously enjoyable activities. It can take several forms, including major depression, persistent depressive disorder, and bipolar I and II disorders. Symptoms range from emotional changes like chronic worry to physical changes like sleep disturbances and suicidal thoughts. From a neurobiological perspective, depression is believed to be triggered by abnormalities in the brain's prefrontal cortex,...

Long-term Depression 01:05

33.2K

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.

Calcium Ion Concentration Mechanism

If over...

Long-term Depression 01:03

3.1K

Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...

Factors Affecting Illness 01:18

5.1K

When a person's physical, emotional, intellectual, social development or spiritual functioning is compromised, this deviation from a healthy normal state is called illness. Illness creates stress that in turn harms individuals. Irritation, anger, denial, hopelessness, and fear are behavioral and emotional changes an individual experiences in the phases of illness. A variety of factors influence a person's health and well-being.
For instance, risk factors are connected to illness,...