The interrelationships among insomnia, frailty, anxiety, and cognitive function in middle-aged and older adults: a cross-sectional study - Report - MDSpire
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The interrelationships among insomnia, frailty, anxiety, and cognitive function in middle-aged and older adults: a cross-sectional study
Clinical Report: Exploring the Connections Between Insomnia, Frailty, Anxiety, and Cognitive Abilities in Older Adults
Overview
This study investigates the relationships among insomnia, anxiety, frailty, and cognitive function in older adults, highlighting the moderating role of frailty in the anxiety-mediated pathway between insomnia and cognitive impairment. Findings indicate that pre-frailty amplifies the negative impact of insomnia on cognitive health.
Background
Insomnia is prevalent among older adults and significantly affects their quality of life. It is associated with cognitive decline, and understanding its relationship with anxiety and frailty is crucial for promoting healthy aging. Identifying these interconnections can help in developing targeted interventions to preserve cognitive health in this population.
Data Highlights
Variable
Effect Size
p-value
Pre-frailty moderating insomnia-anxiety
β = 1.029
0.017
Indirect effect of insomnia on cognition (robust)
β = −0.053
95% CI [−0.111, −0.004]
Indirect effect of insomnia on cognition (pre-frail)
β = −0.090
95% CI [−0.179, −0.007]
Index of moderated mediation
Index = −0.037
95% CI [−0.101, −0.0003]
Frailty predicting cognitive function
β = −1.3
p < 0.001
Insomnia severity predicting cognitive function
β = −0.176
p < 0.001
Key Findings
Pre-frailty significantly moderates the relationship between insomnia and anxiety.
The indirect effect of insomnia on cognitive function through anxiety is significant in both robust and pre-frail individuals.
The anxiety-mediated pathway is stronger in pre-frail individuals compared to robust individuals.
Both frailty and insomnia severity independently predict cognitive function.
Integrated interventions targeting insomnia, anxiety, and pre-frailty may benefit cognitive health.
Clinical Implications
Clinicians should consider the role of frailty when assessing insomnia and anxiety in older adults, as it may amplify cognitive impairment. Targeted interventions addressing insomnia and anxiety in pre-frail individuals could be particularly effective in preserving cognitive health.
Conclusion
The study highlights the complex interplay between insomnia, anxiety, and frailty in older adults, emphasizing the need for integrated approaches to manage these conditions and support cognitive health.
