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Injurious falls before, during, and after depression diagnosis: Results from two longitudinal population-based
Lulu Zhang1, Jiao Wang2, Xiaokang Dong3
1Department of Medical Records Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; School of Public Health, Tianjin Medical University, Tianjin, China.
Injurious falls increase depression risk, particularly before age 45 and after age 60. Fall incidence rises before depression diagnosis and declines afterward.
Area of Science:
- Gerontology
- Epidemiology
- Psychiatry
Background:
- Investigating the link between injurious falls and depression is crucial for public health.
- Understanding the temporal relationship between falls and depression can inform preventative strategies.
Purpose of the Study:
- To examine the association between injurious falls and the subsequent risk of depression.
- To analyze the long-term trajectory of injurious falls in relation to depression diagnosis.
Main Methods:
- Population-based prospective cohort study using UK Biobank and Swedish Twin Registry data.
- Matched case-control analysis comparing individuals with depression to matched controls.
- Assessment of injurious fall trajectories and incident depression over extended follow-up periods.
Main Results:
- Injurious falls at any age are associated with an increased risk of depression (HR 1.44, OR 1.48).
- The association is stronger for falls before age 45 and after age 60.
- Injurious fall incidence increases 3 years pre-depression diagnosis and declines 6 years post-diagnosis.
Conclusions:
- Injurious falls are a significant risk factor for developing depression.
- Falls occurring in younger adulthood (before 45) and older age (after 60) warrant particular attention.
- The pre-diagnostic rise in falls suggests a potential prodromal phase for depression.
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