Traumatic Brain Injury and Depression in a Community-Based Sample: A Cohort Study Across the Adult Life Span

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Osborn, AJ
Mathias, JL
Fairweather-Schmidt, A K
Anstey, Kaarin

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Lippincott Williams & Wilkins Ltd.

Abstract

Objectives: To determine whether self-reported traumatic brain injuries (TBIs) are associated with "cases" of clinically significant depression in the general community. To examine interactions between variables previously linked to depression after a TBI. Setting: Population-based community study (Canberra and Queanbeyan, Australia). Participants and Design: Three age cohorts: young, middle-aged, and older adults (aged 20-24, 40-44, and 6064 years at baseline) randomly selected from the electoral roll and followed across 3 waves (4 years apart). A total of 7397, 6621, and 6042 people provided their TBI history in waves 1 to 3. Measures: Lifetime (TBIlifetime: sustained at any time since birth), recent (TBIrecent: in the preceding 4 years), and multiple (TBImultiple: more than 1) TBIs, current depression, and known risk factors for depression (age, sex, marital/employment status, prior history of depression, medical conditions, recent life events, alcohol consumption, social support, physical activity). Results: Generalized estimating equations demonstrated a significant association between sustaining a TBI and experiencing clinically significant depression (cases), even after controlling for multiple demographic and health/lifestyle factors. Conclusion: There is an enduring association between depression and TBI, suggesting that, following a TBI, individuals should be monitored and supported to optimize their long-term psychological health.

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Journal of Head Trauma Rehabilitation

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Restricted until

2099-12-31