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Original Research

Sleep disturbances among older adults following traumatic brain injury

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Pages 31-38 | Received 01 Jul 2019, Accepted 10 Aug 2019, Published online: 23 Sep 2019
 

Abstract

Sleep disturbances are common sequelae of traumatic brain injury (TBI) that are associated with poorer recovery. This is important among older adults, who fare worse following TBI relative to younger adults and have a higher prevalence of sleep disorders. The objective of this study was to assess the risk of newly-diagnosed sleep disorders following TBI among adults ≥65 years. Using a large commercial insurance database, older adults diagnosed with TBI between 2008–2014 (n = 78,044) and non-TBI controls (n = 76,107) were identified. The first dates of diagnosis of four common sleep disorders (hypersomnia, insomnia, obstructive sleep apnea, and restless legs syndrome) and a composite of any sleep disorder were identified. To compare groups, this study used a difference-in-differences (DID) approach, accounting for pre-index differences between cohorts and the trends in sleep diagnoses over time. Individuals with TBI were more likely to have any newly-diagnosed sleep disorder before (14.1% vs 9.4%, p < 0.001) and after (22.7% vs 14.1%, p < 0.001) the index date. In fully adjusted DID models, TBI was associated with an increased risk of insomnia (rate ratio (RR) = 1.17; 95% confidence interval (CI) = 1.08–1.26) and any sleep disorder (RR = 1.13; 95% CI = 1.08–1.19). Following TBI among older adults, screening and education on sleep disorders should be considered.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

Dr Albrecht was supported by AHRQ grant K01HS024560. Dr Albrecht and Dr Wickwire’s institution has received research funding from the AASM Foundation, the Department of Defense, Merck, and ResMed. Dr Wickwire has served as a scientific consultant for DayZz, Eisai, Merck, and Purdue, and is an equity shareholder in WellTap

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