Relationships between potentially traumatic events, sleep disturbances, and symptoms of PTSD and alcohol use disorder in a young adult sample

Sleep Medicine
Mackenzie J LindAnanda B Amstadter

Abstract

Traumatic events, particularly those that are interpersonal in nature, are associated with increased risk for co-occurring sequelae, including sleep disturbances, posttraumatic stress disorder (PTSD), and alcohol use disorder (AUD). However, the associations between these phenotypes have not been explored among college students. We examined relationships between type of potentially traumatic event (PTE) exposure (pre-college) and sleep disturbances, as well as mediating effects of lifetime PTSD and AUD symptoms on these relationships, in a large undergraduate sample (N = 1599, 64.7% female). Hierarchical linear regressions were conducted, beginning with demographics and then adding interpersonal and accidental PTEs in a stepwise regression; mediation analyses were run. Within the sample, 33.7% endorsed at least one interpersonal PTE, while 64.4% endorsed at least one accidental PTE. Hierarchical regressions demonstrated that interpersonal (β = 0.202, p = 0.000), but not accidental PTE exposure significantly predicted disturbed sleep. Both PTSD and AUD symptoms significantly mediated (p values < 0.001) the relationship between interpersonal PTE exposure and sleep, with indirect effects accounting for 61% and 17% of total effects...Continue Reading

Citations

Oct 7, 2018·Journal of Clinical Psychology·Allison B WilliamsBruce Rybarczyk
Jul 23, 2020·Journal of Ethnicity in Substance Abuse·Chloe J WalkerDanielle M Dick
Dec 2, 2020·Journal of American College Health : J of ACH·S E CusackA B Amstadter
Jun 22, 2020·The Lancet. Psychiatry·Daniel FreemanPaul J Harrison

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