Date of Award

5-2023

Degree Type

Thesis

Degree Name

Master of Arts in Psychology

Department

Psychology

First Advisor

Goncy, Elizabeth

Second Advisor

Yaroslavsky, Ilya

Third Advisor

Reardon, Kathleen

Abstract

The COVID-19 pandemic is a collective trauma that caused profound disruptions in day-to-day life and negatively impacted the psychological well-being of many emerging adults. Existing research shows that experiencing quarantine due to disease exposure or illness exacerbates psychological distress, particularly among people with existing symptoms of posttraumatic stress disorder (Solomon et al., 2021). Research points to problematic alcohol and other substance use as a mechanism in the development and maintenance of PTSD (Tripp et al., 2020). However, alcohol and other substance use has yet to be implicated in the exacerbation of PTSD symptoms among emerging adults in the context of the COVID-19 pandemic. The present study attempts to address these gaps in the scientific literature. It was hypothesized that A) pre-pandemic PTSD symptoms will positively associate with PTSD symptoms measured during the pandemic, B) problematic alcohol and other substance use will mediate the relationship between pre-pandemic PTSD symptoms and PTSD symptoms during the pandemic, and C) emerging adults who experience quarantine due to COVID-19 exposure or illness will report elevated symptoms of PTSD relative to those who did not.

Participants (N=39) from the first wave of the study completed measures for the second wave of the study via an online survey between December 2021 and March 2022. Participants reported on their symptoms of psychological distress, use of alcohol and other substances, and quarantine experience. As expected, symptoms of PTSD at wave 1 predicted symptoms of PTSD at wave 2. However, no mediating effects of problematic alcohol or other substance use on the association between PTSD symptoms at waves 1 and 2 were detected. Similarly, quarantine experience was not found to moderate the relationship between PTSD symptoms at waves 1 and 2.

These results suggest that symptoms of PTSD among young adults worsened under the conditions of the COVID-19 pandemic, but there was no evidence that problematic alcohol or other substance use explains this association. Additionally, PTSD symptoms were not found to differ as a function of quarantine experience. These results implicate emerging adults as a population of focus for prevention work and treatment of PTSD associated with global health disasters.

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