Child abuse & neglect · 2024
Co-occurring experiences of traumatic events and substance use among young people.
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Kihas Ivana, Barrett Emma L, Teesson Maree, Touyz Stephen W, Newton Nicola C, Mills Katherine L
Аннотация
OBJECTIVE: Harmful substance use among young people is concerningly prevalent. Substance use disorder (SUD) and post-traumatic stress disorder (PTSD) frequently co-occur in treatment settings and are well researched among adults but lacking among young community cohorts. The aim of this study was to explore the prevalence and relationship between substance use, SUD, trauma, and PTSD among a community sample of young people in Australia.
METHOD: A cross-sectional examination of data collected from participants (n = 1007, 48.9 % male) aged 18-22 years (M = 20 years, SD = 0.44), who took part in the 7-year follow-up of a cluster RCT of school-based substance use prevention interventions: The Climate and Preventure (CAP) study. A series of regressions were conducted to examine the relationship between trauma-related variables and substance use outcomes.
RESULTS: 48.3 % experienced a traumatic event (median = 2, range = 1-11) and of those 10.9 % met a probable PTSD diagnosis. Median age of first trauma exposure was 14 years (range = 0-21). 89.9 % used substances; 73.1 % reported binge drinking, and 35.6 % met a probable diagnosis of SUD (alcohol/cannabis). Those who experienced any traumatic event had almost 1.5 times greater odds of binge drinking. Cannabis use was significantly associated with most trauma-related variables. Sexual trauma exposure was the only trauma type significantly associated with all substance use variables.
CONCLUSIONS: This study demonstrated that substance use/SUD and experiences of trauma/PTSD are prevalent among a community sample of young people. Importantly, substance use among young people is associated with experiencing a traumatic event, particularly sexual and physical types of traumatic events, and developing PTSD.
METHOD: A cross-sectional examination of data collected from participants (n = 1007, 48.9 % male) aged 18-22 years (M = 20 years, SD = 0.44), who took part in the 7-year follow-up of a cluster RCT of school-based substance use prevention interventions: The Climate and Preventure (CAP) study. A series of regressions were conducted to examine the relationship between trauma-related variables and substance use outcomes.
RESULTS: 48.3 % experienced a traumatic event (median = 2, range = 1-11) and of those 10.9 % met a probable PTSD diagnosis. Median age of first trauma exposure was 14 years (range = 0-21). 89.9 % used substances; 73.1 % reported binge drinking, and 35.6 % met a probable diagnosis of SUD (alcohol/cannabis). Those who experienced any traumatic event had almost 1.5 times greater odds of binge drinking. Cannabis use was significantly associated with most trauma-related variables. Sexual trauma exposure was the only trauma type significantly associated with all substance use variables.
CONCLUSIONS: This study demonstrated that substance use/SUD and experiences of trauma/PTSD are prevalent among a community sample of young people. Importantly, substance use among young people is associated with experiencing a traumatic event, particularly sexual and physical types of traumatic events, and developing PTSD.