Adverse childhood experiences (ACEs) and hazardous drinking are established risk factors for depression, but their interaction effects across varying levels of symptom severity remain underexplored. This study investigates how latent patterns of ACEs interact with hazardous drinking to influence depressive symptoms among Korean adults. Using data from 3944 adults in the 2017 Child and Family Life Experience Survey, we identified ACE typologies via latent class analysis (LCA) and examined their effects on depression using quantile regression models stratified by drinking status. Four ACEs classes were categorized: 1) Low adversity (38.5%), 2) Domestic violence and dysfunction (34.2%), 3) Community-based violence exposure (13.4%), and 4) Severe and multifaceted trauma (12.5%). Community-based violence exposure had a significant effect across nearly all quantiles, with coefficients increasing from the 40th quantile (β = 1.14, 95% CI = 0.40, 1.88) to the 90th quantile (β = 2.16, 95% CI = 1.23, 3.10). Severe and multifaceted trauma exhibited the strongest association with depression, showing a significant and increasing effect from 20th (β = 1.71, 95% CI = 0.88, 2.54) to 90th (β = 3.67, 95% CI = 1.94, 5.20). ACEs and hazardous alcohol consumption have a synergistic impact on depressive symptoms, particularly among individuals with severe and multifaceted trauma. These findings support trauma-informed stratified interventions that address both early adversity and alcohol misuse within public mental health frameworks.
Lee et al. (Tue,) studied this question.
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