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Study breakdown

Childhood adversity drives cannabis use disorder risk differently across racial and ethnic groups

Cross SectionalStrong evidence
The takeaway

Adverse childhood experiences increased cannabis use disorder risk for all racial groups, but the effect was strongest among Asian/Pacific Islander respondents, and early cannabis use onset amplified the relationship in complex, race-specific ways.

Addiction researchers, public health professionals addressing health disparities, and prevention program designers.

What the researchers found

As ACEs increased, odds of lifetime CUD rose across all groups (aOR 1.45-3.03). The ACE-CUD relationship was strongest among Asian/Pacific Islander respondents. American Indian/Alaska Native individuals had the highest prevalence of lifetime CUD, most ACEs, and earliest onset. Earlier cannabis onset was associated with more CUD for most groups.

Why it matters

Treating cannabis use disorder risk as uniform across racial groups misses important differences. The finding that ACEs interact with age of onset differently by race suggests that prevention programs need culturally tailored approaches.

The numbers in context

Adjusted ORs for ACEs on lifetime CUD: 1.45-3.03 across groups. American Indian/Alaska Native: highest CUD prevalence, most ACEs, earliest onset. Asian/Pacific Islander: strongest ACE-CUD relationship. Earlier onset: lower lifetime CUD aORs 0.85-0.94 for most groups.

How the study worked

Cross-sectional analysis of NESARC-III data examining ACEs, age of cannabis onset, and their interaction on lifetime cannabis use and CUD across five racial/ethnic groups. Logistic regressions stratified by race/ethnicity with sociodemographic controls.

What this study cannot tell us

Cross-sectional NESARC-III data cannot establish temporal causation. Self-reported ACEs and cannabis use subject to recall bias. Some racial/ethnic subgroups had smaller sample sizes. Lumping diverse ethnicities into broad categories may mask within-group variation.

How to read the evidence

Large nationally representative sample (NESARC-III) with appropriate stratified analysis, though cross-sectional design limits causal inference.

When this study was published

2025 publication.

The bigger picture

This study connects three major risk factors, childhood trauma, early substance use, and racial disparities, in a single analysis, showing they interact in ways that simple additive models miss.

Questions still open

  • What cultural factors explain the particularly strong ACE-CUD relationship among Asian/Pacific Islander respondents?
  • Would ACE-informed, culturally tailored prevention programs reduce cannabis use disorder disparities?

Common questions

Why does race matter for cannabis use disorder risk?
Different racial and ethnic groups face different rates of childhood adversity, different average ages of first cannabis use, and different social and cultural contexts that may either buffer or amplify the effects of these risk factors on developing a cannabis use disorder.
Why was the ACE effect strongest for Asian/Pacific Islander individuals?
The study found the association but cannot fully explain it. Possible factors include cultural stigma around substance use that may mean those who do develop CUD have experienced more extreme adversity, or different baseline rates of cannabis exposure that concentrate risk.

Read the original research

Relations between adverse childhood experiences, racial and ethnic Identity, and cannabis use outcomes.

Addictive behaviors, 167, 108361

Citation

Gette, Jordan A; Espinosa, Adriana. (2025). Relations between adverse childhood experiences, racial and ethnic Identity, and cannabis use outcomes.. Addictive behaviors, 167, 108361. https://doi.org/10.1016/j.addbeh.2025.108361

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