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Study breakdown

Having a Family Member in Prison Linked to Earlier and More Frequent Substance Use in Teens

Cross SectionalModerate evidence
The takeaway

Adolescents with incarcerated family members had 63% higher odds of early cannabis initiation and 71% higher odds of current use, beyond other adverse childhood experiences.

Youth prevention specialists; criminal justice reform advocates; school counselors.

71% higher odds of current cannabis use with family incarceration

What the researchers found

Using coarsened exact matching, family incarceration was associated with higher odds of early cannabis initiation (OR=1.63), past 30-day cannabis (OR=1.71), early alcohol initiation (OR=2.54), current alcohol (OR=2.11), and nicotine (OR=1.72).

Why it matters

Family incarceration affects millions of children disproportionately in communities of color. This isolates its unique contribution to substance use beyond other adversities.

The numbers in context

Early cannabis: OR=1.63 (1.03-2.59). Current cannabis: OR=1.71 (1.17-2.48). Early alcohol: OR=2.54 (1.64-3.90). Current alcohol: OR=2.11 (1.50-2.94). Nicotine: OR=1.72 (1.21-2.45).

How the study worked

Baseline survey of high school students. Coarsened exact matching balanced groups on other ACEs, demographics, and SES.

What this study cannot tell us

Cross-sectional baseline. Self-reported. Cannot determine which family member or duration. Matching cannot eliminate all confounding.

How to read the evidence

Well-matched analysis isolating family incarceration, but cross-sectional.

When this study was published

2025 study

The bigger picture

Mass incarceration creates generational ripple effects. Understanding substance use consequences can inform criminal justice reform and youth prevention.

Questions still open

  • Would family support programs during incarceration reduce youth substance use? Does type or duration of incarceration matter?

Common questions

How is family incarceration different from other childhood traumas?
This study used matching to show it has an independent effect on substance use beyond what other traumas explain.
Which substances were most affected?
Early alcohol initiation had the strongest association (2.54x odds), followed by current alcohol (2.11x), nicotine (1.72x), current cannabis (1.71x), and early cannabis (1.63x).

Read the original research

Family incarceration and adolescent nicotine, alcohol, and cannabis use: A coarsened exact matching approach.

Addictive behaviors, 164, 108270

Citation

Forster, Myriam; Shaverdi, Abnous; Zhang, Xiao; Toledo-Corral, Claudia M; Grigsby, Timothy J. (2025). Family incarceration and adolescent nicotine, alcohol, and cannabis use: A coarsened exact matching approach.. Addictive behaviors, 164, 108270. https://doi.org/10.1016/j.addbeh.2025.108270

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