Among 371 juvenile detainees aged 10-16, lifetime cannabis use was 54% and daily use was 16%, far exceeding general population rates, but cannabis use did not independently predict more charges or detentions.
Read this if you work with justice-involved youth and want to understand the role of cannabis use.
54% lifetime cannabis use among detained youth ages 10-16
What the researchers found
Researchers examined a random 20% sample of all juveniles in Connecticut's state detention facilities. Lifetime marijuana use was 54% and daily use was 16%, both substantially higher than general population rates for this age group.
Daily cannabis users demonstrated a more negative mental health profile compared to other detainees. However, they did not differ from the rest of the sample on criminal justice indicators such as total number of detentions, number of charges, or types of charges.
The findings suggest that among court-involved youth, cannabis use functions more as an indicator of mental health problems than as an independent driver of criminal behavior.
Why it matters
Understanding cannabis use patterns among detained youth helps target interventions. If cannabis use signals mental health problems rather than criminal trajectory, treatment approaches should focus on underlying mental health rather than punishing drug use.
The numbers in context
371 detained juveniles, ages 10-16. Lifetime cannabis use: 54%. Daily use: 16%. Daily users had worse mental health profiles. No significant differences in criminal justice indicators between daily users and others.
How the study worked
Cross-sectional study of records from a random 20% sample of all juveniles in Connecticut state detention facilities (n=371, ages 10-16). Data included self-reported cannabis use, mental health indicators, lifetime psychiatric diagnoses, and criminal justice indicators.
What this study cannot tell us
Single state (Connecticut) detention system. Self-reported substance use may be underreported in a detention setting. Cross-sectional design. Records review lacks the depth of direct clinical assessment.
How to read the evidence
Cross-sectional records review from a single state detention system. Descriptive findings with limited causal inference.
When this study was published
Published in 2015 using Connecticut juvenile detention data.
The bigger picture
The debate over how to handle cannabis use among youth in the justice system benefits from evidence like this. If cannabis use is primarily a marker of mental health distress rather than a cause of criminal behavior, punitive responses may be less appropriate than therapeutic ones.
Questions still open
- Would treating mental health problems in detained youth reduce their cannabis use? Do cannabis-using detainees have different recidivism patterns? How does legalization affect cannabis use patterns among justice-involved youth?
Common questions
Does cannabis use among youth lead to crime?
How common is cannabis use among detained youth?
Read the original research
Cannabis use among juvenile detainees: typology, frequency and association.
Criminal behaviour and mental health : CBMH, 25(1), 54-65
Citation
Grigorenko, Elena L; Edwards, Laurel; Chapman, John. (2015). Cannabis use among juvenile detainees: typology, frequency and association.. Criminal behaviour and mental health : CBMH, 25(1), 54-65. https://doi.org/10.1002/cbm.1913
Explore the wider topic
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- Quitting Weed as a Parent: Why It Is the Hardest and Most Important Quit
- Quitting Weed as a Teen or Young Adult
- My Kid Is Smoking Weed: A Parent's Guide