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Published on: August 18, 2020
A brief, web-based personalized feedback selective intervention for college student marijuana use: a randomized
Christine M Lee1, Clayton Neighbors, Jason R Kilmer
1Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA. leecm@u.washington.edu
Summary
A brief web-based intervention showed no overall effect for college marijuana users. However, it was promising for students with a family history of drug problems or those contemplating behavior change.
Area of Science:
- Psychology
- Public Health
- Digital Health
Background:
- College students are a key demographic for marijuana use interventions.
- Brief web-based interventions for marijuana use in college students remain understudied.
- Targeted interventions are needed for at-risk student populations.
Purpose of the Study:
- To evaluate a brief, web-based personalized feedback intervention for at-risk marijuana-using college students.
- To assess the efficacy of personalized feedback compared to an assessment-only control.
- To identify potential moderators of intervention effects.
Main Methods:
- First-year college students completed a baseline questionnaire.
- Participants meeting criteria (N=341) were randomized to personalized feedback or control.
- Follow-up assessments were conducted at 3 and 6 months.
Main Results:
- No overall significant intervention effect was found.
- Moderator analyses revealed positive effects for students with a family history of drug problems.
- Students higher in contemplation of changing marijuana use also showed some benefit.
Conclusions:
- A universal, brief web-based intervention may not be effective for all at-risk college marijuana users.
- Personalized feedback interventions show promise for specific subgroups.
- Future research should focus on selective, tailored web-based interventions for college marijuana use.
