Clinical Takeaway
A randomized controlled trial tested the Minder mobile app, co-developed with university students, to address mental health and substance use challenges during the vulnerable college transition period. Digital tools like Minder are being evaluated as scalable, student-acceptable interventions for this population. Results from this trial provide evidence on whether app-based support can meaningfully improve mental health and substance use outcomes in real-world student settings.
#4 Effectiveness of the Minder Mobile Mental Health and Substance Use Intervention for University Students: Randomized Controlled Trial.
Citation: Vereschagin Melissa et al.. Effectiveness of the Minder Mobile Mental Health and Substance Use Intervention for University Students: Randomized Controlled Trial.. Journal of medical Internet research. 2024. PMID: 38536225.
Design: 5 Journal: 0 N: 3 Recency: 1 Pop: 2 Human: 1 Risk: 0
This randomized controlled trial evaluates a scalable digital intervention specifically designed for a high-risk population experiencing emerging mental health and substance use disorders during a critical developmental period. The study addresses a significant clinical gap by testing whether a student-codeveloped mobile app can effectively reduce symptom burden and substance use in university students, populations traditionally underserved by conventional mental health infrastructure. Positive efficacy results would support the integration of this technology into campus mental health systems as an accessible, adaptable tool to extend clinical reach during the vulnerable transition years of higher education.
Abstract: BACKGROUND: University attendance represents a transition period for students that often coincides with the emergence of mental health and substance use challenges. Digital interventions have been identified as a promising means of supporting students due to their scalability, adaptability, and acceptability. Minder is a mental health and substance use mobile app that was codeveloped with university students. OBJECTIVE: This study aims to examine the effectiveness of the Minder mobile app in improving mental health and substance use outcomes in a general population of university students. METHODS: A 2-arm, parallel-assignment, single-blinded, 30-day randomized controlled trial was used to evaluate Minder using intention-to-treat analysis. In total, 1489 participants were recruited and randomly assigned to the intervention (n=743, 49.9%) or waitlist control (n=746, 50.1%) condition. The Minder app delivers evidence-based content through an automated chatbot and connects participants with services and university social groups. Participants are also assigned a trained peer coach to support them. The primary outcomes were measured through in-app self-assessments and included changes in general anxiety symptomology, depressive symptomology, and alcohol consumption risk measured using the 7-item General Anxiety Disorder scale, 9-item Patient Health Questionnaire, and US Alcohol Use Disorders Identification Test-Consumption Scale, respectively, from baseline to 30-day follow-up. Secondary outcomes included measures related to changes in the frequency of substance use (cannabis, alcohol, opioids, and nonmedical stimulants) and mental well-being. Generalized linear mixed-effects models were used to examine each outcome. RESULTS: In total, 79.3% (589/743) of participants in the intervention group and 83% (619/746) of participants in the control group completed the follow-up survey. The intervention group had significantly greater average reductions in anxiety symptoms measure
? This randomized controlled trial examines a student-codeveloped mobile app for mental health and substance use support during the vulnerable university transition period, which is methodologically sound but requires careful interpretation given the inherent challenges of digital intervention research. The involvement of students in app design enhances ecological validity and user engagement, though we should remain attentive to potential selection bias (early adopters of digital tools may differ systematically from the broader student population) and the difficulty of maintaining blinding in behavioral interventions. The scalability advantage of mobile apps is genuine and addresses real access barriers on campuses, but this study will ultimately tell us whether the Minder app works better than usual care or attention control, not whether digital interventions in general are effective for these conditions. Clinically, if this trial demonstrates meaningful improvements in mental health or substance use outcomes, the app could serve as a useful adjunct or entry point for students who might otherwise avoid traditional counseling services, though we should counsel students and families that any mobile app functions best as part of a comprehensive
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