Clinical Takeaway
A randomized controlled trial tested the Minder mobile app, co-developed with university students, to address mental health and substance use during a high-risk transitional period. Digital tools like this are being evaluated because they offer scalable, accessible support for a population that faces significant barriers to traditional care. Results from this trial provide evidence on whether a student-designed app can meaningfully improve real-world mental health and substance use outcomes.
#5 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 addressing the critical gap in mental health and substance use treatment accessibility for university students during a high-risk developmental period. The findings provide evidence regarding whether a student-centered mobile app can effectively reduce symptom burden and substance use behaviors in a population with documented barriers to traditional mental health services. Positive efficacy data would support the integration of such digital tools into campus health systems and establish a replicable model for broader implementation in university settings.
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
🧠 While this randomized controlled trial examines a promising digital intervention for mental health and substance use in university students, clinicians should note that mobile app efficacy in controlled research settings often does not fully translate to real-world engagement and sustained behavior change, particularly among the demographic most at risk. The study’s strength lies in its participatory codevelopment approach with end users, which typically improves acceptability, though we still lack clarity on which student populations benefit most, whether cannabis use was specifically addressed versus general substance use, and critical details about intervention intensity, duration of follow-up, and comparison group specifications from the abstract alone. The transition period of university attendance does present a genuine clinical window for early intervention, and scalable digital tools could reduce barriers to care for students reluctant to seek traditional mental health services. Clinicians considering recommending Minder or similar apps should recognize that digital interventions work best as adjuncts to rather than replacements for clinical assessment, and should actively screen for cannabis and other substance use patterns that may not be adequately captured