Clinical Takeaway
A randomized controlled trial tested the Minder mobile app, co-designed with university students, to address mental health and substance use concerns during the vulnerable college transition period. Digital tools like Minder are being evaluated as scalable, accessible options for students who may not seek traditional care. Results from this trial provide evidence-based guidance on whether app-based interventions can meaningfully improve real-world mental health and substance use outcomes in this population.
#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 during a critical developmental window when mental health and substance use disorders commonly emerge. The study’s focus on a student-codeveloped mobile app addresses the significant treatment gap in university mental health services and provides clinical evidence for whether digital interventions can effectively reduce both mental health symptoms and substance use in this population. Positive findings would support the integration of evidence-based mobile health tools into university health systems, offering an accessible alternative or complement to traditional clinical services for students who might otherwise remain untreated.
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 digital mental health interventions show promise for university populations, this study’s findings on the Minder app warrant measured interpretation given the inherent challenges in mobile health research. The scalability and accessibility of app-based tools are genuinely valuable for students during vulnerable transitional periods, yet we must consider potential confounders such as selection bias toward more engaged users, placebo effects from novel technology, and the difficulty of maintaining longitudinal engagement in young adult populations. The study’s focus on both mental health and substance use is clinically relevant, though cannabis-specific outcomes deserve scrutiny given evolving cannabinoid formulations and individual variability in response. In clinical practice, while recommending evidence-based mobile apps as adjunctive support for student mental health may be reasonable, they should complement rather than replace direct assessment and ongoing provider oversight, particularly for students with significant substance use or psychiatric comorbidity.
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