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 college transition period. Digital tools like Minder are being studied because they can reach large student populations in a scalable and accessible way. Results from this trial provide clinical evidence on whether app-based interventions can meaningfully improve mental health and substance use outcomes in this high-risk demographic.
#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.
Topic area: Anxiety & PTSD |
CED Score: 12
Design: 5 Journal: 0 N: 3 Recency: 1 Pop: 2 Human: 1 Risk: 0
This randomized controlled trial evaluates a scalable digital intervention that addresses the critical clinical gap in mental health and substance use support during the high-risk transition period of university attendance, when both conditions typically emerge. The study’s findings on the Minder app’s effectiveness provide evidence for whether mobile health interventions can meaningfully improve clinical outcomes in this vulnerable population, potentially informing clinical practice guidelines and resource allocation for university mental health services. By testing a student-codeveloped intervention, the research determines whether participatory design approaches produce clinically meaningful improvements compared to standard care or control conditions.
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 examining a student-codeveloped mental health and substance use app addresses a genuine clinical need, as university years often mark critical windows for intervention in emerging psychiatric and addiction disorders. The study’s strength lies in its pragmatic design and focus on digital accessibility for a population that may underutilize traditional care, yet we should note that app-based interventions typically show larger effects in controlled research settings than in real-world deployment, and outcomes likely depend heavily on user engagement rates, which remain a significant limitation in digital mental health. Additionally, the abstract does not specify whether substance use outcomes were measured objectively or by self-report, which matters considerably when assessing intervention efficacy in this domain. For clinicians, the key takeaway is that while such tools may serve as useful adjuncts to standard care or as low-barrier entry points for students reluctant to seek in-person evaluation, they should not be positioned as replacements for comprehensive assessment and direct clinical contact when substance use or moderate to severe mental health conditions are present.
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