Evaluating the naturalistic implementation of a peer-coaching service to augment online acceptance and commitment therapy for college mental health

Digital Mental Health Interventions (DMHIs) offer accessible and scalable mental health services for college students; however, program adherence is often suboptimal. Peer-delivered coaching is an innovative solution to improve DMHI adherence rates but has yet to be examined in a naturalistic setting to assess implementation and scalability when provided as a public service. To test the external validity of peer-support coaching, we collected data from a naturalistic university sample of students using a free online self-help program, Acceptance and Commitment Therapy (ACT) Guide. The predictors of peer coaching sign-ups, feasibility of implementing a peer coaching program, and effects of peer coaching on DMHI adherence were examined. Of the total sample who registered for ACT Guide, 17.2 % enrolled in peer coaching services. Students who identified as men and those who had worked with a mental health provider were more likely to sign up for peer-coaching, while older and more anxious students were more likely to engage with peer-coaching calls. Relatively low peer-coaching sign-up and high peer-coaching dropout rates were observed. These findings suggest peer-coaching services within naturalistic settings may be a feasible solution to address DMHI engagement for a small subset of users, though scalability and implementation challenges remain.

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