Introduction: To improve treatment access for emerging adults with cannabis use disorder (CUD), we developed a telehealth counseling-plus-mHealth intervention and remotely conducted a single-arm open pilot study to preliminarily evaluate its feasibility in primary care.
Methods: A multidisciplinary team including youth developed the intervention using the structure of the MOMENT intervention: two weekly counselor-delivered Motivational Enhancement Therapy (MET) sessions, then two weeks of smartphone surveys (4 prompted/day) querying socioemotional contexts and cannabis use, with pre-programmed messages on report of personal triggers for use (Ecological Momentary Intervention; EMI). The team adapted the MET for virtual delivery; created material to enhance self-reflection, plan behavior change, and anticipate withdrawal; shortened the sessions; and tested them with five youth actors. EMI messages were created to align with the MET and programmed to minimize repetition. Patients aged 18-25 using recreational cannabis ≥3 days/week were recruited from an urban medical practice. Participants received the intervention and responded to surveys on satisfaction and burden. At baseline, post-intervention, and two months, participants reported behavior change readiness/importance/confidence and cannabis use. EMI engagement was calculated as % days with ≥1 phone survey completed.
Results: Fourteen eligible patients enrolled; 79 % used cannabis daily/near-daily and 100 % reported use problems. All completed both MET sessions and responded to EMI surveys. All agreed/strongly agreed that they felt respected by, comfortable with, and trust for the counselor and that the activities and discussion were helpful; all rated the MET sessions as very good/excellent. Technical issues were infrequent and minor. Median EMI engagement was 100 % (≥1 report/day) in each week. Behavior change confidence was higher post-intervention and importance and confidence were higher at two months vs. baseline. By two months, 11 participants had started to change cannabis use; median percent days of use in the past 30 days declined by 27 % and average times of use per use day declined by 28 %. All rated intervention quality as good, very good, or excellent.
Conclusions: Emerging adults were highly satisfied and engaged with a telehealth MET counseling-plus-mHealth EMI intervention for cannabis use and reported higher motivation to change cannabis use and less use post-intervention and at 2-month follow-up.
Keywords: Cannabis; Emerging adult; Intervention; Telehealth; mHealth.
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