Pilot Project 1. Feasibility Pilot of a JITAI to Reduce Cannabis Use Among Emerging Adults
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- University of Michigan
- Enrollment
- 122
- Locations
- 1
- Primary Endpoint
- App Feasibility
Study Overview
Brief Summary
This study is being completed to pilot prevention methods to promote wellness and reduce risky behaviors, including the use of substances such as cannabis. This study will help researchers learn about ways of delivering this information that is both appealing and helpful to young adults who use mobile apps.
Study Design
- Study Type
- Interventional
- Allocation
- Na
- Intervention Model
- Single Group
- Primary Purpose
- Other
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to 25 Years (Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Reside in the US
- •Speak and read English
- •Have a smartphone on which the app can be downloaded
- •Screen positive for cannabis use 3 or more times each week over the past month
- •Report motivation to change cannabis as 1 or higher (using scale of 0-10)
- •Meet Study verification criteria (i.e., use of CAPTCHA, IP address checks)
Exclusion Criteria
- •Use of Medical Cannabis
- •Failure to meet study verification criteria
Arms & Interventions
JITAI
Experimental: Within-participant micro-randomization
Twice daily in the study, a participant is assigned to receive a message or no message. The micro-randomization will be performed by a reinforcement learning algorithm based on the participant's engagement with the intervention.
Intervention: Just-In-Time-Adaptive-Intervention (JITAI) (Other)
Outcomes
Primary Outcomes
App Feasibility
Time Frame: 1 month
% of participants who consented to the study who download the MiWaves app.
App Acceptability
Time Frame: 1 month
Participants will complete acceptability ratings for the MiWaves app within their post-test assessment (percent with positive rating).
Secondary Outcomes
No secondary outcomes reported
Investigators
Inbal Billie Nahum-Shani
Associate Professor
University of Michigan