NCT05620433

Joint Effort 2.0: a Mobile Application With University Students

Joint Effort, a Mobile Prevention and Harm Reduction Application

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 354 (actual)
• Sponsor: Centre hospitalier de l'Université de Montréal (CHUM) · Academic / Other
• Sex: All
• Age: 18 Years – 35 Years
• Healthy volunteers: Accepted

Summary

The purpose of this study is to evaluate quantitatively and qualitatively a mobile application, Joint Effort, targeting safe cannabis use among consumers. This randomized controlled trial is currently conducted on the Joint Effort mobile application.

Detailed description

This online randomized controlled trial with parallel groups is conducted in Quebec (Canada). Interested participants are invited to visit the study's website at www.etudejointeeffort.ca The study's Website contains text explaining the study. After accepting the conditions and consenting, participants will enroll in the study by providing an email address and a pseudonym. Each participant will be validated through an email address check. After their enrolment, participants will receive a hyperlink via email to invite them to complete a baseline questionnaire. After completing the baseline questionnaire, participants will be randomly assigned by the computer system either to an experimental group (Joint Effort mobile application) or to a control group (brief normative feedback and standard information). Four weeks and eight weeks after the baseline questionnaire, participants will complete the online questionnaires again.

Conditions

• Cannabis Use
• Cannabis
• Cannabis Dependence
• Cannabis Smoking
• Cannabis Use, Unspecified

Interventions

Type	Name	Description
OTHER	Joint Effort	The Joint Effort intervention is available in the form of an iPhone mobile application (running on iOS 13 and higher) in French language. It aims to support young adults in school who have used cannabis in the past month into taking action on their cannabis use.
OTHER	Brief normative feedback and standard information	The brief normative feedback is based on the frequency of cannabis use. Participants will also be offered basic reliable non-personalized information on lower-risk cannabis use in the form of official public websites.

Timeline

• Start date: 2023-02-08
• Primary completion: 2024-11-28
• Completion: 2024-11-28
• First posted: 2022-11-17
• Last updated: 2025-03-12

Locations

1 site across 1 country: Canada