Joint Effort 2.0 : Evaluation Among General Population

Condition(s) studied

Investigational drug(s) / intervention(s)

Joint Effort: The Joint Effort intervention is available as an iPhone mobile application in French language. It aims to support cannabis users to take action upon their cannabis use.

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.

Study summary

This study aims to evaluate a mobile app designed to promote the safe use of cannabis among adult users in Quebec.

Eligibility

Primary outcome measure(s)

• Protective Behavioral Strategies for Marijuana — Baseline, 2-weeks, 4-weeks
  Adoption of Protective Behavioral Strategies; measured with the Protective Behavioral Strategies for Marijuana scale (PBSM-17). The French version of the questionnaire translated by Côté et al. (2021) will be used. The 17 items each represent a behavioral protection strategy. They are measured in terms of frequency of use on a six-point Likert-type scale (never, rarely, occasionally, sometimes, often and always). The total score of the PBSM-17 is obtained by calculating the total score of each item and then converting this raw score into a standardized form (T-score) ranging from 15 to 73. The lower the total score, the lesser the use of PBS.

Trial sites (1)

More Centre hospitalier de l'Université de Montréal (CHUM) trials in Canada

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