Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial

Background and aims: Given the widespread use of cannabis, and the concomitant risks associated with the drug, there is a need to increase the availability of interventions designed to reduce risky cannabis use. One promising intervention in the addictions employs personalized normative feedback to...

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Autores principales:	John A. Cunningham, Christina Schell, Nicolas Bertholet, Jeffrey D. Wardell, Lena C. Quilty, Branka Agic, Alexandra Godinho
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Cannabis Marijuana Online intervention Personalized normative feedback Randomized controlled trial Information technology T58.5-58.64 Psychology BF1-990
Acceso en línea:	https://doaj.org/article/fcb59512b52c4817a86bbdd64aab89de
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spelling	oai:doaj.org-article:fcb59512b52c4817a86bbdd64aab89de2021-11-18T04:49:07ZOnline personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial2214-782910.1016/j.invent.2021.100484https://doaj.org/article/fcb59512b52c4817a86bbdd64aab89de2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S221478292100124Xhttps://doaj.org/toc/2214-7829Background and aims: Given the widespread use of cannabis, and the concomitant risks associated with the drug, there is a need to increase the availability of interventions designed to reduce risky cannabis use. One promising intervention in the addictions employs personalized normative feedback to motivate change. Methods: A two-arm randomized controlled trial (RCT) was conducted in which participants who used cannabis in a risky fashion were randomly assigned to one of two groups – those who received an online personalized feedback report in addition to educational materials about risky cannabis use and those who just received the online educational materials. Follow-up assessment occurred at three- and six-months post-randomization. Outcome variables included: number of days cannabis was used in the past 30, risky cannabis use (ASSIST score of four or more), and participant estimates of the proportion of cannabis users among those of the same age and gender. Results: A total of 744 participants with risky cannabis use were recruited for the trial using online advertisements. There were no significant differences between intervention and educational materials only groups at three- and six-month follow-ups for the outcome variables, number of days used cannabis in the last 30 (p = 0.927) and proportion of participants engaging in risky cannabis use (p = 0.557). At three and six month follow-ups, participants who received the feedback intervention were more likely than those in the educational materials group to estimate that a larger proportion of people their age and gender did not use cannabis in the last year (p = 0.028). Discussion and conclusion: While there was some evidence that the personalized feedback intervention modified normative perceptions about cannabis use, there did not appear to be support for the prediction that the intervention reduced cannabis consumption.John A. CunninghamChristina SchellNicolas BertholetJeffrey D. WardellLena C. QuiltyBranka AgicAlexandra GodinhoElsevierarticleCannabisMarijuanaOnline interventionPersonalized normative feedbackRandomized controlled trialInformation technologyT58.5-58.64PsychologyBF1-990ENInternet Interventions, Vol 26, Iss , Pp 100484- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cannabis Marijuana Online intervention Personalized normative feedback Randomized controlled trial Information technology T58.5-58.64 Psychology BF1-990
spellingShingle	Cannabis Marijuana Online intervention Personalized normative feedback Randomized controlled trial Information technology T58.5-58.64 Psychology BF1-990 John A. Cunningham Christina Schell Nicolas Bertholet Jeffrey D. Wardell Lena C. Quilty Branka Agic Alexandra Godinho Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
description	Background and aims: Given the widespread use of cannabis, and the concomitant risks associated with the drug, there is a need to increase the availability of interventions designed to reduce risky cannabis use. One promising intervention in the addictions employs personalized normative feedback to motivate change. Methods: A two-arm randomized controlled trial (RCT) was conducted in which participants who used cannabis in a risky fashion were randomly assigned to one of two groups – those who received an online personalized feedback report in addition to educational materials about risky cannabis use and those who just received the online educational materials. Follow-up assessment occurred at three- and six-months post-randomization. Outcome variables included: number of days cannabis was used in the past 30, risky cannabis use (ASSIST score of four or more), and participant estimates of the proportion of cannabis users among those of the same age and gender. Results: A total of 744 participants with risky cannabis use were recruited for the trial using online advertisements. There were no significant differences between intervention and educational materials only groups at three- and six-month follow-ups for the outcome variables, number of days used cannabis in the last 30 (p = 0.927) and proportion of participants engaging in risky cannabis use (p = 0.557). At three and six month follow-ups, participants who received the feedback intervention were more likely than those in the educational materials group to estimate that a larger proportion of people their age and gender did not use cannabis in the last year (p = 0.028). Discussion and conclusion: While there was some evidence that the personalized feedback intervention modified normative perceptions about cannabis use, there did not appear to be support for the prediction that the intervention reduced cannabis consumption.
format	article
author	John A. Cunningham Christina Schell Nicolas Bertholet Jeffrey D. Wardell Lena C. Quilty Branka Agic Alexandra Godinho
author_facet	John A. Cunningham Christina Schell Nicolas Bertholet Jeffrey D. Wardell Lena C. Quilty Branka Agic Alexandra Godinho
author_sort	John A. Cunningham
title	Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
title_short	Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
title_full	Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
title_fullStr	Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
title_full_unstemmed	Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial
title_sort	online personalized feedback intervention to reduce risky cannabis use. randomized controlled trial
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/fcb59512b52c4817a86bbdd64aab89de
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Online personalized feedback intervention to reduce risky cannabis use. Randomized controlled trial

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