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Expectations of How Acute Cannabis Use Affects Gambling Experiences and Behaviors

E. Halle Smith, Abby McPhail, Marcos Lerma, Rory Pfund, James Whelan

Cannabis March 18, 2024 DOI: 10.26828/cannabis/2024/000231 (opens in new tab)

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Study at a glance

AI-extracted from the abstract
Characteristics Cross-sectional survey Peer reviewed
Sample size 472
Population Adults who gambled weekly, recruited from Amazon Mechanical Turk
Topics Cannabis
Key findings Among weekly gamblers, most of whom screened positive for problem gambling, participants held both positive and negative expectations about gambling under the influence of cannabis. Negative cannabis expectancies were associated with more severe cannabis consumption, and both positive and negative expectancies were associated with gambling problems and time spent gambling under the influence.

Abstract

Emerging research shows that many individuals commonly consume cannabis while gambling. However, individuals’ expectations for how cannabis consumption will impact their gambling behavior remain unknown. Participants who gambled weekly (N = 472) were recruited from Amazon Mechanical Turk and completed assessments of gambling behaviors, cannabis consumption, and expectations about the influence of cannabis on gambling. Almost all participants (94%) screened positive for problem gambling. Over half of participants (55%) reported lifetime cannabis consumption, and almost all those participants (99%) reported gambling under the influence of cannabis (GUIC) in the past month. Most participants agreed with positive expectations of gambling; they expected that they would feel calmer when under the influence of cannabis (61.4%), that gambling would be more enjoyable (61.0%), and that their gambling skills would increase when GUIC (60.6%). At the same time, most participants also agreed with negative expectations of GUIC. They expected cannabis use would make them more careless (56.4%), more anxious (54.8%), and less able to concentrate (53.7%) while gambling. Negative cannabis expectancies were significantly associated with the severity of cannabis consumption. Both positive and negative cannabis expectancies were significantly associated with gambling problems and time spent gambling under the influence of cannabis. These findings indicate that expectations may influence the decision to consume cannabis and gamble simultaneously. This study contributes to the need for addressing cannabis expectations during treatment of gambling problems.

Comparable studies

Other cross-sectional and survey studies on cannabis, most cited first.

Study Year Design Participants
Cannabis use before age 15 and subsequent executive functioning 104 chronic cannabis users (49 early-onset before age 15, 55 late-onset after age 15)... 2011 Observational cross-sectional study n = 148
Patterns of simultaneous polysubstance use in drug using university students Drug-using university students 2006 Cross-sectional survey n = 149
Persisting Reductions in Cannabis, Opioid, and Stimulant Misuse After Naturalistic Psychedelic Use: An Online Survey Online survey respondents 2020 Cross-sectional survey
User perceptions of the benefits and harms of hallucinogenic drug use: A web-based questionnaire study Users of hallucinogenic drugs who completed a web-based questionnaire 2010 Cross-sectional survey n = 600
Illicit Use of LSD or Psilocybin, but not MDMA or Nonpsychedelic Drugs, is Associated with Mystical Experiences in a Dose-Dependent Manner Adults recruited from the MAPS website and newsletter, most reporting use of various... 2012 Cross-sectional survey n = 337

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