Department of Psychology and Brain Sciences, The George Washington University, Washington, DC.
Silver School of Social Work, New York University, NY, USA.
Subst Use Misuse. 2023;58(12):1483-1492. doi: 10.1080/10826084.2023.2223284. Epub 2023 Jun 23.
This study tested how individuals anticipate they will respond to opportunities to engage in simultaneous alcohol and marijuana (SAM) use.
Two studies utilizing a within-subjects design were conducted. Study 1 was conducted in Spring 2021 and a replication (Study 2) was conducted in Fall 2021. Participants were presented with pairs of scenarios. One scenario pair compared how willing participants expected to be to get drunk if they were sober high. Another pair compared how willing participants would be to take a hit of marijuana if they were sober drunk. College attending young adults (Study 1: = 173; female = 81%; Study 2: 212; female = 49.1%) with varying degrees of substance use experience were recruited.
In Study 1 participants reported greater willingness to get drunk when sober than when high. This was qualified by a statistically significant interaction whereby differences were greater among those who had more experience with past 30-day heavy drinking. Similar findings emerged for willingness to use marijuana. Participants anticipated greater willingness to use marijuana when sober than when drunk. This was also qualified by a statistically significant interaction whereby differences were greater among experimental or established users of marijuana than among abstainers. Study 2 findings replicated those from Study 1.
College attending young adults state greater willingness to remain under the influence of one substance than to engage in SAM use when opportunities arise. Simultaneous use of alcohol and marijuana among college students is likely an exception, not the rule. Implications for prevention are discussed.
本研究旨在测试个体如何预期自己对同时摄入酒精和大麻（SAM）的机会做出反应。
本研究采用了两项基于被试内设计的研究。第一项研究于 2021 年春季进行，第二项研究（研究 2）于同年秋季进行。研究参与者被呈现了一对对的场景。一组场景比较了参与者在清醒和高浓度大麻状态下，对醉酒的意愿程度。另一组场景比较了参与者在清醒和醉酒状态下，对吸食大麻的意愿程度。研究招募了有不同程度物质使用经验的在校大学生（研究 1：n=173；女性=81%；研究 2：n=212；女性=49.1%）。
在研究 1 中，参与者报告说，在清醒时比在高浓度大麻状态下更愿意醉酒。这一结果受到了一个统计学上显著的交互作用的限制，即过去 30 天内重度饮酒经验较多的参与者之间的差异更大。对于使用大麻的意愿也出现了类似的发现。参与者预期在清醒时比在醉酒时更愿意使用大麻。这也受到了一个统计学上显著的交互作用的限制，即实验性或习惯性使用大麻的参与者与禁欲者之间的差异更大。研究 2 的发现与研究 1 的结果一致。
在校大学生表示，当机会出现时，他们更愿意保持一种物质的影响，而不是同时摄入酒精和大麻。大学生中同时使用酒精和大麻可能是例外，而不是常规情况。讨论了预防的影响。
