Drinking less on cannabis use days: The moderating role of UPPS-P impulsive personality traits.
Drinking less on cannabis use days: The moderating role of UPPS-P impulsive personality traits.
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DOI：
10.1037/adb0000727
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发表时间：
2021-09
期刊：
影响因子：
--
通讯作者：
Metrik J
中科院分区：
文献类型：
--
作者：
Waddell JT;Gunn RL;Corbin WR;Borsari B;Metrik J
一些研究表明，酒精和大麻的共同使用者是更酗酒的人，也会经历更多与酒精相关的后果。然而，共同使用和饮酒水平之间在一天一级的联系是复杂的。一个原因可能是，个体特征缓和了单独饮酒或与大麻一起使用的日常影响。理论可能表明，高度冲动的人可能会在共同使用的日子里喝更多的酒，但这一断言仍未得到检验。因此，目前的研究测试了冲动是否会缓和退伍军人中共同使用对当天饮酒量的影响，这是物质使用和冲动的高危样本。在一项纵向观察性研究中，共用退伍军人(N=139)完成了三次半年度评估，通过Timeline Followback(观察值=19,245)和UPPS-P报告了他们每天的饮酒量和大麻使用情况。混合效应模型被用来检验这样的假设：对于积极和消极紧迫感高(但不是低)的人来说，共同使用(与只喝酒相比)的天数将与更多的饮酒相关。积极紧迫感(PU)和缺乏毅力(LP)的显著交互作用被发现，即PU和LP水平平均和低水平的人在联合使用(与仅饮酒相比)时饮酒较少。UPPS-P的其他冲动性方面没有显著的交互作用。研究结果与个人在平均水平和低水平的UPPS-P方面的替代/补偿效应是一致的，可能是退伍军人频繁使用大麻的副产品。相比之下，研究结果表明，对于高度冲动的人来说，共同使用和只饮酒的日子可能具有类似的高饮酒水平。
Several studies suggest that alcohol and cannabis co-users are heavier drinkers and experience more alcohol-related consequences. However, day-level associations between co-use and drinking levels are mixed. One reason may be that individual characteristics moderate the daily impact of using alcohol alone or in conjunction with cannabis. Theory would suggest that highly impulsive individuals may drink more on co-use days, yet this assertion remains untested. Therefore, the current study tested whether impulsivity moderated the effect of co-use on same-day drinking quantity within veterans, a high-risk sample for substance use and impulsivity. In a longitudinal observational study, co-using veterans (N=139) completed three semi-annual assessments reporting on their daily drinking quantity and cannabis use via Timeline Followback (Observations=19,245) and impulsivity via the UPPS-P. Mixed effect modeling was used to test hypotheses that co-use (compared to alcohol-only) days would be associated with heavier drinking for those high (but not low) in positive and negative urgency. Significant interactions were found for positive urgency (PU) and lack of perseverance (LP), such that individuals at mean and low levels of PU and LP drank less on co-use (compared to alcohol-only) days. There were no significant interactions for other UPPS-P impulsivity facets. Findings are consistent with a substitution/compensatory effect for individuals at mean and low levels of both UPPS-P facets, and may be a byproduct of frequent cannabis use in veterans. In contrast, findings suggest that co-use and alcohol-only days may be characterized by similarly high levels of drinking for highly impulsive individuals.
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