Dyadic cannabis use, alcohol use and relationship satisfaction: A daily diary study

IF 3.9 2区医学 Q1 PSYCHIATRY Drug and alcohol dependence Pub Date : 2024-10-18 DOI:10.1016/j.drugalcdep.2024.112466

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Abstract

Objective

Intimate relationships are important contexts for understanding individuals’ substance use patterns and trajectories. Using a dyadic daily diary design reporting over 14 consecutive days, the present study examined the association between cannabis use, alcohol use, and momentary relationship satisfaction among adult couples

Method

Eligible individuals on Prolific were invited to participate. We identified 33 couples where both partners participated. Participants completed a baseline survey and a 14-day daily diary study assessing their daily cannabis use, alcohol use, and relationship satisfaction. Multilevel modeling was used, within an Actor-Partner Interdependence Model (APIM), to evaluate the individual and interactive effects of one’s own use and their partner’s use on relationship satisfaction

Results

Significant actor and partner effects of alcohol and cannabis use were found using both baseline and daily report data. For individuals who use cannabis more heavily among sampled couples, cannabis and alcohol co-use was associated with reduction in their own next-day relationship satisfaction while alcohol-only use was significantly associated with increased next-day satisfaction. There were no significant effects of one’s own or their partner’s effects for individuals who use cannabis more lightly.

Conclusions

Findings replicate and extend prior research by demonstrating the dynamic nature of dyadic substance use and highlighting the unique impact of alcohol and cannabis co-use on daily relationship functioning.

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双人大麻使用、酒精使用和关系满意度：每日日记研究。

目的：亲密关系是了解个人药物使用模式和轨迹的重要背景。本研究采用连续 14 天的每日日记设计，考察了成年夫妇中大麻使用、酒精使用和瞬间关系满意度之间的关联。方法：我们邀请 Prolific 网站上符合条件的个人参与研究。我们确定了 33 对伴侣都参与其中的情侣。参与者完成了基线调查和为期 14 天的每日日记研究，评估他们的日常大麻使用、酒精使用和关系满意度。在行为者-伴侣相互依赖模型（APIM）中使用了多层次模型，以评估自己和伴侣使用大麻对关系满意度的个体和交互影响结果：使用基线和每日报告数据发现，使用酒精和大麻对行为者和伴侣有显著影响。对于抽样夫妇中大麻使用较多的人来说，大麻和酒精的共同使用与他们自己次日关系满意度的降低有关，而只使用酒精则与次日满意度的提高有显著关系。对于大麻使用较少的人来说，自己或伴侣的影响都不明显：研究结果重复并扩展了之前的研究，证明了伴侣间药物使用的动态性质，并强调了共同使用酒精和大麻对日常关系运作的独特影响。

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来源期刊

Drug and alcohol dependence 医学-精神病学

CiteScore

7.40

自引率

7.10%

发文量

409

审稿时长

41 days

期刊介绍： Drug and Alcohol Dependence is an international journal devoted to publishing original research, scholarly reviews, commentaries, and policy analyses in the area of drug, alcohol and tobacco use and dependence. Articles range from studies of the chemistry of substances of abuse, their actions at molecular and cellular sites, in vitro and in vivo investigations of their biochemical, pharmacological and behavioural actions, laboratory-based and clinical research in humans, substance abuse treatment and prevention research, and studies employing methods from epidemiology, sociology, and economics.