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Marijuana Use Episodes and Partner Intimacy Experiences: A Daily Report Study
Maria Testa1, Weijun Wang1, Jaye L Derrick2
1University at Buffalo.
Cannabis (Albuquerque, N.M.)
|March 30, 2019
Summary
Couples who use marijuana together report increased intimacy. These positive effects on relationship functioning are strongest when partners use marijuana in each other's presence, reinforcing shared use.
Area of Science:
- Psychology
- Sociology
- Cannabis Research
Background:
- Marijuana use is often associated with negative relationship outcomes.
- Emerging research suggests potential positive effects of marijuana on relationships, particularly when used concordantly by couples.
Purpose of the Study:
- To investigate the temporal association between marijuana use episodes and intimate experiences in couples.
- To examine how simultaneous and solo marijuana use impacts couple intimacy.
Main Methods:
- Utilized a sample of 183 heterosexual, frequent marijuana-using couples.
- Employed multilevel modeling within an Actor Partner Interdependence Model (APIM) framework.
- Analyzed daily reports of marijuana use and intimacy over 30 consecutive days.
Main Results:
- Simultaneous marijuana use by both partners significantly increased the likelihood of intimate experiences.
- Both simultaneous and solo marijuana use positively affected male and female reports of intimacy.
- Positive effects on intimacy were observed only when marijuana use occurred in the partner's presence.
Conclusions:
- Concordant marijuana use, especially when partners are together, may enhance couple intimacy.
- These findings suggest a mechanism for the positive association between shared substance use and relationship functioning.
- Couple-based marijuana use may be reinforced by its positive impact on intimacy.
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