New research findings from a study of 634 couples found that the more often they smoked marijuana, the less likely they were to engage in domestic violence.
The study, conducted by researchers in the University at Buffalo School of Public Health and Health Professions and Research Institute on Addictions (RIA), appeared in the online edition of Psychology of Addictive Behaviors in August.
The study attempted to clarify inconsistent findings about domestic violence among pot-smoking couples that primarily has been based on cross-sectional data (i.e., data from one point in time). Looking at couples over the first nine years of marriage, the study found:
- More frequent marijuana use by husbands and wives (two-to-three times per month or more often) predicted less frequent intimate partner violence (IPV) perpetration by husbands.
- Husbands’ marijuana use also predicted less frequent IPV perpetration by wives.
- Couples in which both spouses used marijuana frequently reported the least frequent IPV perpetration.
- The relationship between marijuana use and reduced partner violence was most evident among women who did not have histories of prior antisocial behavior.
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