Gender differences in the frequency of aggression in dreams: A meta-analysis.

Abstract

Although some studies have indicated notable gender differences in the frequency of aggressive dreams, heterogeneous results have also been reported, and this difference has not yet been explored systematically. We investigated the gender differences in the frequency of aggressive dreams by performing a meta-analysis of existing articles following the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines. Finally, 12 eligible studies (14 databases) that included 3,294 (men ϭ 1,522, women ϭ 1,772) participants were identified. The pooled estimate of the odds ratio (OR) was 1.