Using data from a general-population telephone survey conducted from July 2002 through June2005 (n=6259), the current study assessed gender as a potential moderator of the relationshipbetween self-reported driver aggression and various demographic variables, general and drivingrelatedrisk factors. The initial analysis was a hierarchical-entry regression examining selfreporteddriver aggression in the last 12 months. All demographic and risk-factor variables wereentered in the first block, and all two-way interactions with gender were entered stepwise in thesecond block. A subsequent analysis divided the sample by gender and conducted logisticregressions with main effects only for males (n=2921) and females (n=3338) separately.Although the prevalence of driver aggression in the current sample was slightly higher amongmales (38.5%) than females (32.9%), the difference was small, and gender did not enter as asignificant predictor of driver aggression in the overall logistic regression. Gender was found tomoderate the relationships between driver aggression and only three variables: income,psychological distress, and driving exposure. Separate analyses on the male and female subsamplesalso found differences in the predictive value of income and driving exposure; however,the difference for psychological distress could not be detected using this separate regressionapproach. The secondary analysis also identified slight differences in the predictive value of fourof the risk factors, where the odds ratios for both males and females were in the same directionbut only one of the two was statistically significant. Thus, with few exceptions, factors that werepredictive of driver aggression were generally the same for both male and female drivers.
展开▼
