The 7% pay gap comes down to speed, experience and preferences on when to drive, according to the study. I wonder if women are less likely to become Uber drivers and less likely to continue driving because they don't feel safe? There are plenty of experiences shared by Uber and Lyft female drivers of being sexually harassed and propositioned: https://www.forbes.com/sites/ellenhuet/2015/04/09/female-ube... I think it's the sort of discrimination that could lead to having less experience + a preference to drive during the day rather than at night and could be measured by a correlation between driver complaints and attrition rate by gender.