"A Study of Stairway Falls Says Lots About Gender Differences
Women in their 20s fall on stairs 80% more often than men."

"When women are talking to a friend while walking, they tend to stand closer to each other than men do, and they might make more eye-to-eye contact when talking rather than looking ahead."

https://www.psychologytoday.com/us/blog/as-you-like-it/202308/a-study-of-stairway-falls-says-lots-about-gender-differences