i thought 65% for women seemed absurdly low but then there's this bit

One of the other issues was getting study participants to accurately identify harassment. Public, sexual harassment is so normal that harassees do not always mentally flag their experiences as something serious, unless physically aggressive harassment is involved.

“Some people would say, ‘I was only harassed once,’ and would recount a physical experience, but as the conversation continued, there were verbal experiences that came up,” Kearl said.

decent discussion on metafilter http://www.metafilter.com/139648/stop-street-harassment