Some 28% of women working for colleges believe they have been passed over for a promotion because of their gender, according to new survey data from Gallup.

A gap in opportunities exists beyond promotion, according to the Gallup survey, which includes responses from 10,594 faculty and staff members.

Only 23% of female respondents strongly agreed they have the same opportunities for advancement as coworkers with similar experience and past performance. Roughly one in three men strongly agreed with the same statement.