Some universities chose to report an interval instead of exact numbers, such as “fewer than five”. When adding up the total numbers, we have chosen the smallest number in that interval for each university.
For Oxford, both the central administration and separate colleges reported numbers. To avoid double counting, the numbers represented in the table are central administration only.
When asked whether the university had a policy regarding relationships between students and staff some universities provided us with a general policy, those are marked General in the table.