I love the, "obviously this applies to men too" disclaimer.
Maybe you could think about this, maybe less men come forward because they are too ashamed to admit they are being abused?
Abuse is not just about a physically stronger man hitting a woman.
A well chosen word can cut far deeper than any blow, I suspect that many people are being abused without even knowing it. Their family can see it, or suspect it but feel unable to help.
I am not prepared to admit where this sick 'joke' comes from but I have heard the words, "She walks into doors a lot" used to describe a person who is suffering abuse. Meaning that many people are too ashamed to admit they have, made a mistake? Allowed themselves to be conned/abused? And will try and cover the problem up rather than look for help.
Domestic abuse is a difficult one for the Police, trying to prosecute is a long winded process and pretty futile without the main witness who is likely to be the abused. Who, under the influence of the abuser may withdraw their statements.
Surely just the fact that you feel it is necessary to check up on your partner should make you wary of having anything to do with the person?