If women cheat mostly for emotional reasons, and men mostly for non-emotional reasons, then who are they cheating with? Are we to assume that women cheat only with single men who are emotionally available? Are is it simply the case that a cheating woman interprets sexual interest as emotional support, while men interpret emotional need as sexual need? I suppose two people see the same thing as satisfying very different needs?
I think this cliched "surveys" are largely bunk. One of the recent best selling book authors on Oprah, "Why Men Cheat", I think was the title, by Gary Neumann, says only a small percentage of men cheat for sexual reasons. Most men, according to that author, cheat for emotional reasons, to be accepted, admired, and listened to.
So there you go. Totally different answers from quotable sources.