There are other papers showing the same sort of pattern elsewhere. For example, you can see one cited in that paper within the introductory paragraphs.
As the commenter upthread noted, the adult demographic is more weighted towards men who want to be women. Why would childhood referrals have become shifted in the opposite direction, much more towards girls who want to be boys?
As the commenter upthread noted, the adult demographic is more weighted towards men who want to be women. Why would childhood referrals have become shifted in the opposite direction, much more towards girls who want to be boys?