The majority of the sample met the criteria for gender dysphoria as listed in the DSM. Gender non-conforming behavior is just one criterion, multiple of which need to be met to categorized as gender dysphoric. This is the same set of criteria that a medical professional would use to approve a patient for puberty blockers.
The predominant approach back then was not to suppress incongruent gender identity. The approach was to take a neutral stance and neither foster not suppress the patient's gender identity, called "watchful waiting".
The predominant approach back then was not to suppress incongruent gender identity. The approach was to take a neutral stance and neither foster not suppress the patient's gender identity, called "watchful waiting".