Fathers or father surrogates were 62 percent of the perpetrators. Almost all of the victims knew the perpetrators, who were in 97 percent of the cases male. Fondling from the waist down was the most common form of abuse. Intercourse took place in 44 percent of the cases. The percentage of intercourse was higher than had been expected, but less than half the subjects experienced intercourse as part of their molestation. A small number of female molesters was reported. All the adults in this group were seeking therapy for past sexual abuse, which can be traumatic even when it is not violent. 2 tables and 14 references. (Author abstract modified)